She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Sales Executive

Salary

$100K + Commission

Company Description

AI-focused engineering solutions provider

Job Description

As the first Senior Sales Executive, you will own the client acquisition strategy for high-value regulated sectors including financial services and life sciences. You will leverage your existing network to sell high-impact outcomes like AI governance and secure data integration, bridging the gap between innovation ambitions and strict compliance requirements.

Location

Remote, USA

Why this role is remarkable

• First commercial hire outside the CEO, offering genuine ownership and the chance to build a growth engine from the ground up.
• Work with a profitable, established firm that has already scaled to $5M+ through founder-led sales and possesses strong operational infrastructure.
• Sell high-demand, high-value outcomes in AI governance and secure data integration to cash-rich, regulated industries like wealth management and pharma.

What you will do

• Leverage an existing network of technology and innovation decision-makers at financial institutions and life sciences organizations to generate conversations.
• Design and execute signal-based outreach strategies targeting firms facing AI adoption pressure but limited by internal IT constraints and regulatory frameworks.
• Manage the full sales cycle from initial contact to closing complex, trust-based B2B deals, remaining the senior escalation point for long-term partnerships.

The ideal candidate

• 10-15 years of experience in senior commercial roles within or adjacent to financial services or life sciences, with an active network of CTOs and COOs.
• Deep understanding of regulatory frameworks such as HIPAA, SEC, FINRA, and 21 CFR Part 11 to speak credibly with compliance-focused leaders.
• Proven track record of closing complex B2B services deals and the ability to operate as a lean, self-directed hunter in an early-stage environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Contractor Developer (AI & BI)

Salary

Not Disclosed

Company Description

Leading operational food-tech platform

Job Description

Lead the AI transformation and end-to-end business intelligence for a large-scale operational business. As the first technical hire, you will build data pipelines, warehousing, and dashboards from scratch while integrating LLMs and automation tools into physical operations. This role directly impacts efficiency across multiple business lines and locations, providing a foundational capability for the entire organization.

Location

London, UK

Why this role is remarkable

• Join a high-growth business part of a larger industrial AI group that is preparing for a major public market debut.
• True greenfield opportunity as the first technical hire, building the entire data and AI infrastructure from the ground up.
• Unique challenge of bridging the gap between digital AI tools and complex, multi-site physical operations at scale.

What you will do

• Design and implement a robust BI infrastructure, including data pipelines, warehousing, and real-time dashboards for over 25 locations.
• Integrate LLM-powered workflows and automation tools to drive labor efficiency and financial decision-making across the organization.
• Partner directly with finance and operations leadership to build custom AI and data products that serve multiple expanding business lines.

The ideal candidate

• Proven experience building end-to-end data pipelines and BI infrastructure in an operational or logistics-heavy environment.
• Strong technical background in AI integration, specifically with LLMs and workflow automation tools to solve real-world problems.
• Entrepreneurial mindset with the ability to act as a solo technical lead and navigate complex, physical-world operational challenges.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

People Operations

Salary

£50k-£60k + Equity

Company Description

Scarlet is a Creandum-backed healthtech startup based in London that serves as Europe's only Notified Body specializing in AI and software medical device certification. By automating regulatory approvals for the world's most ambitious medical technology companies, Scarlet ensures patients receive life-saving, future-focused medical devices without unnecessary delays.

Job Description

As a People Operations specialist at Scarlet, you will move beyond traditional HR to build the technical engine of a scaling healthtech leader. You will own and optimize the internal systems—including Ashby, Rippling, and Deel—designing AI-powered workflows and automated processes to support a rapidly growing global team of high performers.

Location

London, UK

Why this role is remarkable

• Join Europe's only Notified Body specializing in AI medical devices, a mission-driven company authorized by governments to pull medical technology from the future.
• Work in a high-growth environment backed by Creandum and Entrepreneur First, featuring product-market fit, exponentially growing revenue, and a team of 65 scaling fast.
• Gain unparalleled ownership over global people systems, moving from theory to execution as you build the infrastructure for an international, high-performing organization.

What you will do

• Act as the super-user for Scarlet's ATS and HRIS (Ashby, Rippling, and Deel), building AI-integrated workflows and automations that make foundational data systematic.
• Empower hiring managers globally by creating the tooling, templates, and scheduling frameworks required to source and hire top-tier talent at a rapid pace.
• Design and execute world-class onboarding journeys, managing employee contracting, EOR relationships, and multi-jurisdictional payroll to ensure every new teammate is productive from day one.

The ideal candidate

• Has 1-3 years of experience in operations or startup environments, demonstrating a first-principles approach and a hunger for high-stakes ownership in a fast-growth setting.
• Possesses a "builder" mindset rather than a traditional HR background, instinctively reaching for LLMs and AI automation tools to solve complex business operations.
• Demonstrates exceptional communication skills and experience with modern HR tools like Ashby or Deel, particularly within multi-jurisdictional or high-growth startup contexts.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

TikTok Creative/Videographer

Salary

£30k-£55k

Company Description

Creative sports media production studio

Job Description

Lead the end-to-end creation of social-first content for one of the world's most iconic sports properties. You will shoot and edit 9:16 video for TikTok, Reels, and Shorts, engaging a global youth audience. This role involves capturing live game moments, reacting to culture, and delivering high-energy content at pace.

Location

London, UK

Why this role is remarkable

• Create content for one of the biggest names in global professional sports from day one.
• Enjoy genuine creative freedom where your ideas go live without complex layers of approval.
• Join a tech-enabled media group with a global creator network and proprietary content technology.

What you will do

• Shoot high-quality content on location at major games and events, capturing the culture around the sport.
• Edit 9:16 content for TikTok, Reels, and Shorts with a focus on quick turnarounds and same-day delivery.
• Identify emerging social trends and formats to proactively pitch content ideas that engage fans aged 14-25.

The ideal candidate

• Proven experience owning social-first video production end-to-end, with a portfolio of 9:16 TikTok-native work.
• Expert editing skills using tools like CapCut or Premiere, with a flair for captions, sound design, and pacing.
• Deep understanding of youth culture and a passion for sports, particularly the lifestyle and community surrounding basketball.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Security Engineer

Salary

£70k-£110k + Equity

Company Description

StackOne is a $24M Series B AI integration gateway backed by GV and Workday Ventures. Based in London, they provide a unified API that allows SaaS platforms and AI agents to orchestrate hundreds of enterprise-grade integrations securely through real-time architecture, managed authentication, and end-to-end observability.

Job Description

As the first dedicated Security Engineer at StackOne, you will own the cloud and product security posture end-to-end. Reporting to the CTO, you will build security tooling in TypeScript/Python, harden AWS/Cloudflare infrastructure, and threat-model features handling complex OAuth flows. You’ll enable engineers by automating security directly into the SDLC.

Location

London, UK

Why this role is remarkable

• First security hire opportunity: Define the security architecture and strategy from the ground up for a high-growth AI infrastructure startup.
• High-caliber backing: Supported by top-tier investors like GV and Workday Ventures with $24M raised to scale the future of agentic integrations.
• Builder-centric culture: This is a hands-on DevSecOps role where you ship production code and tooling rather than just managing GRC checklists.

What you will do

• Own the secure SDLC by driving SAST, dependency scanning, and secrets detection standards across all repositories and CI/CD pipelines.
• Harden the AWS and Cloudflare estate using zero-trust patterns, network segmentation, and advanced IAM/KMS configurations for multi-tenant environments.
• Threat-model new product features, connector executions, and agent tool-calling paths to ensure robust security for complex authentication and OAuth flows.

The ideal candidate

• 3+ years of security engineering experience with deep hands-on expertise in AWS security services like GuardDuty, Security Hub, and KMS.
• Proficiency in shipping production-grade code using TypeScript, Python, or Go, with a strong background in Infrastructure as Code (CDK or Terraform).
• Solid understanding of application security, including OWASP Top 10, threat modeling, and securing B2B SaaS multi-tenant environments at scale.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Clinical Evaluation Specialist

Salary

£75k-£90k + Equity

Company Description

Well-funded healthtech SaaS startup

Job Description

You will play a pivotal role in evaluating clinical evidence for next-generation medical software seeking market entry. By bridging the gap between clinical data and technical risk, you’ll ensure that innovative healthcare technologies meet safety standards. This role offers the unique opportunity to influence how frontier medical software reaches patients globally.

Location

London, UK

Why this role is remarkable

• Join a team at the forefront of digital health innovation, working at the intersection of medicine and advanced software.
• Well-funded and backed by top-tier VCs, providing a stable yet high-growth environment in a rapidly evolving sector.
• Shape the future of healthcare by defining how software-driven medical technologies are validated and deployed at scale.

What you will do

• Critically evaluate clinical evidence and data reports for high-impact medical software submissions and documentation.
• Collaborate with multidisciplinary teams including engineering and product to optimize internal assessment processes and systems.
• Provide expert clinical insights to internal stakeholders to support global market access strategies and regulatory compliance.

The ideal candidate

• Professional background in healthcare with direct patient care experience and a relevant clinical degree.
• Proven track record in evaluating clinical data specifically for medical technologies or software-driven health solutions.
• Strong analytical mindset with the ability to interpret complex research methodologies and technical documentation with precision.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Account Executive – UK & EU

Salary

Not Disclosed + Equity

Company Description

StackOne is a $24M raised integration infrastructure provider for AI agents, backed by GV and Workday Ventures. Based in London, the company enables AI agents to take real actions across enterprise stacks through 430+ connectors and semantic tool discovery, serving a global market of AI-native startups and SaaS platforms.

Job Description

As an Account Executive at StackOne, you will own the UK and EU territory, driving revenue growth for a category-defining AI integration platform. You’ll manage full-cycle sales from inbound leads to complex outbound deals, selling highly technical API-first solutions to engineers and CTOs while collaborating directly with the founding team.

Location

London, UK

Why this role is remarkable

• Build the future of agentic integrations at a GV-backed startup that has already raised $24M from top-tier enterprise investors like Workday Ventures.
• Own a high-momentum territory with existing customers and brand recognition, operating with significant autonomy and direct access to the CEO and founding team.
• Work alongside a world-class team of veteran engineers and leaders from tech giants including Google, Microsoft, and Oracle in a fast-paced environment.

What you will do

• Lead full-cycle sales motions for UK-EU accounts, targeting AI-native startups and enterprise teams embedding AI into their core products.
• Execute and iterate on outbound strategies, including account targeting and technical messaging, to build a robust pipeline of flagship lighthouse accounts.
• Deliver expert product demos that articulate the value of APIs, integration architecture, and StackOne’s unique semantic tool discovery and prompt injection defense.

The ideal candidate

• Brings 2–5 years of B2B SaaS closing experience with a proven track record of exceeding revenue targets in high-growth startup environments.
• Possesses deep technical fluency, comfortable selling APIs or developer tools to CTOs and engineering leaders independently without needing daily oversight.
• Demonstrates a high-ownership mindset and the ability to navigate complex sales cycles involving AI platforms, security compliance, and technical validation.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Device Specialist

Salary

£75k-£85k + Equity

Company Description

Scarlet is Europe's only Notified Body specializing exclusively in AI and software medical device certification, authorized by EU and UK governments to grant market access for frontier medical technology.

Job Description

As a Device Specialist at Scarlet, you will audit management systems and assess technical documentation for the world’s most innovative medical devices. Joining the London-based Assessment team, you will bridge the gap between regulatory standards and cutting-edge technology, helping expand Scarlet's scope from software into hardware medical device certifications.

Location

London, UK

Why this role is remarkable

• Join Europe's only Notified Body dedicated to AI and software medical devices, working at the intersection of regulatory law and frontier health technology.
• Participate in a high-growth environment with exponentially growing revenue and a proven product-market fit that is now scaling into hardware devices.
• Shape the future of medical device approvals globally, directly reducing delays so life-saving technology reaches patients significantly faster.

What you will do

• Conduct rigorous technical assessments of documentation and audit quality management systems for innovative medical devices to ensure regulatory compliance.
• Collaborate with internal software engineers and clinicians to design and optimize world-class tooling and processes for medical device conformity assessments.
• Stay at the forefront of international standards and regulatory guidance, incorporating new requirements into Scarlet’s expanding global approval frameworks.

The ideal candidate

• Holds a Bachelor’s degree or higher in engineering, medicine, or a relevant scientific discipline with a deep understanding of technical requirements.
• Possesses at least four years of professional experience in medical device manufacturing or research, including two years specifically in design and testing.
• Brings two years of dedicated experience in quality management systems and a proven ability to interpret complex normative texts and regulatory standards.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Senior Social Media Manager

Salary

Not Disclosed

Company Description

Culture-first sports content studio

Job Description

You will lead the day-to-day operations for a major professional sports league’s content strategy across Europe and the Middle East. Managing creators and editors, you’ll oversee social-first production for 9:16 platforms. From editorial planning to hands-on editing, you will drive audience growth and engagement for fans aged 14 to 25.

Location

London, UK

Why this role is remarkable

• Lead the social-first strategy for one of the most prestigious properties in global professional sports across multiple international markets.
• Join a rapidly scaling studio that leverages proprietary technology and a worldwide network of creators to land content natively.
• Play a senior-level role on a marquee founding account with significant influence over creative direction and audience growth.

What you will do

• Own the delivery of comprehensive content plans across four key markets from initial brief through to final publication.
• Act as the primary senior lead for the client, managing weekly operational rhythms, reporting, and high-level creative conversations.
• Lead hands-on social output, including platform-native formats, editorial calendars, and reactive content creation during live sporting moments.

The ideal candidate

• Proven experience in social media or account management within a creative agency, sports rights holder, or major brand.
• Deep expertise in TikTok-first content and youth-focused audiences, including proficiency with mobile editing tools like CapCut.
• Highly organized professional capable of managing moving parts across multiple timezones and the high-pressure pace of live sports.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Business Development Manager

Salary

Not Disclosed

Company Description

Blott.io Limited is a London-based technology consultancy for the AI era, partnering with ambitious leaders to build AI-native products and agentic systems for complex, regulated organisations.

Job Description

You will drive growth at Blott.io Limited by leading the full business development cycle for strategic prospects. From initial outreach to closing complex multi-stakeholder deals, you will shape market positioning and pitch narratives while partnering with senior leadership to scale the firm’s presence across fintech and other highly regulated industries.

Location

London, UK

Why this role is remarkable

• Lead the growth story of a consultancy at the forefront of the AI era, working directly with senior leadership to shape go-to-market strategies.
• Engage with an elite client roster that includes Monzo, Xapo Bank, BMW, and Samsung, supported by strategic partnerships with AWS, Nvidia, and Databricks.
• Impact a rapidly growing firm by selling high-value AI and digital transformation projects into complex, regulated sectors like financial services and technology.

What you will do

• Manage the end-to-end business development process for strategic prospects, from initial targeting and outbound outreach through to proposal negotiation and close.
• Develop and refine market positioning, proposition narratives, and tailored pitch materials to differentiate the agency’s AI and data services for target sectors.
• Partner with leadership on revenue forecasts and investment cases while coaching junior BD and SDR team members on tactics, messaging, and pipeline management.

The ideal candidate

• Has 4-6+ years of experience winning and growing business within an agency, consultancy, or professional services environment, specifically selling digital or tech services.
• Demonstrates a proven track record of meeting revenue targets for complex, multi-stakeholder deals involving senior clients and multi-discipline pitch teams.
• Possesses strong commercial acumen, including confidence with pricing and financial modelling, alongside excellent presentation skills for leading senior-level workshops and pitches.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Technical Product Manager

Salary

Not Disclosed

Company Description

Taste is building the taste layer for AI, working with top-tier labs and design-forward brands to develop evaluation frameworks that decode subjective creative quality. Based in San Francisco, the team is solving the unsolved problem of measuring aesthetic intent and quality in generative AI at scale.

Job Description

As the first Technical Product Manager at Taste, you will bridge the gap between deep machine learning and high-end design. You will build evaluation systems that make subjective aesthetic quality measurable at scale. This role requires a builder's mentality to prototype experiments and define how the industry measures creative intent in generative AI.

Location

San Francisco, USA

Why this role is remarkable

• Join as the first Technical PM in a high-agency team of 14, directly shaping the product and defining the future of AI evaluation.
• Work at the unique intersection of RLHF and creative technology, solving the critical problem of measuring subjective taste in AI outputs.
• Collaborate with a tight-knit, obsessive group of outside-the-box thinkers in an in-person, high-intensity environment focused on genuine creative innovation.

What you will do

• Build and prototype evaluation frameworks that translate subjective creative and design qualities into measurable technical benchmarks for generative AI models.
• Design and execute experiments leveraging deep knowledge of reinforcement learning and post-training to improve aesthetic and creative AI output quality.
• Partner directly with the founding team and external AI labs to integrate the "taste layer" into core machine learning development cycles.

The ideal candidate

• Demonstrates deep technical knowledge of machine learning, specifically in evaluation frameworks, post-training, and RL techniques for large-scale generative models.
• Possesses an "unreasonably good taste" and proven design sensibility, likely refined at research labs, creative technology companies, or generative AI startups.
• Maintains a hands-on builder's mentality with the ability to ship prototypes and manage technical complexity without requiring traditional project management overhead.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lab Manager

Salary

Not Disclosed

Company Description

Well-funded tech-bio AI startup

Job Description

As the Lab Manager for this stealth tech-bio startup, you will own the end-to-end operational backbone of a platform merging AI with wet lab biology. You’ll oversee daily operations, safety compliance, and critical instrumentation procurement. This is a high-impact role building the systems that power drug discovery from the ground up.

Location

San Francisco, USA

Why this role is remarkable

• Build a state-of-the-art lab from the ground up at an early-stage startup.
• Backed by top-tier VCs at the intersection of AI and drug discovery.
• High degree of ownership and direct collaboration with the founding team.

What you will do

• Manage day-to-day lab operations including inventory, equipment maintenance, and safety compliance.
• Lead procurement for new instrumentation, from initial sourcing through installation and commissioning.
• Design and implement operational systems and processes to scale wet lab capabilities.

The ideal candidate

• Proven experience managing a lab within a tech-bio or AI-for-biology environment.
• Deep expertise in instrumentation procurement and vendor management for specialized equipment.
• Ability to thrive in an ambiguous, fast-paced startup environment as a primary owner.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Analyst Contractor

Salary

£35/hr

Company Description

Cartesia is a frontier AI research lab founded by the Stanford AI Lab PhDs who invented State Space Models (SSMs). Backed by Index Ventures, Lightspeed, and NVIDIA, Cartesia is building the next generation of real-time, interactive intelligence capable of processing massive streams of audio, video, and text efficiently.

Job Description

Joining the Product Research and Operations (PRO) team, you will manage voice library operations and production workflows. You'll become a key expert in audio quality annotation and support critical research objectives. This hands-on role involves working closely with synthetic voice creation to ensure Cartesia’s models meet the highest possible standards for quality and performance.

Location

London, UK

Why this role is remarkable

• Work at a frontier AI lab founded by the inventors of State Space Models (SSMs), a revolutionary alternative to Transformers for efficient, large-scale foundation models.
• Join a highly-backed team supported by top-tier investors like Index Ventures, Lightspeed, and NVIDIA, contributing to products like Sonic that power millions of real-time conversations.
• Enjoy a high-impact, operationally intense role where your work directly shapes the quality and development of cutting-edge synthetic voice and speech-to-text technologies.

What you will do

• Manage end-to-end voice library operations, including posting job ads for voice actors, managing professional engagements, and maintaining strict quality timelines.
• Execute complex voice production workflows, specifically focusing on the creation and rigorous quality evaluation of synthetic voices through specialized annotation.
• Support core research and analysis objectives within the voice domain, tackling ad-hoc operational tasks that require high flexibility and reliability.

The ideal candidate

• Strong project management instincts with the ability to juggle multiple workstreams and high-throughput operational tasks without letting details slip through the cracks.
• Technical fluency including a solid understanding of how APIs work, practical experience with LLMs, and basic proficiency in Python or SQL.
• A research-driven and curious mindset, comfortable digging into data and using AI coding assistants like Cursor or Claude to rapidly execute high-quality results.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer, Backend

Salary

$160k-$200k + Equity

Company Description

Numero is a YC-backed fundraising platform that has helped political campaigns and nonprofits raise over $10B. Backed by investors like 776 and Initialized Capital, Numero provides an all-in-one CRM, payment processing, and communications toolkit that scales to serve thousands of campaigns during the most critical moments of national election cycles.

Job Description

Join Numero as a Senior Backend Engineer to architect systems handling millions of daily requests and billions of records. You will scale our proprietary NumeroQL engine, integrate advanced AI agents into our product suite, and optimize high-volume payment processing. It’s a high-impact role building the infrastructure that powers consequential national campaigns.

Location

Remote, USA

Why this role is remarkable

• Work on mission-critical systems where your code directly impacts thousands of campaigns and helps raise billions of dollars for important causes.
• Join a high-growth, YC-backed team with top-tier investors like 776 and Initialized Capital, operating at a scale few startups ever reach.
• Be at the forefront of AI-native development, utilizing agentic coding workflows and building LLM-powered features like Numero Agents on a proprietary Ruby stack.

What you will do

• Architect and scale backend systems using Ruby on Rails, Postgres, and OpenSearch to support billions of records and high-frequency election traffic.
• Develop and refine Numero Agents, a suite of AI-powered tools that allow clients to manage their platform using sophisticated natural language commands.
• Optimize complex payment processing and tandem fundraising features, ensuring high conversion and precise compliance reporting across Stripe and PayPal.

The ideal candidate

• Possesses 6+ years of experience building and scaling user-facing backend systems with a deep, instinctive understanding of production performance and cost.
• Demonstrates high proficiency in SQL and relational data modeling at scale, with experience managing bottlenecks and indexing in high-volume environments.
• Maintains a bias toward high-quality architectural patterns and is eager to push the frontier of AI-integrated engineering workflows using tools like Cursor.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Game Engineer

Salary

£90k–£130k + Equity

Company Description

Pebble is a London-based startup founded by former Google and Synthesia leaders building the first generative learning world for children. The team is creating a 3D exploration game where kids interact with an unscripted AI companion, bridging the gap between passive digital content and active, educational play.

Job Description

As the first game engineer, you will own the gameplay and engine architecture for an AI-driven 3D world. You'll build generative systems and procedural environments that adapt to each child's needs in real-time. This is a rare opportunity to define the engineering foundation of an entirely new category of interactive education.

Location

London, UK (Remote Friendly)

Why this role is remarkable

• Founding role with the autonomy to set the architectural standards and engineering culture for a high-potential AI startup from day one.
• Led by an elite founding team including the first product hire at Synthesia (scaled $3M-$100M ARR) and the founder of Neoplants ($25M+ raised).
• Work at the cutting edge of AI and gaming by building complex procedural generation systems where AI is the core product, not just a feature.

What you will do

• Architect and own the gameplay systems, procedural world generation, and progression mechanics within a live Unity-based 3D environment.
• Collaborate with AI engineers to integrate open-ended voice and LLM-driven companion behaviors directly into the real-time game loop.
• Develop high-performance systems and internal tooling to ensure a coherent, responsive experience for children while maintaining strict frame budgets.

The ideal candidate

• Extensive experience shipping 3D games or real-time products, with deep expertise in Unity (C#) and core engine systems.
• Proven track record building complex procedural or generative systems and managing the performance/memory constraints of live-service games.
• Enthusiastic adopter of AI-driven development workflows who is passionate about creating safe, engaging, and educational digital experiences for children.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$230k-$250k + Equity

Company Description

Valon Technologies, Inc. is a Series C fintech backed by a16z building an AI-native operating system for regulated finance. After proving their platform by managing $110B+ in loans with 60%+ margins, they are now deploying their unified mortgage servicing software to major enterprises across the industry.

Job Description

Join Valon Technologies, Inc. to build the foundational infrastructure for regulated finance. You will develop robust, scalable systems in Python and React that manage billions of dollars while navigating complex federal regulations. Working alongside a senior team from Stripe and Google, you’ll ship high-impact software that transforms archaic financial sectors into programmable, AI-ready operations.

Location

New York/San Francisco, USA or Remote

Why this role is remarkable

• Work on a mission-critical "AI-native operating system" for the $11T mortgage industry, backed by top-tier investors like Andreessen Horowitz.
• Join a high-density talent environment with engineers from Jane Street, Stripe, and Meta, offering unparalleled peer learning and technical autonomy.
• Solve genuine complexity by building software that encodes rigid federal regulations into extensible codebases, rather than just building on legacy wrappers.

What you will do

• Design and build robust, extensible infrastructure capable of handling $110B+ in loans and evolving state and agency compliance requirements.
• Collaborate cross-functionally with Product and Design to create seamless, data-rich experiences for enterprise clients and mortgage customers.
• Scale backend services using Python, Docker, and Kubernetes on Google Cloud Platform to maintain 100% accuracy in high-stakes financial transactions.

The ideal candidate

• Has 4+ years of professional software engineering experience building and scaling quality applications in complex, production-grade environments.
• Demonstrates strong proficiency in Python or similar backend languages, with a track record of designing scalable distributed systems from scratch.
• Possesses the communication skills and intellectual curiosity required to navigate the intersection of technical architecture and highly regulated financial industries.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Support Engineer

Salary

Not Disclosed

Company Description

Boost Technology is a global platform powering FMCG manufacturers and last-mile distribution networks across Africa through strategic partnerships with Unilever and Mastercard.

Job Description

You will be the critical link between the engineering team and in-country operations across Africa. By triaging technical issues and shipping production code fixes in Python and SQL, you will ensure a seamless experience for thousands of informal retailers. This hands-on role combines technical troubleshooting with cross-cultural collaboration to drive digital transformation.

Location

Remote

Why this role is remarkable

• Work directly with experienced co-founders and a high-caliber engineering team to scale a platform already partnered with global giants like Unilever and Mastercard.
• Join a purpose-driven startup digitising supply chains for thousands of retailers previously excluded from the digital economy across Ghana, Nigeria, and South Africa.
• See your contributions move the needle immediately, as your code fixes and QA improvements directly impact the daily lives of last-mile distribution networks.

What you will do

• Triage, diagnose, and resolve complex technical issues by hunting down root causes in the codebase and surfacing best practices for distributed teams.
• Ship production-ready code fixes, tests, and platform improvements using Python (Flask) and PostgreSQL to enhance the overall customer experience.
• Own the QA and testing pipeline by building automated test suites that prevent regressions and ensure a reliable experience across the global platform.

The ideal candidate

• Possesses 2–3 years of experience in an engineering, product, or technical support role, ideally within a fast-paced startup environment.
• Demonstrates intermediate proficiency in Python (Flask) and SQL (PostgreSQL), with a strong desire to dive deep into code and infrastructure on AWS.
• Is a superb communicator capable of bridging the gap between technical requirements and non-technical customer needs across different cultures and timezones.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Sr. Software Engineer (Backend)

Salary

Not Disclosed

Company Description

Zenarate is a Palo Alto-headquartered, $18M venture-backed AI simulation platform led by Volition Capital, delivering over 16 million simulations for Fortune 500 leaders like Capital One and Bank of America.

Job Description

As a Sr. Software Engineer (Backend) at Zenarate, you will architect and scale real-time AI voice systems that power lifelike conversation simulations for enterprise contact centers. You'll build low-latency pipelines and microservices using Python and React, integrating cutting-edge LLMs and voice AI to transform how millions of front-line agents are trained globally.

Location

Remote, India

Why this role is remarkable

• Work at the forefront of conversational AI, building real-time systems that orchestrate speech-to-text, text-to-speech, and LLM providers for millions of users.
• Join a high-growth leader backed by $18M in funding from Volition Capital, already serving massive enterprise clients like Verizon, United Healthcare, and Capital One.
• Experience true technical ownership by designing critical low-latency infrastructure while enjoying a fully remote culture that prioritizes well-being and a healthy work-life balance.

What you will do

• Architect and scale real-time voice agent infrastructure using WebSocket-based streaming, session management, and low-latency audio/event pipelines.
• Design and maintain microservices in Python (Django/Flask) that integrate with agentic frameworks and voice AI services like Deepgram or ElevenLabs.
• Collaborate with ML engineers and product teams to translate complex business requirements into robust, high-performance APIs for regulated enterprise industries.

The ideal candidate

• 5-8 years of backend engineering experience with strong proficiency in Python and frameworks like Django or Flask.
• Deep expertise in real-time communication protocols such as WebSockets, WebRTC, or gRPC streaming for high-load simulation workloads.
• Proven track record operating distributed systems on cloud platforms (AWS, Azure, or GCP) using containerization tools like Docker and Kubernetes.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engineering Manager, Platform - Cloud Infrastructure

Salary

$241.5K - $284K + Equity

Company Description

Valon Technologies, Inc. is a Series C fintech backed by a16z, building an AI-native operating system for regulated finance. Having built a mortgage servicing business managing $110B+ in loans, they are transforming complex legacy industries with a modern software stack that has successfully improved operating margins from 0% to over 60%.

Job Description

As Engineering Manager for Cloud Infrastructure at Valon Technologies, Inc., you will lead a high-impact team of five engineers managing production systems handling 100M+ daily jobs. You'll drive technical strategy for scalability and reliability, scale the platform 10x over two years, and bridge the gap between complex infrastructure and rapid product innovation.

Location

New York / San Francisco, USA (Remote Optional)

Why this role is remarkable

• Lead the foundational infrastructure for a platform managing $110B+ in assets, with concrete plans to scale the system 10x over the next two years.
• Join a high-caliber team of engineers from top-tier firms like Stripe, Jane Street, and Meta in a Series C company backed by top-tier investors like a16z.
• Enjoy a high-agency culture where you act as a hands-on technical leader, influencing architecture and strategy for next-gen data stores like Vitess, Clickhouse, and Redis.

What you will do

• Manage and grow a team of 5+ infrastructure engineers, overseeing technical strategy for compute, databases, storage, and networking across all production environments.
• Architect and implement production-scale systems and batch processing control planes to support massive daily growth in background job execution and data volume.
• Collaborate cross-functionally with product and operations to build high-leverage infrastructure that unlocks rapid product iteration while maintaining world-class reliability and security standards.

The ideal candidate

• 4+ years of software engineering experience with at least 1+ years in a dedicated technical leadership or engineering management role in a high-growth environment.
• Deep expertise in cloud providers, containerization using Kubernetes and Docker, and distributed systems capable of handling high-volume background processing and complex data stores.
• Strong systems thinker with a product mindset and a proven track record of mentoring engineers through a feedback-driven, high-performance culture focused on continuous development.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior AI Engineer

Salary

$169k-$200k + Equity

Company Description

Talkspace, Inc. is a publicly traded leader in online behavioral healthcare that has served over two million users. Through its lean Sentia AI team, the company is building tee.care, an autonomous multi-agent system designed to provide adaptive, long-term mental health guidance by combining Large Language Models with reinforcement learning.

Job Description

Join the Sentia AI team at Talkspace, Inc. to design and scale tee.care, an autonomous behavioral health guide. You will own the reinforcement learning domain, developing adaptive intervention strategies that optimize for real patient wellbeing. Working in a high-stakes, mission-driven context, you’ll bridge advanced AI reasoning with scalable, ethical, and empathetic user interactions.

Location

Remote, USA

Why this role is remarkable

• Own a complete technical domain: You will lead the reinforcement learning strategy for tee.care, covering both classical behavioral interventions and modern RLHF/alignment work.
• High-impact mission: Build autonomous systems that directly improve mental health outcomes for millions, working at the intersection of AI safety, ethics, and behavioral economics.
• Startup speed with public scale: Join a lean, four-person "Sentia AI" squad within a publicly traded company, offering significant equity and rapid development cycles.

What you will do

• Design and implement multi-agent architectures for tee.care, including cognitive planning modules, memory/retrieval systems, and complex tool-use orchestration.
• Apply advanced reinforcement learning (RL) and control theory to develop adaptive, long-term intervention strategies that maximize positive user health outcomes.
• Orchestrate LLM fine-tuning and deployment pipelines, focusing on empathetic communication, reasoning quality, and real-time production monitoring for behavioral drift.

The ideal candidate

• Has 5+ years of production software experience with at least 3+ years specifically implementing and deploying autonomous systems or complex machine learning models.
• Demonstrates deep expertise in Reinforcement Learning (RL), including reward modeling, PPO/DPO, and building robust simulation environments for agent policy testing.
• Possesses mastery of Python and MLOps, with a proven track record of shipping maintainable, high-availability code within cloud-native (AWS/GCP) and containerized environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior AI QA Engineer

Salary

£60,000-£70,000

Company Description

Chip Financial Ltd is an FCA-regulated high-growth fintech building the UK’s premier investment super app for over 500,000 users. Focused on AI-driven wealth management, the company is scaling its platform to offer intelligent, personalized financial tools within a robust, distributed microservices architecture on AWS.

Job Description

Join Chip Financial Ltd to lead quality for our AI-driven wealth management platform. You will own the strategy for non-deterministic, LLM-powered features, building automation frameworks and performance testing suites across a TypeScript microservices architecture. This is a high-impact role for an engineer who excels at shifting quality left in a fast-paced environment.

Location

London, UK

Why this role is remarkable

• Lead the quality strategy for a cutting-edge investment super app, moving beyond traditional test cases to shape how a regulated fintech delivers AI-driven personalization.
• Tackle unique engineering challenges by validating non-deterministic agentic systems, managing LLM hallucinations, and ensuring safety in a probabilistic wealth management environment.
• Join a high-traction, FCA-regulated scale-up with 500k+ users and a fast-moving culture that rewards ownership, independence, and an early Friday finish.

What you will do

• Define and execute the end-to-end quality strategy for the Wealth Management business line, embedding testing early in the architecture and product design phases.
• Architect and scale automated testing frameworks for TypeScript microservices and APIs on AWS, enabling developer self-sufficiency and maintaining high-velocity CI/CD pipelines.
• Own performance testing using tools like K6 to design realistic load models, analyze results, and partner with engineering to optimize distributed system reliability.

The ideal candidate

• Brings over 7 years of QA experience with a track record of owning quality strategy for complex, modern service-oriented architectures rather than just executing plans.
• Possesses deep technical proficiency in TypeScript or a similar language, with hands-on experience building automated test suites for distributed microservices and AWS infrastructure.
• Demonstrates a strong understanding of testing AI systems, including validation strategies for non-deterministic outputs, output quality scoring, and proactive observability using tools like Datadog.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Full Stack Engineer (€100K–€160K + Equity) at Maze - AI-native Cybersecurity Startup

Job Title

Full Stack Engineer

Salary

€100K–€160K + Equity

Company Description

Maze - Series A cybersecurity startup backed by Theory Ventures and Cherry Ventures

Job Description

Maze is revolutionizing cybersecurity by building AI agents that autonomously investigate and resolve cloud vulnerabilities. As an early Full Stack Engineer, you will own the end-to-end product experience from React UIs to Python APIs. You'll join an elite team of Big Tech veterans to build high-impact, AI-native solutions for Fortune 200 customers.

Location

Remote, Europe

Why this role is remarkable

• Significant technical ownership with your own API layer, allowing for rapid deployment without dependencies or blockers while shaping the future of AI in security.
• Strong financial backing with $31M total raised from top-tier investors like Theory Ventures and a founding team with a track record of successful IPOs and acquisitions.
• Opportunity to build an AI-native product from the ground up using a modern, carefully selected tech stack including FastAPI, TanStack, and Temporal.

What you will do

• Lead the development of end-to-end features, from crafting intuitive React/TypeScript interfaces to implementing scalable backend services in Python.
• Design and optimize performant REST APIs that power complex security workflows and integrate seamlessly with autonomous AI agents.
• Collaborate directly with leadership to establish engineering standards and influence architectural decisions as the platform scales to support global enterprises.

The ideal candidate

• 6+ years of professional full-stack experience with deep expertise in React, TypeScript, and building production-grade RESTful APIs.
• Proven track record in B2B SaaS environments with a strong intuition for database performance and query optimization at scale.
• Startup-ready mindset with a bias for action, capable of navigating ambiguity and delivering high-quality code at high velocity.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$80k-$150k + Bonus

Company Description

cloro is a bootstrapped API platform that hit $1M ARR in under three months by extracting structured data from AI models like ChatGPT and Perplexity. Handling over 500M monthly API calls, we solve the internet’s hardest data extraction problems for global AI and SEO leaders.

Job Description

As our first employee, you will build the core infrastructure powering 500M+ monthly API calls. Working directly with founders, including an ex-Glovo GM, you’ll own everything from scraping pipelines to Kubernetes scaling. This role is for a high-ownership generalist ready to solve the internet’s hardest data extraction problems at scale.

Location

Remote

Why this role is remarkable

• Extreme Traction: Join a company that reached $1M ARR in just three months, handling over 500M monthly API calls for top global AI and SEO firms.
• Founder Pedigree: Work directly with Co-founder Ricardo, who scaled Glovo Portugal from 0 to 120+ employees and has successfully exited two previous companies.
• Incredible Upside: Benefit from a performance-based bonus system that can double your base salary, coupled with the influence of being employee number one.

What you will do

• Design and scale high-throughput infrastructure using Kubernetes and queue systems to handle massive API request volumes with 99% reliability.
• Build and maintain complex web scrapers that extract structured data from sophisticated AI interfaces like Gemini, ChatGPT, and search engines.
• Make critical architectural decisions across the backend and frontend to shape the product roadmap and maintain engineering excellence as the company scales.

The ideal candidate

• 4-8 years of software development experience with a heavy focus on backend systems, infrastructure, and distributed architectures.
• Proficiency in Node.js, Python, and Kubernetes, with a proven ability to manage high-volume queue systems and complex data pipelines.
• A founder attitude with experience in international or US-based companies, demonstrating the ability to take full ownership and move fast in an async environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engineering Lead

Salary

£120k-£150k + Equity

Company Description

Attio.com is an early-stage tech company building the next generation of CRM for the AI-native era. With an exceptionally high bar for quality and a focus on real-time infrastructure, Attio.com is on an incredible trajectory to reinvent how millions of people work through beautiful, effortless, and powerful software.

Job Description

Attio.com is reinventing the CRM for the AI-native era. As an Engineering Lead, you will balance high-caliber individual contribution with leadership of a focused engineering team. You'll work across the stack to build real-time infrastructure and an effortless frontend, driving technical architecture and product decisions that impact millions of users worldwide.

Location

Remote

Why this role is remarkable

• Join an early-stage tech company on an incredible trajectory, building the foundational infrastructure for AI-native workflows.
• Enjoy a high-trust environment where you lead a talented, small team while maintaining a significant hands-on technical impact.
• Experience a culture that prizes rigour and quality, supported by top-tier benefits and memorable global team off-sites.

What you will do

• Build and ship end-to-end features using a modern stack including Node.js, TypeScript, Go, GCP, and React.
• Recruit, mentor, and grow a top-class engineering team responsible for a critical area of the Attio.com product.
• Design and evolve a scalable technical architecture to support rapidly increasing user demand and complexity.

The ideal candidate

• Proven experience designing and scaling secure, reliable backend systems or building complex, high-performance frontends.
• Deep technical expertise in Node.js, TypeScript, Go, or React, coupled with strong knowledge of modern cloud architectures like GCP.
• Demonstrated aptitude for leadership, with the ability to communicate complex technical ideas and influence product-wide decisions.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer

Salary

Not Disclosed

Company Description

Oversee is a high-growth travel technology company using AI to automate corporate travel management for Fortune 500 companies. Building on exponential YoY revenue growth, Oversee is developing AgentSee, an AI assistant that uses LLMs and agentic reasoning to handle complex workflows and solve a $17B global problem.

Job Description

You will join the AI platform team to build production-grade AI agents for global enterprises. Working at the intersection of LLMs and large-scale travel data, you'll design scalable backend services and agentic workflows. This role offers the freedom to shape the future of business travel using production AI systems.

Location

Poland

Why this role is remarkable

• Build production-grade AI agents (AgentSee) that solve real-world problems for global Fortune 500 enterprises, moving beyond simple demos into complex agentic reasoning.
• Join a high-growth startup experiencing exponential YoY revenue growth and tackling a massive $17B market opportunity in corporate travel automation.
• Work in a highly collaborative, fast-paced environment with an all-Polish engineering team, enjoying significant autonomy to shape both technical architecture and product direction.

What you will do

• Design and scale AI-driven systems powering virtual agent capabilities, including conversational reasoning, retrieval systems (RAG), and tool-calling frameworks.
• Develop high-performance backend services in Python and Django, integrating complex APIs like Amadeus and Sabre to support real-time decision-making.
• Own the architecture for distributed AI applications while continuously improving model reliability, observability, and evaluation frameworks in a Kubernetes environment.

The ideal candidate

• Has 5+ years of production software engineering experience with a strong background in Python and designing scalable backend applications.
• Possesses proven hands-on experience building or integrating LLM products, specifically using frameworks like LangChain, LangGraph, or LlamaIndex.
• Is a proactive problem-solver based in Poland who is excited about agentic workflows, RAG pipelines, and solving performance bottlenecks in high-scale systems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Platform Operations Engineer

Salary

Not Disclosed

Company Description

Plentific Ltd is a leading property technology scale-up that provides a comprehensive SaaS platform and marketplace for the real estate industry. By connecting property managers, residents, and service providers, Plentific Ltd digitises the entire maintenance lifecycle, driving efficiency and transparency for large-scale housing providers across the UK and internationally.

Job Description

As a Platform Operations Engineer at Plentific Ltd, you will play a critical role in maintaining and scaling the infrastructure powering modern property management. You’ll collaborate with engineering teams to optimize cloud-native systems, automate deployment pipelines, and ensure the high availability of services that connect landlords, residents, and service providers seamlessly.

Location

Remote, UK

Why this role is remarkable

• Join a high-growth proptech leader that is fundamentally digitising the property management sector through a unique combination of SaaS and a vetted contractor marketplace.
• Work in a flexible, remote-first environment within the UK, enjoying high autonomy while contributing to a platform that impacts thousands of residents and property managers daily.
• Engage with a modern, cloud-native tech stack, tackling complex scalability and reliability challenges as the company expands its footprint across Europe and North America.

What you will do

• Manage and scale cloud infrastructure using AWS, ensuring optimal performance, security, and cost-efficiency across production and staging environments.
• Develop and maintain robust CI/CD pipelines to streamline software delivery, enabling product teams to deploy updates safely and frequently.
• Monitor system health and performance using advanced observability tools, proactively identifying bottlenecks and leading incident response efforts to maintain service uptime.

The ideal candidate

• Strong background in Platform Engineering or SRE with deep expertise in managing AWS environments and managing infrastructure-as-code using tools like Terraform.
• Proven experience working with container orchestration, particularly Kubernetes, to manage microservices at scale in a fast-paced production environment.
• Proficiency in scripting or programming with languages such as Python or Go to automate repetitive tasks and build internal tooling for engineering teams.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Contract Design Systems Expert — AI Training & Evaluation

Salary

$30–$90/hr

Company Description

Well-funded AI data infrastructure startup

Job Description

Join a pioneer in human-data evaluation to teach frontier AI models the nuances of high-quality design. You will build production-grade design systems in Figma or code, evaluate AI-generated UI outputs, and define benchmarks for aesthetics and usability. This is a unique opportunity to shape how future AI systems understand creative craft.

Location

Remote

Why this role is remarkable

• Shape the future of generative AI by training frontier models to understand "taste," aesthetics, and professional design standards.
• Join an elite, curated community of creative technologists and designers working on funded projects for leading AI research labs.
• Enjoy high-impact, async contract work with flexible hours while contributing to the core infrastructure layer of creative AI.

What you will do

• Create and refine comprehensive component libraries, design token architectures, and pattern libraries for diverse AI product contexts.
• Conduct deep technical evaluations of AI-generated design outputs, providing structured critiques and scoring against rigorous quality rubrics.
• Build and implement token pipelines and coded component libraries using React and Storybook to test AI implementation fidelity.

The ideal candidate

• Possesses 4+ years of professional experience building and owning production-grade, token-based design systems from the ground up.
• Demonstrates expert-level proficiency in Figma (auto-layout, variables, theming) or modern front-end engineering (React, Storybook, token pipelines).
• Has a meticulous eye for design fidelity and the ability to articulate complex technical critiques in clear, precise English.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Product Engineer

Salary

$150k-$250k + Equity

Company Description

Crux is a $77M-funded capital platform for the clean energy economy, backed by Andreessen Horowitz and Lowercarbon Capital. The firm modernizes capital deployment for sustainable infrastructure, having facilitated billions in transactions and achieved profitability while scaling its AI-forward engineering team to accelerate the global transition to clean energy.

Job Description

As the first AI Product Engineer at Crux, you will bridge the gap between engineering, legal, and finance to revolutionize clean energy transactions. You will design and ship user-facing LLM products from scratch, building the frameworks for automated diligence and complex financial workflows that power the future of sustainable infrastructure.

Location

Remote, USA

Why this role is remarkable

• Join a high-growth fintech that is already profitable and has facilitated billions of dollars in clean energy transactions over just two years.
• Be the first dedicated AI hire with massive ownership over the AI stack, picking your own tools and frameworks to build 0->1 products.
• Work at a mission-driven company backed by elite investors like a16z and QED, operating at the intersection of climate tech and finance.

What you will do

• Collaborate directly with customers and legal teams to co-design and build AI-powered diligence tools for clean energy financing.
• Architect and ship end-to-end full-stack features using NextJS, React, and Typescript, while iterating on LLM performance through CI/CD evals.
• Establish the engineering culture and internal frameworks for how Crux develops, tests, and deploys high-quality AI products at scale.

The ideal candidate

• 4+ years of full-stack experience with the ability to build products end-to-end, ideally with fluency in the NextJS, React, and Typescript stack.
• Proven track record of shipping user-facing LLM products and AI agents, with a deep understanding of prompting and iterating via evals.
• Startup veteran who thrives in fast-paced environments, possesses an 80/20 mindset, and can move from concept to execution in half the usual time.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Data Engineer / ML Ops

Salary

Not Disclosed

Company Description

VC-backed multimodal AI startup

Job Description

As the first dedicated data hire, you will architect the end-to-end data strategy for a platform creating authentic, real-time AI humans. You will build massive pipelines for multimodal datasets—including video, audio, and text—powering proprietary models at the frontier of AI research. This is a foundational role defining best practices.

Location

Remote

Why this role is remarkable

• Own the entire data strategy and infrastructure from scratch for a pioneering multimodal AI platform.
• Join a well-funded, Series B backed startup supported by some of the world's leading venture firms.
• Work directly with founders on complex problems with no established playbook at the intersection of video and AI.

What you will do

• Source, curate, and structure large-scale multimodal datasets (video, audio, and text) for proprietary model training.
• Architect and optimize high-performance data pipelines and automated labeling workflows to scale ML production.
• Define engineering best practices and proactively build the data foundation that powers next-generation conversational AI.

The ideal candidate

• Expert proficiency in Python, SQL, and building large-scale data processing systems in a production environment.
• Proven experience working with LLMs and managing complex multimodal data challenges like video and audio.
• A startup builder mentality with extreme ownership and the ability to define standards in new problem spaces.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Full-Stack Engineer

Salary

Not Disclosed

Company Description

Early-stage NYC tech startup

Job Description

Join a fast-paced team building product from the ground up. As a Full-Stack Engineer, you will own features end-to-end using TypeScript, React, Node.js, and PostgreSQL. You’ll play a pivotal role in shaping both the product and engineering culture while delivering high-quality solutions to real users in a collaborative hybrid environment.

Location

New York City, USA

Why this role is remarkable

• True end-to-end ownership over product features and technical decisions.
• Backed by top-tier VCs at an exciting early stage of growth.
• Directly influence engineering culture and product direction from the ground up.

What you will do

• Scope, build, and deploy high-impact features across the full stack.
• Collaborate on product strategy and turn outcomes into technical realities.
• Iterate on consumer and B2B products using modern web technologies.

The ideal candidate

• 3 to 5 years of professional engineering experience with a modern web stack.
• Proven track record of shipping production-ready products to real users.
• Strong proficiency in TypeScript, React, Node.js, and PostgreSQL, with familiarity in Next.js or GraphQL.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Engineer, Recommendations

Salary

$190K–$250K + Equity

Company Description

Raya is a profitable, 100-person membership-based social platform for creatives, artists, and cultural leaders. The company focuses on fostering quality, in-person interactions through a curated digital community and is currently building next-generation discovery and personalization features using cutting-edge technologies like Go, Kubernetes, and integrated LLM frameworks.

Job Description

Join Raya as a Senior Backend Engineer to lead the Recommendations team. You will architect and build production ranking services that power how a global community of creatives discover each other. This high-impact role involves integrating AI-driven discovery features and scaling backend infrastructure to enhance meaningful human connections for thousands of members.

Location

Remote

Why this role is remarkable

• Own the core discovery engine of a highly exclusive social platform, directly influencing how thousands of elite creatives and cultural leaders connect globally.
• Join a profitable, 100-person company that offers the stability of a successful business with the fast-paced innovation of a high-growth startup.
• Work with a modern tech stack including Go and Kubernetes, while actively developing and deploying production-level LLM-powered features and AI discovery tools.

What you will do

• Architect, build, and lead key components of Raya’s backend services, specifically focusing on production ranking and recommendation systems.
• Collaborate with cross-functional teams including UX designers and data scientists to ensure personalized discovery features are user-centric and scalable.
• Drive operational excellence across the full SDLC, implementing CI/CD practices and navigating the deployment of machine learning models into production.

The ideal candidate

• Has 6+ years of experience in modern software development with a proven track record of delivering scalable systems using Golang.
• Possesses deep expertise in building and scaling production recommendation systems, ranking algorithms, or personalization features for consumer-facing products.
• Demonstrates a "bias toward shipping" and enthusiasm for emerging AI frameworks, with the ability to iterate quickly in a fast-moving startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Engineer

Salary

Not Disclosed

Company Description

$37M Series B Kinnevik-backed AI hospitality platform revolutionizing restaurant operations

Job Description

You will tackle the most ambiguous and technically complex problems across a high-growth product and platform. As a backend-leaning full-stack lead, you will drive architectural decisions, influence product roadmaps, and build predictive AI systems that optimize margins for global restaurant chains. This is a high-leverage role focused on creating systemic technical excellence.

Location

Dublin, Ireland; London, UK; Spain (Remote)

Why this role is remarkable

• Join a fast-growing Series B scale-up fresh off a $37M funding round led by Kinnevik to automate the hospitality industry.
• Work at the frontier of AI and hospitality, building intelligent systems that directly impact the bottom line of enterprise restaurant partners.
• Enjoy a remote-first culture with incredible benefits including 35 days of leave, work-from-anywhere flexibility, and meaningful equity ownership.

What you will do

• Lead the framing, execution, and rollout of high-impact technical initiatives that cut across multiple cross-functional engineering squads.
• Partner with leadership to define pragmatic technical directions and sequence complex work for scalable, long-term architectural health.
• Mentor and raise the effectiveness of the entire engineering organization through hands-on problem solving and clear technical communication.

The ideal candidate

• Deep expertise in production backend systems using Python, FastAPI, Node.js, and complex data modeling in Postgres or MongoDB.
• Proven track record of operating across the full stack (React/TypeScript) and shipping end-to-end features in constrained startup environments.
• Exceptional architectural judgment with the ability to identify foundational gaps and design systems that enable teams to move faster.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Lead Software Engineer at Anima - YC-backed HealthTech

Job Title

Lead Software Engineer

Salary

Not Disclosed

Company Description

Anima - YC-backed HealthTech startup

Job Description

Join a high-velocity team building the future of personalized medicine through a proprietary active learning architecture. As a Lead Engineer, you will own critical product features end-to-end, leveraging a serverless AWS stack and TypeScript to ship life-saving tools for medical teams and patients while navigating novel technical challenges in deep phenotyping.

Location

Remote

Why this role is remarkable

• Work alongside an elite technical team including YC founders and Cambridge MB/PhDs who have built self-driving vehicles and acoustic deep learning systems.
• Ship at incredible speed on a highly scalable, zero-ops serverless architecture that handles thousands of medical channels and real-time patient data processing.
• Contribute to a mission-critical platform that predated the vertical AI craze, utilizing a 2021 patent on active reinforcement learning for clinical excellence.

What you will do

• Architect and deploy type-safe, full-stack applications using TypeScript, React, and Angular across both clinical and patient-facing web environments.
• Lead the end-to-end delivery of complex product features, from initial conception through to production on AWS Lambda, DynamoDB, and SQS infrastructure.
• Optimize user experience and interface safety through disciplined version control, CI/CD practices, and dimensionality reduction at system interfaces.

The ideal candidate

• Possesses expert-level proficiency in TypeScript and the Node.js ecosystem with a pragmatic approach to technical debt and tool selection.
• Demonstrates a relentless track record of shipping production-grade software and navigating ambiguity to solve complex algorithmic problems from first principles.
• Exhibits deep hands-on expertise in serverless cloud architecture (AWS) and a drive to master new technologies to solve high-impact healthcare challenges.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Firmware Engineer

Salary

£80k-£120k + Equity

Company Description

Alpha Machines is a well-funded London-based hardware startup founded by repeat unicorn founders to build critical infrastructure for the physical AI economy. The company designs and manufactures advanced power electronics and propulsion systems for aerospace, defense, and robotics, leveraging its proprietary AlphaOS AI platform to re-industrialize Europe through vertically integrated manufacturing.

Job Description

As the first firmware hire, you will own the entire embedded software platform for Alpha Machines' propulsion systems. You'll architect the RTOS, hardware abstraction layer, and bootloaders while bridging the gap between Simulink control models and real-time execution. Your work ensures reliability and performance in safety-critical applications across aerospace and robotics.

Location

London, UK

Why this role is remarkable

• Join a high-pedigree founding team of repeat unicorn founders as the first embedded software hire, gaining massive ownership over the firmware architecture and stack.
• Work on mission-critical hardware where your code directly drives physical systems in aerospace and defense, contributing to the re-industrialization of Europe.
• Receive a significant founding-team equity stake in a well-funded startup building the fundamental infrastructure for the next generation of physical AI.

What you will do

• Architect and own the complete embedded firmware platform, including RTOS integration, hardware abstraction layers, and secure bootloaders for ARM Cortex-M targets.
• Implement deterministic communication stacks for CAN, DroneCAN, and SPI, ensuring high-reliability data transfer and fault tolerance for safety-critical drone applications.
• Develop the code generation toolchain using Embedded Coder to translate complex MATLAB/Simulink control models into high-performance, deployed embedded C/C++ firmware.

The ideal candidate

• Has 5+ years of experience building RTOS-based embedded platforms from hardware bring-up through production, with deep proficiency in ARM Cortex-M microcontrollers.
• Demonstrates expert-level mastery of embedded C/C++, interrupt-driven architectures, and peripheral driver development for resource-constrained environments.
• Possesses hands-on hardware expertise, including reading schematics and using oscilloscopes, combined with experience in model-based design toolchains like Simulink and Embedded Coder.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Software Engineer

Salary

$120K - $150K + $400K Equity

Company Description

Arzana is a YC P26 startup building the AI front office for mid-market American manufacturers. Their agents automate mission-critical workflows like quoting and order entry for companies doing up to $500M in revenue, directly integrating with ERP systems like Epicor and NetSuite to modernize the backbone of American industry.

Job Description

As one of the first engineers at Arzana, you will bridge the gap between messy operational reality and reliable automation. You will embed with manufacturers on the shop floor, scope features end-to-end, and ship production code using Next.js and Python. This role defines how Arzana scales while delivering massive efficiency gains to operators.

Location

New York City, USA

Why this role is remarkable

• Join a fast-growing YC P26 startup as one of the first engineering hires, reporting directly to the founders and defining the company's operational DNA.
• Deliver massive tangible impact by cutting order processing times from hours to minutes for manufacturers that run the country’s physical infrastructure.
• Receive a highly competitive package including $120K-$150K salary and a significant $400K equity stake with relocation support to New York City.

What you will do

• Embed directly with customers at manufacturing facilities to understand complex RFQ flows and translate operational friction into automated software solutions.
• Ship end-to-end features, from agent configuration and ERP integrations to migration scripts, maintaining full ownership of everything you scope and build.
• Drive the core product roadmap by identifying breakage and opportunities on-site before anyone else, ensuring the product evolves with real-world manufacturing needs.

The ideal candidate

• Possesses 0-3 years of software engineering experience and a degree from a top CS program, with a genuine passion or background in American manufacturing.
• Demonstrates full-stack proficiency in Python, Next.js, and PostgreSQL, with the ability to quickly master LLM orchestration and complex agent workflows.
• Maintains exceptional interpersonal skills to build immediate trust with C-suite operators and a builder bias that prioritizes shipping high-quality code at speed.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

Not Disclosed + Equity

Company Description

1Deploy is a VC-backed Dublin startup founded by 2x exited founders building AI agents that automate enterprise operations for logistics and transportation companies.

Job Description

As a Founding Engineer at 1Deploy, you will own the end-to-end architecture for AI agents that run enterprise operations on autopilot. Working directly with 2x exited founders, you’ll build agent harnesses, deployment infrastructure, and logic for real-world applications in logistics and transportation. This is a 0-1 role for autonomous builders.

Location

Remote

Why this role is remarkable

• Work alongside founders who previously exited to Wayflyer and Blackstone, gaining invaluable insight into scaling high-growth technology businesses.
• Join a VC-backed startup with growing ARR and live paying customers, offering the excitement of 0-1 building with validated market demand.
• Own the entire technical stack for agentic systems, from custom MCP servers to deployment infrastructure, with full architectural autonomy.

What you will do

• Design and implement production-grade AI agent systems including harnesses, evaluation frameworks, and deployment infrastructure using Python and FastAPI.
• Ship features and architectural improvements directly to enterprise customers in the logistics and transportation sectors to drive immediate operational impact.
• Collaborate with founders to define the technical roadmap and make critical architectural decisions that shape the future of the platform.

The ideal candidate

• Demonstrates professional mastery of agentic coding tools like Claude Code and has built custom harnesses or MCP servers to optimize workflows.
• Possesses deep experience in backend systems development, specifically with Python and FastAPI, while maintaining the ability to wire up frontend components.
• Thrives in high-autonomy environments with a strong bias for action, preferring to ship functional iterations today rather than waiting for perfection.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Research Engineer — Video Diffusion

Salary

Not Disclosed

Company Description

Tavus is a $64M Series B AI research lab backed by Sequoia, CRV, and Y Combinator, building real-time AI humans. Headquartered in San Francisco with a global research presence, Tavus develops the Phoenix-4 model to power conversational video interfaces that see, hear, and respond with human-like presence.

Job Description

As a Research Engineer at Tavus, you will architect and train the video diffusion models powering our real-time facial rendering pipeline. Working under the leadership of Ioannis Patras, you'll bridge the gap between cutting-edge research and production, shipping models that achieve emotionally accurate expressions with sub-second latency for global enterprises.

Location

Remote

Why this role is remarkable

• Join a well-funded Series B lab backed by premier investors like Sequoia and CRV to define the future of conversational AI.
• See your research reach production immediately through Tavus’s platform, powering real-time face-to-face AI interactions for major companies.
• Work alongside world-class experts like Head of Research Ioannis Patras in a high-impact, globally distributed research environment.

What you will do

• Design and implement novel architectures for video diffusion and flow-matching models specifically for high-fidelity facial generation.
• Develop and optimize large-scale training loops to advance the capabilities of the Phoenix-4 model for emotionally accurate rendering.
• Ship high-performance models to production, ensuring sub-second inference latency for real-time conversational video interfaces.

The ideal candidate

• Demonstrates hands-on experience building, training, and scaling diffusion or flow-matching models specifically for video or facial synthesis.
• Possesses strong research engineering skills with the ability to implement complex neural architectures and manage large-scale training data.
• Brings broader knowledge of neural rendering techniques such as Gaussian Splatting, NeRFs, or advanced face synthesis methods.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Multimodal AI Research Engineer

Salary

Not Disclosed

Company Description

Series B-backed AI research lab

Job Description

As a Research Engineer, you will develop state-of-the-art multimodal foundation models to power next-generation interactive digital interfaces. You'll focus on the intersection of audio, vision, and language to create low-latency, expressive systems. This role offers the unique opportunity to conduct high-level research while shipping impactful technology to a global user base at scale.

Location

San Francisco, USA; London, UK; or Remote

Why this role is remarkable

• Work on cutting-edge foundation models that bridge generative video and real-time interaction at the frontier of AI.
• Join a well-funded Series B startup backed by premier global venture capital firms with a high-growth trajectory.
• Transition research directly into production systems, seeing your work reach millions of users rather than staying in papers.

What you will do

• Research and develop multimodal conversational models to control expressive digital behaviors in real-time with sub-second latency.
• Fine-tune audio-visual foundation models to improve responsiveness, controllable expressions, and task-specific performance.
• Partner with applied machine learning teams to migrate research prototypes into high-performance, scalable production pipelines.

The ideal candidate

• PhD or equivalent research experience in Deep Learning, specializing in Large Multimodal Models or Generative AI.
• Expert-level proficiency in PyTorch and experience building complex deep learning pipelines for audio or video understanding.
• Proven track record of high-impact research, ideally with a history of publications at top-tier venues like NeurIPS, CVPR, or ICLR.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Engineer (Generalist)

Salary

$180K-$250K + Equity

Company Description

BUILD, Inc. is a seed-stage venture creating the agentic AI stack for institutional real estate, backed by Index Ventures and c-suite leaders from OpenAI and Blackstone. Already generating 7-figure revenue, the team is automating complex development and acquisitions workflows 90% faster than traditional human processes for trillion-dollar asset managers.

Job Description

You will own end-to-end agentic workflows, from prototype to production, building visual reasoning and multi-agent systems that solve real-world problems. Partnering with domain experts and institutional customers, you’ll translate complex real estate tasks into high-performance software, driving the next generation of automation for the built world’s most significant projects.

Location

San Francisco, USA

Why this role is remarkable

• Work at the frontier of agentic AI with a team including leadership experience from 11x.ai’s rapid scale-up and backing from heavyweights like Index Ventures.
• Experience radical autonomy and high-stakes ownership in a seed-stage startup that has already achieved 7-figure revenue and is rapidly approaching 8-figures.
• Solve hard, unsolved problems where AI meets the physical world, directly impacting massive global infrastructure, energy, and industrial projects through autonomous workflows.

What you will do

• Design, build, and deploy production-grade AI agents using Python and LangGraph to handle complex, long-running real estate development workflows.
• Own and ship full-stack features end-to-end, managing everything from backend agent reasoning logic to polished, high-utility frontend user surfaces.
• Collaborate directly with institutional customers to translate multi-week manual processes into automated outcomes that scale across trillion-dollar asset portfolios.

The ideal candidate

• Has 3-5 years of engineering experience, ideally within high-growth vertical AI companies or elite engineering cultures like Ramp, Scale AI, or Glean.
• Demonstrates a proven track record of shipping production-grade LLM or agentic systems that deliver measurable value to real-world end users.
• Possesses full-stack capabilities with a strong "startup DNA," excelling in fast-moving, ambiguous environments where they can drive projects from concept to completion.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer / CTO

Salary

Not Disclosed + Equity

Company Description

ClearStack is a pre-seed London startup founded by an ex-Blackstone executive, building AI-driven treasury and cash management infrastructure for the private markets and alternatives space.

Job Description

As the first technical hire, you will build ClearStack’s platform from zero to one. Working directly with an ex-Blackstone founder, you'll own the architecture, backend, and deployment of tools automating complex treasury workflows for institutional investors. This role defines our technical foundation and strengthens our position as we head into fundraising.

Location

London, UK

Why this role is remarkable

• Build from 0-to-1 with significant ownership, defining the technical roadmap and architecture for a platform disrupting manual private market processes.
• Partner directly with a founder from Blackstone, gaining deep domain expertise and visibility into the institutional investment and alternatives landscape.
• Secure substantial equity—ranging from a founding engineer stake up to 15%—at a critical pre-fundraising stage with high upside potential.

What you will do

• Architect and build the initial product from scratch, managing everything from backend infrastructure to frontend implementation and automated data workflows.
• Collaborate on product strategy and roadmap, translating complex treasury and cash management problems into scalable technical solutions for institutional clients.
• Establish engineering best practices, deployment pipelines, and a high-performance culture as you eventually help scale the technical team from the ground up.

The ideal candidate

• You have 3-7 years of experience in early-stage startups or founding engineer roles, with a proven track record of shipping production-ready products.
• You possess strong full-stack or backend capabilities and the ability to work autonomously across ambiguous, complex technical challenges.
• You have an exceptional academic background from a top-tier university or equivalent deep CS foundations that enable you to build robust, scalable systems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Platform Engineering

Salary

£225,000 + Equity

Company Description

Model ML is a $75M Series A London-based AI company building an intelligent workspace for the financial services industry. Backed by FT Partners and YC W24, the platform serves major global banks and private equity firms who trust Model ML for their most sensitive financial analysis and data workflows.

Job Description

As Head of Platform Engineering at Model ML, you will lead the evolution of production-grade infrastructure for the AI era. Based in Kings Cross, you’ll own the end-to-end cloud strategy, scaling our Azure/AKS environment and leading a growing team. You’ll ensure high availability, security, and compliance for the world’s leading financial institutions.

Location

London, UK

Why this role is remarkable

• Lead the platform function at a high-growth, YC-backed AI startup reimagining the Bloomberg Terminal for top-tier financial institutions.
• Secure massive ownership with a $75M Series A war chest and a mandate to scale the platform team from 3 to 9 engineers by 2026.
• Work in a high-intensity, mission-critical environment where your infrastructure directly enables AI-driven workflows for the world's most sophisticated private equity firms and banks.

What you will do

• Architect and scale cloud infrastructure using Azure, AKS, and Terraform to support rapid product growth and demanding financial service workloads.
• Build and maintain robust CI/CD pipelines and observability frameworks to ensure system reliability, performance, and seamless software delivery across all services.
• Lead the company through SOC 2 and ISO 27001 audits, implementing rigorous security, secrets management, and compliance measures across the entire platform.

The ideal candidate

• Has 10+ years of experience in infrastructure and platform engineering, specifically architecting and operating production-grade Kubernetes and Terraform environments at scale.
• Demonstrates a proven track record of leading and scaling engineering teams in high-growth startup environments with a focus on operational excellence.
• Thrives in a fast-paced, high-ownership culture and possesses deep experience navigating complex compliance frameworks like SOC 2, ISO 27001, or GDPR.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Full-Stack Engineer

Salary

$150k–$200k + Equity

Company Description

Series A digital health startup backed by a16z and Khosla Ventures helping 10M+ seniors

Job Description

Join a mission-driven team as a Senior Full-Stack Engineer building a clinical platform that has already reduced falls in older adults by 46%. You will own the architecture and end-to-end feature development on a React/Python/AWS stack, shipping high-impact products like ML-driven care guidance and EHR integrations to improve healthcare outcomes for millions.

Location

Los Angeles, USA

Why this role is remarkable

• Rare opportunity to join an a16z and Khosla Ventures-backed startup at an inflection point where product-market fit is proven and scaling is the primary focus.
• Direct clinical impact: build technology that significantly reduces injury and hospitalizations for a population of 10 million Medicare members.
• High ownership environment where you will shape technical direction and influence the engineering foundation rather than just executing tickets.

What you will do

• Architect and maintain scalable, HIPAA-compliant components on AWS to power member engagement and clinical messaging workflows.
• Partner with data science and clinical teams to prototype and launch ML-driven personalization and care guidance features.
• Drive technical excellence by mentoring teammates, conducting code reviews, and evolving the platform's design system and infrastructure.

The ideal candidate

• 5+ years of professional experience scaling modern web applications using Javascript (React) and Python on cloud infrastructure.
• Product-minded engineer with a growth mindset who thrives in fast-paced startup environments and can navigate technical ambiguity.
• Strong communicator who possesses deep empathy for older adults and is motivated by improving healthcare accessibility and independence.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Engineer

Salary

Not Disclosed + Equity

Company Description

Raya Health is a pre-Series A startup (HF0 W26) building an AI-powered maternal health companion to provide 24/7 guidance and support for mothers during and after pregnancy.

Job Description

As the first dedicated AI hire at Raya Health, you will own the entire AI stack from agents to future SLMs. Working directly with the CTO, you'll design the architecture and data pipelines necessary to support vulnerable users with compassionate, credible AI guidance. This is a high-impact, zero-to-one role in the underserved maternal health space.

Location

Remote, USA

Why this role is remarkable

• Work directly with the CTO (formerly systems engineering at HP and AMD) with zero layers, total ownership, and high visibility.
• Join a mission-driven pre-Series A startup (HF0 W26) at the ground floor to tackle the underserved and growing maternal health market.
• Evolve from building production LLM agents and RAG systems today to training proprietary small language models (SLMs) specifically for maternal health.

What you will do

• Design and build Raya's core AI systems, including RAG-based agents, prompting strategies, guardrails, and evaluation frameworks for sensitive health interactions.
• Architect and implement robust data pipelines to capture high-value maternal health data that will fuel future proprietary model training and improvements.
• Ship end-to-end features, bridging the gap between the user-facing companion experience and the backend AI infrastructure while maintaining HIPAA compliance.

The ideal candidate

• Has 2–4 years of engineering experience with a track record of shipping production-level LLM systems such as agents, RAG, and APIs.
• Possesses a bias for action and the startup DNA required to thrive in a zero-to-one environment with high shipping velocity.
• Demonstrates strong software fundamentals and an interest in growing into deep AI architecture, model fine-tuning, and safety-critical health applications.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founder Associate

Salary

Not Disclosed + Equity

Company Description

VC-backed renewable energy platform

Job Description

Support a seasoned founder in scaling a decentralized energy transition vehicle focused on the German commercial market. You will own critical workstreams across project finance, financial modeling, and legal structuring for solar and storage assets. This is a high-impact, entrepreneurial role with significant equity upside and a path to a full-time leadership position.

Location

Remote, Europe

Why this role is remarkable

• Join a live operation with proven product-market fit and a massive, pre-secured project pipeline in the energy transition space.
• Work directly with a founder who has successfully deployed significant capital into decentralized energy projects across Europe.
• Massive equity potential and the chance to transition into a core leadership role as the platform scales rapidly.

What you will do

• Build and maintain complex financial models for solar PV, battery storage, and EV charging assets, including IRR and leverage analysis.
• Draft and iterate on commercial term sheets, investor pitch materials, and data rooms for infrastructure financing and transactions.
• Manage external stakeholders including EPC partners, grid operators, and distribution partners to drive projects toward final investment decisions.

The ideal candidate

• 2-4 years of experience in investment banking, infrastructure private equity, project finance, or a high-growth climate tech startup.
• Native or near-native fluency in German and English, with the ability to navigate German energy regulations and commercial contracts.
• Advanced financial modeling skills and a roll-up-your-sleeves mentality suited for a lean, fast-paced entrepreneurial environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

£50k-£100k+ + Equity

Company Description

Opfyx Ltd is a venture-backed London and New York startup founded in 2023, building a modern AI-enabled operations platform to replace legacy infrastructure for the world's largest airports, airlines, and ground handlers.

Job Description

Join a small, high-impact engineering team at Opfyx Ltd to architect mission-critical systems that replace decades-old aviation infrastructure. You will build and scale distributed architectures across the full stack, working directly on products used in live airport environments to optimize global air travel for billions of passengers.

Location

London, UK

Why this role is remarkable

• Shape the future of global aviation by replacing fragmented legacy systems with a modern, AI-enabled platform used by major international players.
• Join a well-capitalized, venture-backed startup in its early stages where you will work directly with a CTO who is an Apache Arrow and DataFusion contributor.
• Enjoy high ownership and visibility in a small team of three engineers, ensuring your architectural decisions have an immediate, massive impact on real-world operations.

What you will do

• Design, build, and operate highly available, mission-critical software for live aviation environments using Rust and Flutter.
• Collaborate with product stakeholders to develop distributed and federated architectures that support complex, real-world operational workflows.
• Improve reliability, performance, and user experience across the Opfyx AIR platform while helping to shape engineering practices as the team scales.

The ideal candidate

• A self-starter with strong technical instincts across the full stack and the ability to own projects end-to-end in a fast-moving environment.
• Experience or a strong willingness to master a high-performance stack including Rust, Flutter/Dart, gRPC, Arrow, and Postgres.
• A user-first mindset with the technical caliber to build scalable systems for an industry that moves billions of people annually.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

£90k-£130k + Equity

Company Description

Junction is a venture-backed healthtech startup, supported by Creandum, Point Nine, and YC, building the infrastructure layer for diagnostic healthcare. They streamline patient data across lab testing and wearables, enabling personalized care for millions by making clinical information accessible and automated for modern healthcare organizations.

Job Description

As a Product Engineer at Junction, you will design and ship full-stack features that transform how millions interact with diagnostic data. Working in a tight-knit team of six, you'll bridge the gap between complex backend infrastructure and intuitive user experiences, directly impacting patient outcomes while scaling a platform that processes millions of data points every second.

Location

Remote

Why this role is remarkable

• Scale life-changing technology that already streams data from 3M+ wearables every second and facilitates 4M+ lab tests across the United States.
• Join a high-growth environment backed by elite investors like Creandum, 20VC, and YC, with company revenue quadrupling in the last year alone.
• Work with a world-class engineering team from Babylon, SpaceX, and Monzo on the mission-critical challenge of making healthcare proactive and affordable.

What you will do

• Build and own end-to-end full-stack features for customer-facing dashboards that allow healthcare providers to self-serve and order lab tests.
• Architect the next version of a diagnostics API designed to scale from 4 million to 40 million tests within the next twelve months.
• Collaborate directly with customers to understand product usage, refining technical challenges into elegant software solutions that significantly reduce patient medical costs.

The ideal candidate

• Has 3+ years of experience in early-stage startup environments where you actively influenced product direction rather than just executing predefined tickets.
• Possesses strong proficiency in building API products and is comfortable working across the full stack with Python, Go, or TypeScript.
• Demonstrates deep product judgment and a focus on outcomes, with the ability to turn ambiguous healthcare constraints into clear, actionable technical plans.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Title:
Founding VP of Engineering (CTO Track) (£68,000 GBP + Equity) at iinvest.ai - AI-native trading platform

Job Title

Founding VP of Engineering (CTO Track)

Salary

£68,000 GBP + Equity

Company Description

iinvest.ai - Pre-seed AI-native operating system for the trading industry

Job Description

As the Founding VP of Engineering, you will architect and build an AI-native operating system for the trading industry from zero to one. You will lead hands-on development of real-time community tools, broker integrations, and embedded AI agents. This high-impact role offers a direct track to CTO as you scale the engineering team and standards.

Location

Remote

Why this role is remarkable

• Significant founding equity in a pre-seed, operator-led startup where ownership and authority are real.
• Explicit career path to Chief Technology Officer based on meeting delivery and scaling milestones.
• Opportunity to define the technical foundation for a complex, event-driven ecosystem combining fintech and AI.

What you will do

• Architect and ship the MVP with fintech-grade security, auditability, and distributed service boundaries.
• Lead the integration of MT4/MT5-style broker platforms into a stable, production-ready environment.
• Hire, train, and mentor a high-performing engineering team while establishing rigorous delivery standards.

The ideal candidate

• Senior leadership experience in early-stage startups with a focus on distributed microservices and real-time systems.
• Deep expertise in at least two domains: broker integrations, attribution/tracking systems, or production LLM orchestration.
• Strong business mindset with a track record of measuring technical success through revenue impact and shipped outcomes.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

Under $40/hr

Company Description

StrataBlue is an AI systems and consulting firm that builds production-ready AI solutions, including voice agents and workflow automation, for global clients. Moving beyond slide decks and prototypes, the firm delivers complex, working systems using a modern stack like n8n and Supabase to solve real-world business challenges.

Job Description

You will sit at the intersection of client consulting and production engineering, transforming vague requests into functional AI systems. You will scope projects, build complex workflows using n8n and Supabase, and direct an overseas development team to ensure delivery. This high-autonomy role requires a builder who unblocks others and thrives in a fast-paced environment.

Location

Remote

Why this role is remarkable

• Work on the bleeding edge of AI by building and deploying production-grade voice agents and automated workflows for diverse global clients.
• Experience extreme autonomy as a "builder-consultant" who owns the entire lifecycle from initial scoping calls to final implementation and system visibility.
• Scale your impact by directing an overseas dev team, managing project delivery, and building essential internal infrastructure like centralized logging and alerting.

What you will do

• Lead technical scoping calls with clients to translate fuzzy business requirements into detailed technical specifications for the engineering team.
• Build production-ready AI systems including 35+ node n8n workflows, Supabase backends, and sophisticated voice agent setups using Retell or Trillet.
• Manage and mentor an overseas development team by writing clear technical tickets, performing code reviews, and ensuring consistent delivery standards.

The ideal candidate

• Has 3+ years of professional experience shipping full-stack products and is comfortable working across every layer of the modern technical stack.
• Demonstrates exceptional communication skills with C2-level English, capable of managing client relationships and pushing back on unrealistic project scopes.
• Thrives in high-velocity environments like agencies or consultancies and can move from debugging production issues to writing actionable development tickets.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

VP of Data & AI / Head of AI/ML

Salary

£85k + Equity

Company Description

Seed-stage B2B AI platform

Job Description

As the first AI/ML hire, you will lead the data function, building production systems for entity resolution on 800M+ records and NLP extraction from business conversations. Working alongside the CTO, you’ll ship core intelligence that identifies high-intent buyer signals and facilitates double opt-in introductions for a next-generation sales engine.

Location

Remote (London/France preferred)

Why this role is remarkable

• Opportunity to lead the entire AI/ML function as the first dedicated hire in a high-growth startup environment.
• Well-funded by experienced founders with a track record in algorithmic matching and quant finance.
• Significant seed-stage equity offering a massive upside as you build a data moat that defines the product’s value.

What you will do

• Build and own production ML systems for entity resolution, signal ranking, and NLP on unstructured business data.
• Take full ownership of the data pipeline stack, from initial ingestion to delivering high-impact model outputs.
• Collaborate directly with the CTO to scale the AI engine and eventually build and lead a dedicated team.

The ideal candidate

• 5-8 years of experience building production ML systems (not research) with expertise in NLP or entity resolution.
• Proven background in Fintech or B2B sales intelligence, understanding buyer intent signals and contact graphs.
• Experience in 0-to-1 environments as an early ML hire who is comfortable writing code and shipping fast.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$160k-$200k + Equity

Company Description

TransVoix is a high-growth voice infrastructure platform building real-time multilingual translation that preserves vocal identity. After generating massive interest at CCW Vegas 2026 from industry leaders like Sinch and Five9, TransVoix is scaling its carrier-grade audio pipeline and launching a public SDK for global enterprise developers.

Job Description

As the first engineering hire at TransVoix, you will architect and scale a real-time audio pipeline serving enterprise contact centers and AI voice agents. You’ll own the transition to AWS, harden multi-tenant security, and design the versioned SDK that global developers will depend on for years.

Location

Phoenix, USA

Why this role is remarkable

• Incredible market pull: Major industry players including Sinch and Five9 are already requesting demos and SDK access following a breakout showing at CCW Vegas 2026.
• High-stakes ownership: You are the founding engineer with a clear path to CTO, owning everything from sub-second latency audio pipelines to the cryptographic voice provenance infrastructure.
• Advanced tech stack: Work with a sophisticated async Python/FastAPI backend and real-time audio components that outperform standard solutions, maintaining speaker identity across bidirectional translation.

What you will do

• Design and maintain the core voice pipeline ensuring sub-second latency and high-fidelity vocal cloning across 15+ languages using STT, translation, and TTS.
• Architect the public-facing developer SDK and sandbox environment, establishing the permanent API contracts that enterprise customers will use to integrate TransVoix capabilities.
• Lead the infrastructure migration to AWS using Terraform while implementing C2PA cryptographic provenance and SOC 2-ready multi-tenant security patterns across the platform.

The ideal candidate

• Deep production experience building carrier-grade voice pipelines, specifically handling WebRTC, WebSocket audio framing, and low-latency jitter management at an infrastructure-grade scale.
• Mastery of asynchronous Python (FastAPI/asyncio) and React/TypeScript, with a history of shipping stable, versioned APIs or SDKs for external developer consumption.
• Architectural mindset focused on multi-tenant security and Infrastructure as Code, capable of leading build-vs-buy decisions for self-hosted model inference and GPU infrastructure.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Member of Technical Staff, Infrastructure

Salary

$120K – $250K + Equity

Company Description

The Token Company is a $12M seed-stage startup backed by First Round Capital, NEA, and YC, building specialized machine learning models to compress LLM inputs. By identifying and removing unimportant data before it hits expensive models, they drastically reduce inference costs for high-scale enterprises and tech companies integrating LLMs into their production workflows.

Job Description

You will own the end-to-end cloud infrastructure for a high-performance compression API. This role involves building global, low-latency GPU ML inference systems that sit directly in the critical path of customer traffic. As a core member of a 5-person team, you will drive reliability, scalability, and cost-efficiency for a revolutionary AI product.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite 5-person team backed by $12M from top-tier investors like First Round Capital and founders of Dropbox, Slack, and Supercell.
• Solve critical infrastructure challenges for LLM efficiency, building the low-latency systems that enable enterprises to scale AI cost-effectively.
• Benefit from an unparalleled San Francisco living experience with provided housing, food, laundry, and cleaning services, plus full visa sponsorship.

What you will do

• Architect and manage global, high-throughput GPU inference infrastructure using AWS, Terraform, and Docker to ensure maximum performance and uptime.
• Own the entire infrastructure stack from initial deployment and CI/CD pipelines to long-term reliability and cost-efficiency research.
• Collaborate closely with research and product teams to integrate and scale compression models into a high-traffic production API.

The ideal candidate

• Demonstrated experience building and operating production-grade cloud infrastructure at scale using tools like AWS and Terraform.
• Strong background in managing containerized environments with Docker and establishing robust CI/CD pipelines for high-reliability systems.
• Proven ability to take end-to-end ownership of an infrastructure stack, ideally within a fast-paced startup or high-growth engineering environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Full Stack Developer

Salary

Not Disclosed + Equity

Company Description

AI-powered EdTech SaaS platform

Job Description

Join a fast-growing EdTech startup as a Senior Full Stack Developer, building an AI-driven student engagement platform. You will own features end-to-end using NestJS, React, and TypeScript, while managing deployments on AWS. This role offers the unique opportunity to shape the architecture of a product bridging the gap between education and employment.

Location

Portugal, Egypt, Morocco, or Greece

Why this role is remarkable

• Direct impact on global education outcomes using predictive analytics to identify at-risk students and improve career readiness.
• Early-stage opportunity with meaningful equity in a well-funded startup backed by a vision to connect schools, governments, and employers.
• High degree of autonomy and architectural ownership in a small founding team environment where your code ships fast.

What you will do

• Design and maintain scalable backend services using NestJS and TypeScript, incorporating Python scripting for data automation and operational efficiency.
• Develop high-performance frontend interfaces with React and TypeScript, ensuring a seamless user experience across web and mobile platforms.
• Manage full-cycle deployments and infrastructure scaling on AWS using Docker, Nginx, and Ubuntu Server to support growing client installations.

The ideal candidate

• 10+ years of professional full-stack experience with deep proficiency in Node.js frameworks, React, and relational databases like PostgreSQL.
• Strong hands-on experience in DevOps and cloud infrastructure management, specifically within AWS, Docker, and Linux server environments.
• A proactive problem-solver who thrives in startup environments, comfortable with end-to-end ownership from architectural definition to production deployment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

£86k-£250k+ + Equity

Company Description

Bending Spoons S.p.A. is a leading technology company that acquires and transforms established digital businesses like Evernote, WeTransfer, and Meetup to own and operate for the long term.

Job Description

You will build and evolve systems used by millions, taking full ownership from idea to production across a diverse tech stack including Python, Rust, and Kubernetes. At Bending Spoons S.p.A., you’ll integrate AI deeply into your development workflow to simplify architectures and maintain high standards for reliability and scale.

Location

Milan, Italy; Madrid, Spain; Warsaw, Poland; London, UK; Remote

Why this role is remarkable

• Work on iconic global products including Evernote, WeTransfer, and Meetup, impacting hundreds of millions of users daily through deep technical transformations.
• Join an elite, talent-dense environment with a 0.04% hiring rate, where early-career engineers frequently lead products worth hundreds of millions of dollars.
• Benefit from top-of-market European compensation, discounted company equity, and a generous relocation package that includes a potential 50% tax reduction in Italy.

What you will do

• Design, implement, and maintain high-scale software systems using a modern toolkit including Python, Rust, Docker, and Kubernetes, choosing the best tools for each challenge.
• Leverage advanced AI tools throughout the entire development lifecycle—from design and coding to testing and documentation—to maximize efficiency and maintain high standards.
• Relentlessly simplify complex architectures and pipelines to ensure systems remain maintainable and performant while evolving established products with the agility of a startup.

The ideal candidate

• Demonstrates exceptional first-principles reasoning and the ability to solve complex, unfamiliar problems with structural sharpness and extreme attention to detail.
• Exhibits intense ambition and ownership, holding themselves to a high and rising bar for technical excellence and impact within a demanding environment.
• Thrives in a collaborative, high-intensity team, prioritizing the best ideas over their own and showing a consistent willingness to support teammates to ensure collective success.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Account Executive (USA)

Salary

$300k-$340k OTE + Equity

Company Description

Maze is a $57M Series B cybersecurity startup backed by Theory Ventures and Cherry Ventures, building AI agents that automate vulnerability management.

Job Description

Join Maze as a Founding Account Executive to spearhead US sales for our AI-driven vulnerability management platform. You will own the full enterprise sales cycle, from outbound prospecting to closing $100k+ deals. This is a high-impact opportunity to shape the go-to-market strategy for a product already trusted by Fortune 200 companies and high-growth tech firms.

Location

Remote, USA

Why this role is remarkable

• Join the founding US sales team of a company that has raised ~$57M from top-tier investors like Theory Ventures, Cherry Ventures, and Tapestry VC.
• Sell a mission-critical AI solution that solves the vulnerability overload crisis, already deployed in production at Fortune 200 enterprises and high-growth technology firms.
• Work directly with a leadership team that successfully scaled Tessian to acquisition and has veteran experience at major scale-ups like Meta, Amazon, and Elastic.

What you will do

• Execute a full-cycle sales motion from creative outbound prospecting to closing complex enterprise deals exceeding $100k in annual contract value.
• Build and refine the US sales playbook from scratch, establishing Maze’s market presence without the initial support of an SDR team or pre-set playbook.
• Partner with security consultants to articulate how AI agents eliminate false positives and prioritize truly exploitable vulnerabilities for security teams and CISOs.

The ideal candidate

• Possesses 4-5+ years of enterprise closing experience, specifically selling cybersecurity or highly technical security products to practitioners and engineering leaders.
• Proven "pipeline machine" capability, demonstrating the ability to generate self-sourced opportunities through outbound strategies and networking without relying on inbound leads.
• Thrives in early-stage, ambiguous environments where they can transition seamlessly from high-level strategic planning to hands-on technical discovery and solution-based selling.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

£100k-£120k

Company Description

DigitalGenius is an AI-first company building proprietary agentic technology to transform customer experience for global ecommerce brands. Serving retail giants like On, Rapha, and Clarins, they are a high-growth London-based startup redefining automation. With a team of 57 across London and New York, DigitalGenius empowers brands to provide seamless, AI-driven support at scale.

Job Description

You will build the platform and backend services powering DigitalGenius's no-code automation engine and analytics platform. Working within a functional Scala stack, you will own the architecture of distributed systems, design scalable APIs, and integrate with third-party customer support tools. This role offers high autonomy to impact the core product used by major global retail brands.

Location

London, UK

Why this role is remarkable

• Work at the cutting edge of agentic AI, building a proprietary platform that powers the customer experience for world-class brands like AllSaints, Rapha, and Clarins.
• Join a high-growth startup environment where you have true ownership of distributed systems and architecture from day one, minimizing bureaucracy in favor of technical impact.
• Enjoy an exceptional benefits package including a £120k top-of-market salary, 34 days of annual leave, and dedicated budgets for AI training, lifestyle, and professional development.

What you will do

• Design and implement maintainable, scalable microservices and RESTful APIs using a modern functional Scala stack and the Typelevel ecosystem (http4s, Cats Effect, FS2).
• Architect the integration layer between third-party customer support tools and the proprietary DigitalGenius AI platform to ensure seamless, real-time agentic interactions.
• Collaborate directly with product stakeholders to build new features for the no-code platform, analytics engines, and internal data management functionality.

The ideal candidate

• You have at least 2 years of professional experience with Scala and a strong command of functional programming principles and the Typelevel library ecosystem.
• You possess hands-on experience with PostgreSQL, AWS, and infrastructure-as-code tools like Terraform to manage and deploy microservices-based distributed systems.
• You are a pragmatic engineer who reasons about software from first principles and takes genuine end-to-end ownership of the systems and features you deliver.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Chief of Staff, Commercial Strategy

Salary

Not Disclosed

Company Description

Deep-tech AI infrastructure startup

Job Description

Support the CEO in scaling a deep-tech startup by driving commercial strategy and high-stakes partnerships. You will craft compelling narratives, build executive-ready materials, and conduct deep-market research to accelerate growth. This high-leverage role acts as a bridge between technical and commercial teams, ensuring seamless deal execution and strategic alignment across global stakeholders.

Location

Oxford, UK and California, USA

Why this role is remarkable

• Directly partner with a high-profile founder to shape the company’s commercial trajectory and executive narrative.
• Join a well-funded Series A startup backed by top-tier VCs and a decade of specialized university research.
• Exceptional growth potential to transition from a Chief of Staff seat into a core commercial leadership position.

What you will do

• Drive the end-to-end preparation for CEO-led commercial meetings, including briefing notes, agendas, and stakeholder research.
• Develop high-quality pitch decks, memos, and tailored materials that translate complex technical concepts into sharp commercial narratives.
• Manage the commercial operating cadence, tracking deal pipelines and ensuring rigorous follow-through on complex strategic partnerships.

The ideal candidate

• 1-3+ years of experience in top-tier strategy consulting or a high-pace commercial strategy or BD role.
• Exceptional storytelling skills with a proven ability to create executive-level decks and written communications for diverse audiences.
• Strong analytical rigour and learning agility to quickly master complex markets such as AI infrastructure and hardware.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Machine Learning Engineer

Salary

Not Disclosed

Company Description

EQUALS is a high-growth music social network with 1 million monthly active users, backed by the top-tier investors behind Spotify, A24, and Facebook.

Job Description

As the first dedicated Machine Learning Engineer at EQUALS, you will own the core recommendation systems that power a platform with 1M MAUs and 40M friendships. You will build and scale end-to-end ranking, retrieval, and safety models, directly shaping how millions discover music and build communities through the world's most universal language.

Location

London, UK

Why this role is remarkable

• Directly impact a music-centric social graph that already sees higher engagement than Instagram and Snapchat among its 1 million monthly active users.
• Join an elite team of creatives and technologists from Nike, Instagram, and Apple, backed by the legendary investors behind Spotify, Facebook, and A24.
• Take total ownership of the full ML lifecycle—from data pipelines and candidate generation to production serving—without the constraints of a separate platform team.

What you will do

• Design and ship end-to-end ranking and retrieval models for content feeds, balancing engagement, discovery, and growth for artists and superfans.
• Build sophisticated people recommendation systems using social graph modeling and affinity analysis to spark millions of new friendships and connections.
• Develop and scale ML-driven trust and safety systems, including content classification and abuse detection, to protect a rapidly expanding global community.

The ideal candidate

• Proven experience shipping recommendation, ranking, or search systems at scale within a high-growth consumer social or music streaming environment.
• Deep technical proficiency in Python and the modern ML stack, with the ability to build and maintain your own data and serving infrastructure.
• A pragmatic, shipping-focused mindset that prioritizes iterative improvement and rigorous A/B testing over theoretical polishing in a vacuum.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer

Salary

$160k-$210k + Equity

Company Description

Bead AI is a venture-backed startup founded by ex-Meta and ex-11x.ai engineers building the trust layer for enterprise. We are replacing the $50B manual audit and compliance industry with real-time agentic AI, moving from quarterly manual checklists to continuous automated risk detection for Fortune 500 companies.

Job Description

Join Bead AI as our fourth hire to replace manual audit checklists with autonomous AI agents. As a Founding AI Engineer, you will architect the backbone of our core audit product, owning end-to-end workflows from data processing to deployment. You’ll shape product direction and ship real-time compliance solutions for paying enterprise customers.

Location

London, UK • San Francisco, USA

Why this role is remarkable

• True founding opportunity as the 4th team member, shaping the architecture and culture of a company attacking a $50B market from day one.
• Unique career path starting in a high-velocity London team before relocating to San Francisco in Fall 2026 with full visa support provided.
• Founded by elite talent from Meta and 11x.ai, the company already has paying enterprise customers and strong commercial traction with top-tier backing.

What you will do

• Develop and scale the backbone of a core audit product, replacing manual checklists with a fully agentic, real-time approach.
• Take complete ownership of end-to-end AI workflows, including data processing, model fine-tuning, evaluation, and production deployment.
• Collaborate directly with the founding team to set the product roadmap, balancing customer feedback with long-term technical health.

The ideal candidate

• Proven track record of shipping complex products end-to-end as a founding or early engineer at a high-growth startup.
• Pragmatic builder with experience launching agentic systems and LLMs in production, prioritizing proven methods to achieve immediate customer impact.
• High-agency individual who thrives in ambiguity, flourishes with autonomy, and has the long-term ambition to found their own company.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$140K - $250K + Equity

Company Description

Opal Security is a $59M funded leader in AI-native identity governance, backed by Greylock and Battery, providing intelligent access management for enterprise leaders like Databricks and Figma.

Job Description

Join Opal Security to build AI-native identity governance systems that scale with enterprise chaos. As a full-stack engineer, you will design and ship features from concept to production, solving complex IAM challenges for Fortune 500s. You will work closely with customers to architect secure, real-time control planes that empower rapid innovation without compromising security.

Location

San Francisco, USA

Why this role is remarkable

• Join a hyper-growth team where 60% of the workforce joined since 2026, led by an elite executive team from Meta, Nutanix, and Palo Alto Networks.
• Tackle the burgeoning "identity moment" by building the control plane for human, service, and AI agent identities used by industry leaders like Figma.
• Influence the entire product lifecycle in an environment that prioritizes thoughtful engineering and creative problem-solving over high-velocity ticket completion.

What you will do

• Own critical product areas end-to-end, from initial architectural design to shipping production-ready features across the full application stack.
• Collaborate directly with security teams at high-growth startups and global enterprises to validate solutions and understand real-world infrastructure challenges.
• Establish engineering patterns and write foundational code that multiplies team velocity and shapes how Opal Security scales its technical infrastructure.

The ideal candidate

• Proven experience building and shipping complex, end-to-end products across both frontend and backend in a fast-paced environment.
• Strong architectural thinking skills with the ability to thrive in undefined spaces and challenge requirements to find better technical outcomes.
• A genuine curiosity for IAM, security, or infrastructure, coupled with a desire to engage directly with customers to solve their pain points.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

Not Disclosed

Company Description

Chalkie is building the AI-enabled classroom of the future, scaling to £6m ARR in under 12 months as the fastest-growing AI edtech product in Europe.

Job Description

Join a high-output engineering team as the fourth hire to build tools helping 800,000+ teachers automate curriculum planning. You will spend 90% of your time building product features and 10% ideating with founders. This role requires a 0-to-1 builder mindset and a passion for transforming education through AI-powered software.

Location

Remote, UK

Why this role is remarkable

• Join as engineer #4 at Europe's fastest-growing AI edtech startup, which reached £6m ARR in less than a year.
• Directly impact the lives of over 800,000 teachers by building AI tools that eliminate burnout and automate resource creation.
• Work in a high-autonomy environment with 0-to-1 ownership, skipping top-down specs to shape the product roadmap alongside the founders.

What you will do

• Build and ship full-stack features using Next.js, TypeScript, and Laravel to serve a massive, rapidly growing user base.
• Collaborate daily with founders to ideate and prototype new AI-driven capabilities that transform how teachers manage their classrooms.
• Own the entire product lifecycle from initial concept to production deployment on Vercel and DigitalOcean infrastructure.

The ideal candidate

• Possesses 4+ years of professional full-stack experience and has successfully shipped products used by 1,000+ real-world users or enterprise clients.
• Demonstrates proven 0-to-1 builder DNA, thriving in fast-paced startup environments where rapid iteration and high-quality craft are essential.
• Is an AI enthusiast who leverages AI coding tools to accelerate development while focusing on building exceptional user-facing products.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer, Platform

Salary

$200k-$250k + Equity

Company Description

Duckbill is a $7.75M seed-funded San Francisco company backed by Heavybit and Uncork Capital, building Skyway to automate cloud cost management. Founded by domain experts with seven years of research, Duckbill provides the financial infrastructure used by AI labs and neoclouds to manage nine-figure infrastructure agreements.

Job Description

Join a high-impact team building Skyway, a financial platform for AI-native companies managing massive infrastructure costs. You will architect data systems processing hundreds of millions of billing rows using Python and ClickHouse. As one of the first ten engineers, you will own the infrastructure transforming unstructured cloud agreements into precise, actionable financial data.

Location

San Francisco, USA

Why this role is remarkable

• Direct impact on $10M+ compute decisions for the world's leading AI labs and neoclouds through your data models and financial engines.
• Backed by $7.75M from Heavybit and Uncork Capital with a massive competitive advantage derived from seven years of proprietary benchmark data.
• Massive autonomy in an engineering team of six where you will make foundational technical decisions and ship code to production daily.

What you will do

• Build and maintain streaming and batch data processing pipelines for hundreds of millions of rows using OTel, API pulls, and S3.
• Develop the contract application engine that reconciles complex, unstructured cloud agreements with real-time consumption data for mission-critical financial accuracy.
• Design multi-provider data models and partitioning strategies in ClickHouse to deliver sub-second performance on heavy analytical workloads for strategic finance leaders.

The ideal candidate

• Strong professional experience building large-scale data systems using Python, SQL, and OLAP databases like ClickHouse, Snowflake, or DuckDB.
• Deep understanding of ETL pipelines, lakehouse architectures, and the nuances of reconciling streaming versus batch data sources in high-precision environments.
• Self-directed engineer who thrives in high-autonomy environments and maintains a fastidious approach to data quality when no clear spec exists.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Presentation Designer — AI Training & Evaluation

Salary

$30–$90/hr

Company Description

Global AI-driven data platform

Job Description

Join a pioneering team improving how AI models generate professional visual content. You will act as a design expert, crafting detailed creative briefs and providing high-fidelity evaluations of AI-generated presentations. Your professional judgment in PowerPoint design will directly influence the next generation of AI-driven productivity tools for global enterprises.

Location

Remote

Why this role is remarkable

• Fully remote, asynchronous engagement with flexible hours providing excellent work-life balance.
• Well-funded startup backed by top-tier VCs focused on the frontier of AI model alignment.
• Unique opportunity to shape AI's understanding of aesthetics and professional design standards at scale.

What you will do

• Create professional-grade slides and design rubrics to calibrate AI model performance and quality.
• Write precise creative briefs and provide structured, actionable feedback on AI-generated design outputs.
• Evaluate complex visual hierarchies and typography within Microsoft PowerPoint to ensure professional standards.

The ideal candidate

• At least 5 years of professional presentation design experience with a focus on corporate or financial services.
• Absolute mastery of Microsoft PowerPoint, including layout, typography, and technical constraints.
• Exceptional ability to articulate design logic and critique through clear, written English.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Engineer

Salary

Equity Only

Company Description

Rebase is building an AI Operating System for the enterprise, deploying autonomous agents that operate within complex, legacy environments—such as decades-old ERPs and homegrown databases—to automate work end-to-end.

Job Description

You will build the foundational infrastructure and interfaces for Rebase, an AI Operating System designed for complex enterprise environments. Working across the full TypeScript stack, you'll develop autonomous agents that operate within legacy systems while ensuring data remains secure and traceable. This is a high-impact, founding-level role focused on solving hard engineering challenges.

Location

USA or UK (Hybrid)

Why this role is remarkable

• Work on a founding-level opportunity building "Private AI for Work," tackling the technical debt and legacy systems that modern AI tools usually cannot reach.
• Join an ambitious team at the ground floor with significant ownership of the product roadmap and direct influence on company direction through heavy equity.
• Build actual autonomous agent infrastructure that performs deep, traceable work in regulated environments, moving beyond simple AI wrappers to solve real-world enterprise problems.

What you will do

• Develop and ship end-to-end features using TypeScript, React, Node.js, and PostgreSQL to support autonomous agent operations within customer infrastructure.
• Architect and build secure APIs and interfaces that allow AI agents to interact with decades-old ERPs, homegrown databases, and regulated legacy systems.
• Collaborate on AI infrastructure, implementing RAG pipelines and LLM integrations that prioritize fact-grounding and traceability for enterprise B2B customers.

The ideal candidate

• Brings 3–5 years of experience shipping enterprise B2B products end-to-end, with a proven ability to manage complex UI, backend, and database architectures.
• Possesses deep proficiency in the TypeScript ecosystem (React, Node.js) and PostgreSQL, ideally with experience in high-growth startups and Next.js or GraphQL.
• Has hands-on experience building production-grade AI infrastructure, including autonomous agents or ML pipelines, rather than simple API wrappers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Fullstack Kotlin Engineer

Salary

Not Disclosed

Company Description

Leading technology-enabled healthtech platform

Job Description

As a Fullstack Kotlin Engineer, you will drive the technical strategy for a pioneering remote care platform. You will build backend services, web portals, and Android robot applications entirely in Kotlin. This role is pivotal in migrating to a V2 architecture, integrating advanced AI capabilities, and scaling technology that measurably improves lives.

Location

Remote, UK

Why this role is remarkable

• Work on mission-driven technology that combines robotics, virtual care, and AI to help vulnerable individuals live independently.
• Join a well-funded scale-up with national reach, offering the agility of a startup with the stability of an established provider.
• Lead architectural decisions and technical roadmaps while leveraging agentic coding tools and AI-assisted development to maximize velocity.

What you will do

• Drive technical strategy and own the architecture roadmap for backend services, web portals, and Android applications.
• Develop and scale the platform's V2 architecture, integrating AI features like predictive alerts, falls detection, and conversational triage.
• Collaborate with operations and IoT teams to integrate medical devices and translate real-world care feedback into platform improvements.

The ideal candidate

• Professional experience with idiomatic Kotlin across backend (Ktor/Spring Boot), web (Compose for Web), and Android targets.
• Demonstrated ability to form and execute technical strategy, including architectural decisions and build-vs-buy analysis in regulated environments.
• Fluency with AI-assisted development tools (Cursor, Claude, or Copilot) and a bias for action in fast-paced engineering cultures.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Brand & Marketing Director

Salary

Not Disclosed

Company Description

Go Ape is a nationally recognized outdoor leisure brand and employee-owned trust operating a diverse network of forest adventure locations across the UK, delivering high-quality, experience-led activities centered on challenge, connection, and time in nature.

Job Description

Lead Go Ape’s brand marketing function across national and local activity, overseeing campaign planning, content, PR, and paid acquisition. You will be the senior custodian of the brand, ensuring it remains distinctive and commercially effective while influencing product propositions to grow audience relevance and lifetime value across every customer touchpoint.

Location

Bury St. Edmunds, UK

Why this role is remarkable

• Shape the future of a beloved British brand as it transitions into a Trust-led, employee-ownership model, prioritizing long-term value and organizational sustainability.
• Join a business at a strategic inflection point where small improvements in brand clarity and creative effectiveness will unlock significant headroom for growth.
• Balance creative freedom with commercial impact, leading an in-house team of 12 to capture the emotional resonance of outdoor adventure for millions of customers.

What you will do

• Direct the national and local marketing strategy, balancing always-on activity with peak trading moments to ensure the brand remains culturally relevant year-round.
• Build a powerful in-house content engine across social, influencer, and earned media to translate physical adventures into shareable, high-impact customer narratives.
• Collaborate with the Executive team to influence product and proposition design, ensuring operational delivery remains tightly aligned with the brand promise and customer expectations.

The ideal candidate

• Proven senior brand leadership experience in a consumer-facing sector such as leisure, hospitality, or travel, with a track record of driving demand through creative excellence.
• Deep expertise in connecting organic content, PR, and social strategies with paid acquisition to build a cohesive, commercially grounded marketing ecosystem.
• Highly collaborative leader who can navigate multi-site operational complexities and challenge the status quo to maintain brand standards across diverse geographic locations.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Security Engineer

Salary

Not Disclosed

Company Description

Decentralized blockchain infrastructure platform

Job Description

As a Security Engineer, you will join a specialized team dedicated to securing high-stakes blockchain infrastructure. You will audit Rust code, implement automated security analysis using ML models, and manage bug bounty programs. This contract role impacts a major open-source ecosystem by embedding security best practices across the entire stack.

Location

Remote

Why this role is remarkable

• Lead security efforts for a massive, high-impact open-source blockchain ecosystem used globally.
• Work at the intersection of deep systems engineering and advanced security research, including ML-driven analysis.
• Join a well-funded, top-tier decentralized tech organization with a mission to redefine the internet.

What you will do

• Conduct manual and automated code reviews of complex Rust-based software and runtime environments.
• Build and maintain sophisticated machine learning models for anomaly detection and automated security scanning.
• Manage and triage vulnerability submissions from bug bounty programs to ensure rapid resolution of critical issues.

The ideal candidate

• Possesses extensive experience in secure software engineering, specifically with the Rust programming language.
• Demonstrates a deep understanding of cryptography, distributed systems, and modern security auditing techniques.
• Has experience building or deploying machine learning models for automated analysis or anomaly detection.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Finance & Consulting Expert (AI Training)

Salary

$60-$130/hr

Company Description

Venture-backed AI evaluation platform

Job Description

You will train and evaluate advanced AI models on complex business logic, financial modeling, and strategic reasoning. This involves creating high-standard professional materials, defining evaluation rubrics, and judging model outputs. You will help bridge the gap between human expertise and machine intelligence, ensuring AI systems meet the rigorous standards of top-tier professional services.

Location

Remote (Global)

Why this role is remarkable

• Influence the development of next-generation AI models by applying high-level expertise to complex financial and strategic tasks.
• Benefit from a fully remote, asynchronous engagement backed by top-tier venture capital, offering professional flexibility and competitive pay.
• Join an elite network of professionals from prestigious backgrounds dedicated to elevating the quality and reasoning of AI outputs.

What you will do

• Develop expert-level prompts and gold-standard answers for corporate finance, strategy, and valuation tasks to train AI models.
• Create and review sophisticated PowerPoint presentations and financial documents to establish high-quality benchmarks for model performance.
• Evaluate AI-generated outputs against detailed rubrics, providing structured written feedback to improve model reasoning and accuracy.

The ideal candidate

• Has 3+ years of experience in management consulting, investment banking, private equity, or high-standard corporate finance environments.
• Demonstrates exceptional hands-on PowerPoint skills and the ability to translate complex data into clear, decision-useful visual narratives.
• Possesses strong analytical judgment and the ability to articulate precise professional standards in structured, fluent written English.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Product Engineer

Salary

90K–150K CHF + Equity

Company Description

$8M YC-backed biotech startup automating protein design for frontier AI labs

Job Description

You will build the orchestration layer that allows AI agents to run real biology experiments in automated labs. Working across a TypeScript and Node stack, you'll bridge the gap between AI models and physical hardware, creating systems for real-time experiment visibility, scheduling, and automated troubleshooting for world-leading biopharma and research partners.

Location

Lausanne, Switzerland

Why this role is remarkable

• Impact the frontier of agentic science by building the physical infrastructure that enables AI models to design and test novel proteins and materials.
• Join a high-growth team backed by YC, ACE Ventures, and Founderful, serving massive demand from biopharma giants and frontier labs like Microsoft Research.
• Significant ownership and equity in a fast-growing startup where software engineers directly influence physical-world scientific outcomes and lab automation architecture.

What you will do

• Build the LabOS orchestration layer to coordinate complex dependencies between lab instruments, experiment scheduling, and data capture.
• Develop custom AI agents and tooling that automate decision-making across the entire experiment lifecycle, from protocol design to failure analysis.
• Turn proprietary hardware into API-controllable devices, enabling software and AI agents to operate sophisticated lab equipment programmatically.

The ideal candidate

• Proven full-stack experience with TypeScript, React, Node, and Postgres, with a track record of shipping production-grade software.
• Strong product instinct and the ability to operate autonomously, starting from high-level goals rather than rigid technical specifications.
• Enthusiastic about the intersection of software and biology, with a workflow heavily integrated with AI tools to accelerate development.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Title:
Frontend Engineer ($160K–$250K + Equity) at Greptile - Benchmark-backed AI Review Layer

Job Title

Frontend Engineer

Salary

$160K–$250K + Equity

Company Description

Greptile - Benchmark & YC-backed AI code review layer

Job Description

As Greptile's first dedicated Frontend Engineer, you will own the entire product experience for 7,000+ companies. You'll build the TypeScript/React dashboard that reviews one billion lines of code monthly for customers like Nvidia and Coinbase. This is a foundational role in a talent-dense, in-person team building the future of autonomous code validation.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-growth startup backed by $30M from Benchmark, YC, and Paul Graham, currently growing 25–30% month-over-month as the standard AI review layer.
• Take full ownership of the user interface for a product relied upon by thousands of developers at world-class engineering organizations like Brex and Zapier.
• Work in a talent-dense environment in North Beach, SF, alongside former Stripe, Facebook, and Figma engineers who value high-speed shipping and in-person collaboration.

What you will do

• Architect and maintain the Greptile dashboard and customer-facing analytics using TypeScript and React to provide engineering leaders with deep visibility into code quality.
• Partner closely with the design engineer to iterate on and ensure a fast, consistent, and beautiful frontend experience across the entire application.
• Build autonomous agents that learn idiosyncratic coding standards and identify high-signal PR feedback to reduce noise for thousands of enterprise developer teams.

The ideal candidate

• 3–7 years of professional frontend experience with deep, production-level expertise in TypeScript and ReactJS.
• A strong sense of craft and design taste, with a track record of building beautiful, high-performance UIs at design-forward companies or through complex personal projects.
• Thrives in high-growth, in-person environments and possesses a B.S. in Computer Science or an equivalent degree from a top-tier institution.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Backend Engineer

Salary

£65k-£75k + Equity

Company Description

Fast-growing accounting-tech SaaS startup

Job Description

You will join as a core engineer responsible for building automation and AI features that eliminate manual financial workflows. Working directly with the CPTO, you will design scalable, dependable backend systems and contribute to product hypotheses. This is a high-impact role in a lean team where your code ships to customers rapidly.

Location

London, UK

Why this role is remarkable

• Join a category leader that recently passed a major revenue milestone and is doubling its headcount to accelerate growth.
• Enjoy high ownership and visibility as the fourth engineer in a technical team led by experienced repeat founders.
• Benefit from a culture of personal development with a dedicated budget and time for learning complex financial domains.

What you will do

• Develop and maintain core backend services using Spring Boot, Java/Kotlin, and Ruby on Rails.
• Collaborate across the business to translate user needs into pragmatic, well-tested technical solutions.
• Contribute to small frontend features in React to ensure seamless end-to-end product delivery.

The ideal candidate

• Proven experience as a backend engineer in a fast-paced startup environment with strong JVM or Rails skills.
• A pragmatic problem-solver who enjoys wearing multiple hats and building 80/20 solutions for rapid testing.
• Based in the UK and able to commute to Central London at least one day per week.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Chief Technology Officer

Salary

£100k-£140k + Equity

Company Description

VC-backed B2B marketplace scale-up

Job Description

You will lead the technology strategy for a fast-growing marketplace, scaling the platform and team through a 10x revenue journey. Inheriting a 40-person product and engineering function, you will evolve architecture, implement advanced data and AI capabilities, and partner with the CEO to drive commercial success and operational excellence.

Location

London, UK

Why this role is remarkable

• Lead a 10x growth phase for a marketplace with strong unit economics and a proven business model.
• High-impact executive role balancing board-level strategy with hands-on architectural leadership and team building.
• Well-funded scale-up backed by top-tier VCs with a clear roadmap to becoming a market leader.

What you will do

• Evolve the marketplace platform and architecture to handle massive order volume increases with high reliability.
• Scale the product and engineering organization, including hiring a new leadership layer and improving delivery speed.
• Lead data and AI initiatives for demand forecasting, personalized discovery, and internal operations automation.

The ideal candidate

• Proven experience scaling technology and engineering teams through high-growth cycles in B2B or marketplace businesses.
• Strong technical credibility with the ability to challenge architectural decisions while maintaining a commercial operator's mindset.
• Hands-on experience with applied AI and data platforms to drive measurable business outcomes and operational efficiency.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

Not Disclosed + Equity

Company Description

Early-stage consumer healthtech startup

Job Description

Join as the first engineer to build a mobile-first fitness platform from the ground up. You will own the entire technical stack, making key architectural decisions while shipping fast in an AI-assisted environment. Working closely with a notable founder and fractional CTO, you will transform early insights into a high-impact product.

Location

London, UK

Why this role is remarkable

• Full ownership of a greenfield project with the autonomy to select the tech stack and shape the product architecture.
• High-growth potential with a recognizable founder and a strong distribution strategy already in place from day one.
• Mission-driven work focused on improving wellness for a significant, underserved demographic through an adaptive fitness platform.

What you will do

• Lead the end-to-end development of a mobile-first consumer application using TypeScript and modern managed cloud services.
• Collaborate with founders to translate product vision into scalable technical features while maintaining high security and data standards.
• Implement AI-assisted development workflows to accelerate shipping cycles and maintain a high bar for product quality.

The ideal candidate

• 4–7 years of full-stack experience with a proven track record of shipping consumer-facing mobile or web applications.
• Strong product instinct with the ability to communicate technical trade-offs clearly to non-technical team members.
• Proficiency in TypeScript and modern frameworks like React Native, with a preference for low-ego, early-stage ambiguity.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$200k + Equity

Company Description

Series A industrial deeptech startup

Job Description

Join a well-funded startup miniaturizing lab-grade technology into real-time industrial sensors. You will build the backend services and platform infrastructure powering trace analysis for critical machinery. This role involves developing scalable Python services on AWS, ensuring robust data handling, and collaborating on-site to solve complex hardware-software integration challenges.

Location

San Francisco, USA

Why this role is remarkable

• Work on a unique hardware-software-data challenge miniaturizing lab-grade spectroscopy for real-time industrial monitoring.
• Join a high-agency, Series A team backed by top-tier VCs with significant capital to solve hard problems.
• Direct visibility and impact as your code identifies critical machine failures before they occur in the field.

What you will do

• Design and build scalable, reliable backend services in Python that handle sensitive industrial diagnostic data.
• Contribute to and improve AWS-based cloud infrastructure to keep systems performant, secure, and maintainable.
• Apply security best practices throughout the development lifecycle to handle sensitive data with extreme care.

The ideal candidate

• Strong proficiency in Python with solid experience building and operating production-grade backend and platform systems.
• Practical experience with cloud platforms, distributed infrastructure, and designing APIs for complex data environments.
• A security-conscious approach to development and a commitment to five-day in-office collaboration in San Francisco.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

Not Disclosed

Company Description

Den is a New York-based crypto infrastructure company securing the largest organizations in the global crypto economy. Backed by IDEO CoLab Ventures and top crypto investors, Den provides institutional-grade wallet infrastructure for over 800 teams, including Lido and Worldcoin, having processed over $10B in transaction volume to date.

Job Description

As a Software Engineer at Den, you will build full-stack web applications that secure billions in assets for leading crypto institutions. Working directly with technical co-founders, you'll ship critical features across the TypeScript stack and help define the engineering culture as transaction volumes scale from $1B toward $18T.

Location

New York, USA

Why this role is remarkable

• Join a high-growth crypto infrastructure leader that saw transaction volume explode from $1B in 2024 to $7.5B in 2025.
• Work directly with technical founders from ConstitutionDAO who have deep experience in smart contract development and scaling backend infrastructure.
• Contribute to a mission-critical platform trusted by industry giants like Lido and Worldcoin to secure their most vital on-chain deposits.

What you will do

• Develop and scale full-stack applications using TypeScript, Next.js, and Node.js to facilitate secure, high-volume institutional crypto transactions.
• Collaborate with the co-founders to architect new features and make foundational technical decisions for the core wallet infrastructure.
• Bridge the gap between complex blockchain protocols and seamless user experiences using tools like Viem, Prisma, and PostgreSQL.

The ideal candidate

• Possesses 1-4 years of experience shipping production-grade code with a strong proficiency in TypeScript and the modern React/Node ecosystem.
• Demonstrates an insatiable curiosity for crypto and the ability to execute at high speeds in a fast-paced, high-ownership environment.
• Combines technical excellence with project management skills and the ability to make architectural decisions that will scale with the company.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He’ll make sure you are considered for this role, and help you find others if you ask.

Title:
Full-Stack Software Engineer at Fast-growing voice AI startup

Job Title

Full-Stack Software Engineer

Salary

Not Disclosed

Company Description

Fast-growing voice AI startup

Job Description

Join a stealth startup building the next generation of voice AI products for small businesses. As a Full-Stack Software Engineer, you'll have high ownership, directly contributing to our voice AI platform's product experience. We seek a driven, product-minded engineer ready to make an immediate impact from day one.

Location

Remote

Why this role is remarkable

• High degree of ownership and direct impact on a cutting-edge voice AI product.
• Opportunity to shape the foundational technology of a next-generation platform.
• Work with a lean, agile team in a fast-paced, innovative startup environment.

What you will do

• Develop and implement features across the full stack using Node.js and Next.js.
• Integrate with various 3rd party systems like payments, CRMs, and scheduling software.
• Contribute to a best-in-class voice experience for business owners.

The ideal candidate

• 2+ years of software engineering experience with Node.js, Next.js, and JavaScript frameworks.
• Strong product sense and an appreciation for well-designed products and apps.
• Excellent English communication skills and a relevant degree in Computer Science or related field.

How to Apply:

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engineering Lead

Salary

£120k-£150k + Equity

Company Description

Attio.com is a $116M Series B startup building the CRM for the AI era, backed by GV, Redpoint, and Balderton.

Job Description

As an Engineering Lead, you will drive technical excellence by spending 80% of your time coding and 20% leading a high-performing squad of 4-6 engineers. You’ll design scalable backend systems in Node.js/TypeScript or Go, handle massive event volumes, and collaborate directly with customers to shape the future of GTM infrastructure.

Location

London, UK (Hybrid) / Remote (UK, DE, PL, PT, IE)

Why this role is remarkable

• Build the infrastructure for a $130B market alongside leadership from Google Cloud and Snyk, operating with high autonomy and minimal process.
• Join a hyper-growth trajectory with 10x ARR growth in 24 months and $116M in funding from elite investors like GV and Redpoint.
• Enjoy a "builder-first" culture where engineers work directly with customers and hold an exceptionally high bar for craft and shipping speed.

What you will do

• Design and evolve a technical architecture capable of processing over 250,000 events per minute on GCP and AWS.
• Contribute 80% of your time as a hands-on IC across the stack using Node.js, TypeScript, Go, or React.
• Mentor and grow a focused team of 4-6 engineers, raising the technical bar and driving end-to-end feature delivery.

The ideal candidate

• Proven experience designing secure, reliable, and scalable backend systems at a high-growth SaaS or developer tools company.
• Deep technical expertise in Node.js/TypeScript, Go, or React, with recent experience building in production cloud environments (GCP/AWS).
• Demonstrated aptitude for technical leadership and a passion for crafting products that delight users through rigorous engineering and attention to detail.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Developer (Azure-Focused)

Salary

Not Disclosed

Company Description

worx-ai is an innovative technology firm specializing in enterprise-scale AI solutions built on the Microsoft Azure ecosystem. The company focuses on deploying cutting-edge Generative AI and Retrieval-Augmented Generation (RAG) applications, helping organizations leverage Azure OpenAI and advanced machine learning models to automate complex business processes and drive intelligence at scale.

Job Description

As an AI Developer at worx-ai, you will lead the design and deployment of sophisticated AI/ML solutions within the Azure cloud environment. You will build RAG-based applications, optimize LLMs, and implement robust MLOps pipelines. This role is pivotal in bridging the gap between raw data and actionable enterprise intelligence using Azure’s premier AI services.

Location

Remote (US, Canada, India)

Why this role is remarkable

• You will work at the cutting edge of Generative AI, implementing RAG solutions and AI agents using the full suite of Azure OpenAI and Cognitive Services.
• worx-ai provides an environment where you can scale AI solutions for enterprise-level impact, moving beyond prototypes to production-ready cloud-native architectures.
• The role offers significant ownership over the MLOps lifecycle, allowing you to define best practices for automated model testing, monitoring, and retraining at scale.

What you will do

• Design and deploy Generative AI and LLM-powered applications utilizing Azure OpenAI Service and Retrieval-Augmented Generation (RAG) frameworks.
• Develop and maintain automated machine learning pipelines (MLOps) using Azure DevOps and Azure Machine Learning for scalable model management.
• Integrate complex AI solutions with cloud-native services including Azure Functions, Kubernetes (AKS), and Azure AI Search to support high-performance microservices.

The ideal candidate

• Possesses over 5 years of professional experience in AI/ML development, with a deep mastery of Python and frameworks like PyTorch or TensorFlow.
• Demonstrates extensive hands-on expertise with the Azure ecosystem, specifically Azure Machine Learning, Azure OpenAI, and cloud-native integration tools like AKS.
• Holds a strong background in MLOps and CI/CD, with proven experience building and deploying enterprise-scale AI applications and secure data processing workflows.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Account Executive

Salary

€50k-€90k + Equity

Company Description

Metly.ai is a well-funded, AI-native company building the intelligence layer for the pharmaceutical industry. Backed by an oversubscribed pre-seed round from leading European investors and former BMS leadership, we are centralizing fragmented pharma knowledge to help BD&L and portfolio strategy teams automate high-stakes decision-making workflows at market speed.

Job Description

As the first dedicated go-to-market hire, you will build and own Metly.ai’s entire commercial motion from the ground up. You will manage full-cycle deals from mid-market to enterprise pharma accounts, create the foundational sales playbook, and work directly with the founders to define our category-leading market presence and drive industry-wide adoption.

Location

Remote, Europe or USA

Why this role is remarkable

• True founding ownership: As the first sales hire, you aren't just following a playbook; you are architecting the entire go-to-market strategy for a high-growth startup.
• Elite backing and traction: Join an oversubscribed pre-seed stage company backed by prominent European VCs and industry titans, including former executive leadership from Bristol Myers Squibb.
• Category-defining AI: Sell a sophisticated, AI-native platform that solves the massive problem of fragmented intelligence within the complex global pharmaceutical and biotech landscape.

What you will do

• Execute full-cycle sales end-to-end, moving from initial prospecting and consultative discovery in mid-market pharma to closing complex enterprise-level agreements.
• Establish the commercial foundation by building CRM systems, pipeline tracking, and first-edition sales playbooks to enable future team scaling.
• Act as a market-facing representative at major industry events, gathering structured feedback to directly influence product development alongside the founding technical team.

The ideal candidate

• Brings 8-10+ years of B2B sales experience with a proven track record of closing mid-market and enterprise deals, ideally within the life sciences sector.
• Possesses deep pharma-native fluency, understanding the specific needs of BD&L, portfolio strategy, and market access personas across the C-suite and analyst levels.
• Demonstrates early-stage grit and builder mentality, having previously succeeded as an early sales hire or by selling products without an established brand or playbook.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding GTM Leader

Salary

Not Disclosed

Company Description

Trenta is an early-stage startup building the universal intelligence layer for the $200B global audit and advisory industry, led by founders with deep compliance and SaaS expertise.

Job Description

As the founding GTM leader at Trenta, you will build the global sales organization from scratch. You will transform early practitioner enthusiasm into a repeatable revenue engine, landing top-20 audit firms and Fortune 500 accounts. This zero-to-one role offers the chance to define strategy and shape an AI product modernizing a legacy industry.

Location

Remote, USA

Why this role is remarkable

• Founding member status with meaningful equity and the chance to build a global sales organization from the ground up in a massive $200B market.
• Proven product-market resonance with existing practitioner endorsements from partners at major firms like Frank Rimerman and RubinBrown, providing a head start on validation.
• Work directly with serial entrepreneur founders who have deep expertise in IT compliance and a history of building successful SaaS products at companies like Druva.

What you will do

• Own the end-to-end go-to-market strategy, landing initial enterprise customers and expanding within top-20 audit firms and Fortune 500 internal audit groups.
• Build the commercial organization from scratch, including hiring top talent, designing repeatable sales processes, and creating the company's first sales playbook.
• Partner with the engineering and product teams to translate customer feedback and market insights into features for the next generation of AI-native audit tools.

The ideal candidate

• Holds a professional certification such as a CPA, CISA, or CIA and has experience in client-facing roles at a Big 4 or top-20 audit firm.
• Demonstrated track record of building revenue from zero as a founding sales hire or within an early-stage B2B SaaS startup environment.
• Strategic leader capable of navigating high-ambiguity environments, moving from hands-on individual selling to architecting a global sales culture and team.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Media Buyer (Freelance)

Salary

£3,600/month (£450/day)

Company Description

Specialist growth marketing consultancy

Job Description

You will own end-to-end performance marketing for B2B and SaaS clients with complex sales cycles. Managing six-figure monthly budgets across Google and Meta, you'll set strategy and optimize for high-value conversions. This remote, part-time freelance role offers high autonomy, working alongside senior operators who value strategic thinking and technical depth.

Location

Remote, UK/EU

Why this role is remarkable

• Work alongside seasoned senior operators with 12+ years of experience in a high-trust, peer-to-peer environment.
• Manage substantial six-figure monthly budgets for strategic B2B and SaaS clients rather than high-churn D2C accounts.
• Enjoy full ownership over budget allocation and testing strategies within a lean, remote-first operational structure.

What you will do

• Manage and optimize £100k+ monthly budgets across Google Ads, including Search, Shopping, PMax, and YouTube.
• Collaborate on full-funnel strategies involving conversion rate optimization, CRM integrations, and lead quality improvements.
• Act as a strategic partner to clients, identifying growth opportunities and pushing the boundaries of campaign performance.

The ideal candidate

• Proven experience managing £100k+ monthly budgets in Google Ads, specifically within B2B or SaaS environments.
• A self-sufficient freelance background with the ability to manage client relationships and strategy autonomously.
• Deep technical knowledge of full-funnel marketing, attribution modeling, and the nuances of long-cycle sales funnels.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Software Engineer

Salary

£100k–£140k + Equity

Company Description

Fleek is a ~$50M Series B startup backed by a16z and Y Combinator, building the AI-native infrastructure for the $350B global secondhand fashion market.

Job Description

You will join the Growth squad to own the core ecommerce journey, building backend systems for discovery, payments, and seller tools. Reporting to the CTO, you'll integrate the proprietary FleekSort AI classification engine into a marketplace handling millions of items. This role is about digitizing a broken, manual supply chain at global scale.

Location

London, UK

Why this role is remarkable

• Work on a genuinely novel technical challenge by integrating FleekSort, a custom AI model (not a GPT wrapper) that digitizes opaque secondhand inventory.
• Join a hyper-growth company tripling year-on-year with ~$50M in funding from top-tier investors like a16z, Y Combinator, and HV Capital.
• Deliver massive environmental impact by building systems that have already saved 9 million items from landfills and are scaling to serve thousands of global retailers.

What you will do

• Architect and own the end-to-end ecommerce journey, including item discovery, search, multi-currency payment systems, and credit infrastructure.
• Design and scale backend services to handle over 1 million unique items per month, connecting AI grading engines to real-time marketplace workflows.
• Collaborate in a senior product squad to translate complex international logistics and supply chain challenges into reliable, high-performance software.

The ideal candidate

• Has 6-10 years of professional backend experience, ideally using Node.js and TypeScript, with a proven track record of shipping high-traffic production systems.
• Possesses a product engineering mindset from a consumer-facing marketplace or fintech background, focusing on commercial outcomes rather than just infrastructure.
• Thrives in early-stage, fast-paced environments (Seed to Series B) and utilizes AI tools like Cursor or Copilot as a force multiplier in their workflow.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Development Team Lead

Salary

$180k-$220k

Company Description

Kyckr.com is a leading B2B API platform providing real-time access to corporate registries across 120 countries for banks and fintechs. Named a Category Leader for KYC Data Solutions by Chartis Research, they are currently scaling their next-generation Registry Hub architecture with a focus on agentic AI-assisted development.

Job Description

Join Kyckr.com as a Development Team Lead in this 80/20 player-coach role. You will lead a team of four while remaining deeply hands-on with .NET/C# and SQL Server. You'll drive the adoption of agentic AI workflows using Claude Code and build resilient integrations connecting 300+ global corporate registries for mission-critical compliance.

Location

Remote, Australia

Why this role is remarkable

• Scale a platform named a Category Leader by Chartis Research that powers compliance and AML workflows for major global banks and fintechs.
• Lead the charge on AI-first development, moving beyond experimentation to make agentic workflows using Claude Code a core part of the engineering DNA.
• Enjoy high autonomy and direct impact reporting to the CTO in a remote-first culture with low bureaucracy and high trust.

What you will do

• Write high-quality .NET/C# code for the Registry Hub, owning the design and delivery of complex features from end-to-end.
• Build and maintain resilient integrations with 300+ international corporate registries, ensuring high data quality and reliability for regulatory workflows.
• Mentor a team of four developers, managing their performance and career growth while unblocking delivery through pragmatic, high-ownership leadership.

The ideal candidate

• Possesses 7–10 years of professional experience in .NET/C# and SQL Server, with a track record of building production-grade distributed systems.
• Has experience or a deep interest in leading and mentoring engineers, comfortably balancing hands-on technical work with people management.
• Demonstrates proficiency with AI-assisted development tools like Claude Code or GitHub Copilot and a passion for optimizing engineering velocity through AI adoption.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Frontend Engineer

Salary

Not Disclosed

Company Description

Stealth AI-powered retention startup

Job Description

As a Frontend Engineer at this stealth AI startup, you will architect and own the user-facing side of products designed to solve subscriber churn. Working alongside high-caliber founders, you'll build robust, scalable interfaces using React and TypeScript. This role offers high autonomy to shape the frontend culture and drive the adoption of modern technologies in a fast-paced environment.

Location

San Francisco, USA

Why this role is remarkable

• High autonomy as an early hire, directly influencing the product roadmap and frontend architecture from day one.
• Backed by top-tier venture capital and founded by experienced leaders who have scaled products to millions of users.
• Solving a critical revenue problem—consumer churn—for real brands using cutting-edge AI agent technology.

What you will do

• Architect and build robust, scalable user interfaces for new product features using modern frameworks.
• Collaborate directly with backend, product, and design teams to deliver integrated, high-performance solutions.
• Drive the adoption of frontend best practices and shape the engineering culture from the ground up.

The ideal candidate

• Professional experience in frontend development with strong JavaScript/TypeScript and React skills.
• Proven ability to integrate complex frontend applications with backend APIs while maintaining performance.
• Strong understanding of UI/UX principles and a passion for building intuitive, high-quality user experiences.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Product Engineer

Salary

£135k-£170k + Equity

Company Description

$116M Series B AI-native CRM startup backed by GV and Redpoint

Job Description

You will solve the most complex technical challenges for a next-generation CRM built for the AI era. As a Staff Product Engineer, you will drive technical strategy across teams, designing robust cloud-native systems while mentoring high-caliber talent. You’ll balance technical excellence with business delivery to build a tool that empowers ambitious global GTM teams.

Location

Remote, UK

Why this role is remarkable

• Work at the frontier of AI-native architecture with a high-performance team backed by world-class investors like GV, Redpoint, and Balderton.
• Take a high-impact leadership role where you influence the fundamental infrastructure and technical standards of a platform disrupting the CRM market.
• Enjoy a craft-focused culture that prioritizes deep technical rigor, exceptional user experience, and frequent international team off-sites to locations like Barcelona and Lisbon.

What you will do

• Provide technical leadership for critical infrastructure, ensuring the platform remains reliable, scalable, and secure as the user base grows.
• Mentor and coach a world-class engineering team, fostering a growth mindset and raising the bar for software operations in the age of AI.
• Collaborate across the organization to make strategic trade-offs between rapid delivery and architectural perfection, optimizing for customer value and business growth.

The ideal candidate

• Demonstrates first-class technical execution in distributed, cloud-native systems with a proven ability to think in complex systems rather than just code.
• Possesses a track record of technical leadership, having successfully broken down large, ambiguous problems into executable goals for other engineers to own.
• Maintains a product-first mindset with strong opinions on UX, using data and customer insights to build features that are uniquely valuable to users.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Engineering

Salary

$225k-$325k + Equity

Company Description

BUILD, Inc. is a high-growth AI startup backed by Index Ventures and leaders from Blackstone and OpenAI. Founded in late 2024, they are building an agentic AI stack for institutional real estate, already generating 7-figure revenue and automating complex development workflows 90% faster for global asset managers.

Job Description

As Head of Engineering, you will own the technical execution of Build’s agentic AI platform. You’ll architect scalable systems, lead a high-output engineering team, and encode complex real estate domain logic into production-grade software. This hands-on leadership role is critical for scaling a product that institutional clients trust with multi-billion dollar decisions.

Location

San Francisco and New York City, USA

Why this role is remarkable

• Join a seed-stage powerhouse backed by Index Ventures and C-suite leaders from Blackstone and OpenAI, scaling from 7-figures toward 8-figures in revenue.
• Work directly with founders who scaled companies like 11x.ai and Gorillas, operating in a high-intensity environment that ships faster than teams ten times its size.
• Shape a generational company at the intersection of AI and the $300T+ built world asset class, turning digital infrastructure and energy projects into reality.

What you will do

• Own the engineering function end-to-end, including architecture, infrastructure, security, and execution velocity for a production-grade agentic AI platform.
• Hire and lead an elite, high-output engineering team, setting a technical bar focused on judgment, depth, and extreme ownership.
• Partner with product and domain leads to translate institutional real estate workflows into robust, observable AI systems that handle real-world load.

The ideal candidate

• Proven experience scaling a vertical AI company (e.g., Harvey, Sierra, or Glean) through major growth phases, with deep expertise in LLM production systems.
• A hands-on technical leader who still codes and can debug production issues while simultaneously making high-level architectural tradeoffs and hiring decisions.
• Extensive B2B or enterprise experience shipping software that institutional clients trust with high-stakes financial and regulatory data.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Infrastructure engineer

Salary

$139.8K – $273.7K + Equity

Company Description

Writer Inc. is a $1.9B enterprise generative AI leader building a full-stack platform—including proprietary LLMs and orchestration—backed by ICONIQ Growth and Radical Ventures.

Job Description

Join Writer Inc. to own the reliability and performance of a mission-critical AI platform serving Fortune 500 giants like Uber and Vanguard. You will architect multi-cloud infrastructure, automate complex operational tasks using Python or Go, and integrate agentic AI tooling into your daily engineering workflow to scale our $1.9B platform.

Location

New York City, USA; San Francisco, USA; Seattle, USA

Why this role is remarkable

• Work at a $1.9B category leader that owns the entire AI stack—from proprietary LLMs to the orchestration layer—rather than just wrapping existing models.
• Join a high-growth environment backed by premier investors like ICONIQ Growth and Radical Ventures, powering mission-critical workflows for companies like Mars and Vanguard.
• Pioneer "AI in workflow" practices, using agentic tools like Claude Code and Droid to compound team throughput and redefine modern infrastructure engineering.

What you will do

• Own the reliability, performance, and multi-cloud infrastructure for ~100 microservices on Kubernetes across AWS, GCP, and Azure using Terraform and Helm.
• Lead critical initiatives across SRE, DevOps, and Platform engineering, focusing on automating away toil and designing resilient, self-healing systems.
• Drive incident response and post-mortems, tracing failures to root causes to ensure the platform meets the strict 24/7 demands of enterprise customers.

The ideal candidate

• Brings 5+ years of experience operating large-scale production infrastructure and Kubernetes clusters within a high-growth, fast-paced product company.
• Possesses deep proficiency in Infrastructure as Code (Terraform/Pulumi) and automation programming in Python or Go, with a strong focus on "via negativa" simplicity.
• Already integrates AI-assisted workflows and agentic tooling into their daily shipping process, with clear opinions on where these tools excel and fail.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Title:
Founding Product Engineer (£80–£100k + Equity) at Goodley - AI-powered compliance infrastructure

Job Title

Founding Product Engineer

Salary

£80k–£100k + Equity

Company Description

Goodley - VC-backed startup building AI compliance infrastructure

Job Description

As a Founding Product Engineer at Goodley, you will design and build the core operating layer that regulated companies use to automate continuous compliance. You will own the full system architecture, from workflow orchestration and deep integrations to the evidence infrastructure that provides transparency and trust for complex AI-driven decisions.

Location

Remote, UK

Why this role is remarkable

• Join a founding team of three as the primary architect of a platform designed to disrupt the massive, stagnant insurance compliance sector.
• Work directly with a seasoned founder who previously scaled a pet insurance leader to over 200,000 customers and understands the market's deepest pain points.
• High-impact opportunity to build a trusted system from scratch, moving beyond simple demos to create the essential infrastructure for AI-driven regulated workflows.

What you will do

• Design and implement the core application architecture, including workflow engines, authentication, and compliance monitoring dashboards.
• Build robust integrations with existing enterprise ecosystems like Slack, CRMs, and document management systems to enable real-time compliance verification.
• Develop the critical observability and evidence layer that captures decision timelines and regulatory references to satisfy audit requirements.

The ideal candidate

• Proven experience building infrastructure-heavy SaaS products, developer platforms, or complex workflow engines from the ground up.
• Strong architectural thinker comfortable working across the full stack with a modern toolkit like TypeScript, Python, or Go.
• Thrives in early-stage environments with high ambiguity and possesses the speed and breadth to ship foundational systems that must be reliable and trusted.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack TypeScript Engineer

Salary

$165,000 - $220,000 + Equity

Company Description

Outro Health is a mission-driven virtual care startup dedicated to helping people safely taper off antidepressants using the first neurobiology-based method. Led by world-leading expert Dr. Mark Horowitz, the company has established a first-of-its-kind clinical model with meaningful revenue and research partnerships with top health systems.

Job Description

Join Outro Health as engineer #2 to build software that enables patients to safely reduce medication. You’ll partner with the Head of Product to scale a complex clinical care model, moving between patient-facing React Native apps, AI-driven operations, and TypeScript clinical tools while ensuring a unified view of patient health data.

Location

New York, USA

Why this role is remarkable

• Ground-floor opportunity as the second engineer, doubling the technical team and directly influencing the foundational architecture of a category-defining health platform.
• Mission-driven work solving a massive public health challenge led by Dr. Mark Horowitz, the world’s leading expert in neurobiology-based medication tapering.
• High-autonomy environment where you’ll lean into AI tools like Claude and Cursor to maintain a small, high-leverage team with enormous product ownership.

What you will do

• Develop and scale clinical products, including custom clinician tools and AI agents that assist in monitoring patient responses to medication changes.
• Own the end-to-end lifecycle of patient-facing features across web and React Native mobile platforms, from initial design through deployment and clinical iteration.
• Build robust integrations with insurance and data platforms to streamline billing and enable research partnerships with leading universities and health systems.

The ideal candidate

• 3+ years of professional experience as a full-stack engineer with deep expertise in TypeScript, React, and Node.js (Next.js experience is a plus).
• Proven ability to ship products independently and turn ambiguous clinical workflows into clear software models, with a strong focus on data modeling and domain boundaries.
• Systems-minded builder who is excited about leveraging AI tools to accelerate development and has an interest in making complex healthcare systems intuitive for patients.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Machine Learning Research Scientist

Salary

Not Disclosed

Company Description

Well-funded AI materials discovery startup

Job Description

As a Machine Learning Research Scientist, you will drive the core discovery engine of an autonomous laboratory. You'll develop novel ML architectures, including GNNs and foundation models, to bridge the gap between simulation and real-world physical experiments. This role offers the unique opportunity to see your research directly accelerate scientific discovery and materials innovation.

Location

London, UK

Why this role is remarkable

• You will work at the intersection of frontier AI and physical labs, creating a closed-loop system for autonomous scientific discovery.
• The company is backed by top-tier VCs and led by world-renowned experts from elite industry labs and prestigious universities.
• Your work will have direct real-world impact by solving fundamental bottlenecks in materials science for EVs, robotics, and clean energy.

What you will do

• Formulate and prototype novel ML architectures like foundation models and GNNs tailored for complex material representations and physics simulations.
• Design active learning and optimization algorithms to autonomously decide which physical experiments the lab should run to maximize discovery.
• Tackle challenges in representation learning using sparse, high-dimensional data generated from real-world physical experiments to sharpen model predictions.

The ideal candidate

• Holds a PhD in Computer Science, Machine Learning, Physics, or a related field with a strong record of publishing novel research.
• Possesses hands-on expertise in PyTorch or JAX developing modern architectures such as generative models, Bayesian optimization, or foundation models.
• Demonstrates experience applying machine learning to scientific domains or simulations with a deep curiosity for accelerating discovery through autonomous systems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Backend Engineer

Salary

$130k–$180k + Equity

Company Description

Jarmin is a San Francisco-based YC F25 startup building AI employees for human-level roles, founded by an elite engineering team from Meta SuperIntelligence Labs, Apple, and AWS.

Job Description

As our first backend hire, you will architect the distributed systems and orchestration layer powering our AI agents. You'll own critical infrastructure from day one, transforming complex agent workflows into reliable, scalable business outcomes. This high-impact role involves building internal tools, hacking prototypes, and shaping the future of work alongside a world-class founding team.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite founding team from Meta SuperIntelligence Labs, Apple, and AWS at the ground floor of a YC F25 startup.
• Build the core orchestration layer for autonomous AI employees capable of replacing full human roles like ML engineers and paralegals.
• Secure a significant founding equity stake of 0.5–5% while solving some of the most complex distributed systems challenges in AI.

What you will do

• Design and scale the distributed infrastructure that schedules, executes, and monitors complex multi-agent workflows reliably at scale.
• Build the critical orchestration layer that enables AI agents to understand proprietary data and embed into existing business systems.
• Develop internal developer tools and rapid prototypes to accelerate the team's ability to iterate on new AI agent capabilities.

The ideal candidate

• You have deep professional experience building and operating complex backend architectures and distributed systems at scale.
• You are a relentless builder who ships code constantly, thrives in high-ownership environments, and maintains an exceptionally high quality bar.
• You are passionate about the future of AI agents and enjoy solving novel, ambiguous problems in an in-person, San Francisco-based culture.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Solutions Engineer

Salary

$120k-$170k + $30k Commission + Equity

Company Description

$36M Series A AI platform backed by the creators of Transformers and Gemini

Job Description

Join a high-growth startup processing tens of millions of documents for enterprise legal and finance teams. As the second Solutions Engineer in NYC, you will bridge the gap between sales and product, designing agentic AI workflows using GPT-4, Claude, and Gemini to solve complex automation challenges for Fortune 500 clients.

Location

New York, USA

Why this role is remarkable

• Work at the frontier of agentic AI with a flagship product that 4x-ed revenue last year and maintains a 160% net retention rate.
• Join a lean, high-trust team backed by the world's leading AI pioneers, including investors who helped build the foundations of modern LLMs.
• High autonomy and impact as one of the first technical hires in the NYC office, directly shaping how enterprises adopt multi-modal AI at scale.

What you will do

• Lead technical discovery and design sophisticated AI solutions, conducting POCs that demonstrate the value of no-code agentic workflows to enterprise prospects.
• Build and implement complex Python-based data pipelines and prompt engineering strategies to automate multi-modal document processing for regulated industries.
• Act as the primary technical partner for high-value accounts, managing up to 10 concurrent projects while feeding critical insights back to product engineering.

The ideal candidate

• Proven experience delivering LLM-powered solutions to customers, with deep technical knowledge of RAG, prompt engineering, and foundation model APIs.
• Strong software development skills in Python and a "prototyper at heart" mentality for building repeatable technical solutions to business problems.
• Exceptional communicator capable of articulating a complex AI vision to both C-suite business stakeholders and technical engineering leaders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer Intern

Salary

Not Disclosed

Company Description

Frances is a San Francisco-based startup building AI agents that interface with real-world kitchens and customers to automate food preparation and service.

Job Description

Join Frances as a Founding AI Engineer Intern to bridge the gap between bleeding-edge AI agents and physical kitchen operations. You will own core features, shipping scrappy 0→1 products that connect computer-use tooling to real-world environments. This role is for obsessive builders who care about polish, UX, and the tangible impact of their code.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with the founders in San Francisco to define the core product architecture and user experience from the ground up.
• Operate at the bleeding edge of AI agent technology and computer-use tooling, applying these models to complex physical-world environments.
• Experience the full lifecycle of a startup, from deep technical design to visiting customers' homes and cooking to understand product-market fit.

What you will do

• Design and implement end-to-end features that integrate sophisticated AI agents with real-world kitchen hardware and customer interfaces.
• Ship high-quality, polished code rapidly to move from initial prototypes to functional 0→1 products in a fast-paced environment.
• Engage directly with users by testing the product in real-world settings to gain insights that drive technical and product decisions.

The ideal candidate

• Demonstrates an "obsessive builder" mindset with a track record of shipping scrappy, functional 0→1 products in record time.
• Possesses deep technical curiosity and hands-on experience with AI agents, LLMs, and computer-use tooling or robotic automation.
• Combines strong engineering skills with a passion for UX, polish, and a willingness to step outside the codebase to meet users.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Senior Full-Stack Engineer

Salary

$170K–$220K + Equity

Company Description

Well-funded healthtech AI startup

Job Description

As a Senior Full-Stack Engineer, you will own the development lifecycle of an AI-native platform addressing the national care crisis. Partnering with clinical and operations teams, you will build critical tools that empower family caregivers. This is a high-impact build role focused on shipping TypeScript and Python features for a mission-driven healthcare solution.

Location

San Francisco, USA

Why this role is remarkable

• Join a mission-driven team solving a massive care crisis by providing tools and financial support to millions of unpaid family caregivers.
• Backed by top-tier VCs, this startup is scaling rapidly across the country after delivering millions of hours of care and significantly reducing hospitalizations.
• Work alongside a high-caliber team from leading tech companies like Uber and Meta in a fast-moving, high-ownership engineering environment.

What you will do

• Own full-stack feature development from concept to delivery across web and API surfaces using TypeScript, Python, and React.
• Collaborate with clinical, compliance, and product teams to design and implement real-world technology solutions for the healthcare system.
• Shape the early product direction and technical architecture on AWS as a key member of a growing engineering organization.

The ideal candidate

• Professional software engineering experience of 5+ years with a strong production background in both TypeScript and Python.
• Proven ability to own features end-to-end in a startup environment, demonstrating comfort with ambiguity and a product ownership mindset.
• Experience building and architecting cloud-native applications on AWS, ideally with familiarity in healthcare or AI/ML product development.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Graduate Software Engineer

Salary

Not Disclosed + Equity

Company Description

Letty is a $5.5M seed-funded AI startup backed by Entrepreneurs First and the founders of incident.io, building autonomous digital workers for the real estate industry. We are creating the AI operations layer that handles property management, sales, and tenant communications 24/7 across every channel.

Job Description

You will join Letty as one of the first ten engineers, building agentic AI systems that automate complex property operations. Working directly with a world-class team from Cambridge and Entrepreneur First, you'll ship production-ready code across the full stack using Python and TypeScript to transform how the real estate industry functions.

Location

London, UK

Why this role is remarkable

• Join a high-growth rocketship as engineer #5-10, offering a massive launchpad for future founders and immediate ownership of core architecture decisions.
• Work alongside an elite technical team, including a Cambridge ML CTO and engineers from Quant backgrounds, in a high-intensity, 5-day-a-week in-office environment.
• Backed by $5.5M in seed funding from Entrepreneurs First and high-profile angels, you will tackle one of the world's most meaningful and universal industries: real estate.

What you will do

• Develop and deploy multi-agent AI systems using Python (FastAPI) and LLMs to automate property viewings, sales, and contractor management.
• Build seamless full-stack user experiences with TypeScript, React, and Next.js that integrate deeply with CRMs, WhatsApp, and email platforms.
• Take end-to-end responsibility for shipping features, from initial architecture to production, seeing your work impact real property agencies within days.

The ideal candidate

• A top-tier graduate from Oxford, Cambridge, or Imperial, either graduating in 2026 or possessing 1-2 years of professional software engineering experience.
• Strong proficiency in Python and a desire to work across the full stack, including modern frontend frameworks and cloud infrastructure on AWS/GCP.
• A fast-moving, founder-mode mindset eager to thrive in a high-intensity startup culture that prioritizes rapid shipping and collaborative in-person work.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Infrastructure Engineer

Salary

Not Disclosed + Equity

Company Description

Piris Labs (YC W26) is a San Francisco startup raising a ~$20M seed round to build the full-stack networking layer for AI inference. Led by engineering veterans from Meta and X alongside an MIT physicist, Piris Labs optimizes large-scale model serving by integrating software orchestration with next-generation GPU and networking architectures.

Job Description

As a Founding AI Infrastructure Engineer at Piris Labs, you will architect a high-performance inference platform from the ground up. You’ll solve complex distributed systems problems across the stack, including multi-node serving, intelligent request routing, and GPU orchestration. This is a rare opportunity to define the foundational technology for the future of AI infrastructure.

Location

San Francisco, USA

Why this role is remarkable

• Join a YC-backed team raising a ~$20M seed round, founded by leaders from Meta, X, and MIT with early revenue and government partnerships.
• Gain massive technical ownership by building a category-defining inference layer from first principles, rather than maintaining legacy systems.
• Directly influence the engineering culture, hiring strategy, and product direction as one of the first five employees at the company.

What you will do

• Architect and build a production-grade distributed inference platform featuring multi-node model serving and automated GPU fleet management.
• Develop network-aware request routing and distributed KV-cache management to minimize latency and maximize hardware efficiency.
• Implement high-performance networking protocols and systems using tools like eBPF, RDMA, and NCCL to optimize distributed AI workloads.

The ideal candidate

• Demonstrates exceptional fundamentals in distributed systems, networking, operating systems, and concurrency with a strong builder mentality.
• Possesses deep proficiency in systems languages such as Go, Rust, or C++, and experience with Python for AI orchestration.
• Has a background in high-performance computing, cloud infrastructure, or Kubernetes-based platforms, with a drive to master emerging AI hardware technologies.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Backend Engineer

Salary

$290K-$400K + Equity

Company Description

Giga is a $61M Series A voice AI startup building superintelligent agents that handle complex enterprise customer workflows for leaders like DoorDash.

Job Description

As a Staff Backend Engineer, you will lead the technical architecture of Giga's real-time AI platform. This is a high-impact individual contributor role where you'll solve complex distributed systems problems, scale infrastructure to millions of requests, and set engineering standards. You'll drive high-stakes initiatives that define the future of enterprise automation and voice superintelligence.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite, engineer-led team of 30 at a pivotal $61M Series A stage, working on generational voice AI technology already trusted by Fortune 500 companies.
• Enjoy massive technical ownership and a broad remit across APIs, data pipelines, and platform services with zero fundraising burden or management overhead.
• Experience a high-velocity environment where staff-level engineers are expected to ship production code and architect systems that scale to millions of daily interactions.

What you will do

• Architect and evolve the core agent infrastructure, making critical tradeoffs between speed, reliability, and complexity as the platform scales.
• Lead the most ambiguous and highest-stakes technical projects, turning vague requirements into robust, production-ready backend systems.
• Mentor the engineering team through hands-on collaboration, code reviews, and the development of high-standard design documentation and operational excellence.

The ideal candidate

• Brings 7+ years of backend experience with a track record of architecting distributed systems that scale through multiple orders of magnitude.
• Possesses deep expertise in Python (Django/FastAPI) and TypeScript (Node.js), with a strong grasp of AWS, Kubernetes, and Postgres infrastructure.
• Thrives in high-pace startup environments, demonstrating the ability to own technical strategy and solve hard problems with minimal guidance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Performance Marketing / Paid Acquisition

Salary

$180k-$250k + Equity

Company Description

Fortuna Health is a $22M Series A health tech startup backed by a16z and Y Combinator. After securing a dominant B2B position helping providers manage Medicaid navigation, Fortuna is expanding into the D2C market to help 80+ million Americans access and maintain their healthcare coverage through an intuitive, consumer-first platform.

Job Description

You will lead Fortuna Health’s transition into the D2C market by building and owning the performance marketing engine from the ground up. Focusing on paid search, you’ll architect the growth funnel, manage significant budgets, and run high-velocity experiments. This is a hands-on, high-impact role driving the primary acquisition channel for a mission-critical healthcare platform.

Location

New York, USA

Why this role is remarkable

• Own the entire D2C acquisition strategy from scratch at a well-funded Series A startup backed by premier investors like a16z and Y Combinator.
• Drive meaningful social impact by helping millions of families navigate the complex Medicaid system to ensure they don't lose vital health coverage.
• Join a high-growth environment with a dominant B2B foundation, now scaling into a massive consumer market with full autonomy over the paid search stack.

What you will do

• Architect and execute the end-to-end paid search strategy, primarily focused on Google Ads, to deliver high-intent leads at scale.
• Build a disciplined experimentation engine for ad creative, landing pages, and interactive tools to optimize conversion across the entire funnel.
• Collaborate with senior leadership and operations to report on key metrics like CAC and ROAS, tying marketing spend directly to enrollment outcomes.

The ideal candidate

• Has at least 4 years of performance marketing experience with a proven track record of scaling paid acquisition in a fast-paced environment.
• Demonstrates mastery of Google Ads and paid search funnels, ideally within regulated industries such as healthcare, fintech, or legal services.
• Thrives in a high-velocity, in-person culture and possesses a builder’s mindset, comfortable moving from high-level strategy to hands-on account execution.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer (Backend)

Salary

Not Disclosed

Company Description

Letly is a £2M pre-seed AI-native operating company rebuilding the home rental lifecycle, from viewings and payments to repairs.

Job Description

As a Backend Engineer at Letly, you will build the foundational systems powering the entire rental ecosystem. You’ll architect scalable microservices, design high-throughput APIs, and integrate advanced AI/ML models into production workflows. This role offers the unique challenge of digitizing complex real-world operations for landlords, tenants, and vendors.

Location

London, UK

Why this role is remarkable

• Build the world's first AI-native infrastructure for the home, modernizing a fragmented industry currently split across agents, banks, and service providers.
• Backed by £2M in pre-seed funding from elite investors who previously built global financial infrastructure handling billions in daily transaction value.
• High-agency environment where your code directly manages real-world assets, financial integrations, and regulatory compliance for thousands of concurrent users.

What you will do

• Architect and maintain scalable microservices using NestJS and TypeScript to automate the end-to-end rental lifecycle and financial rails.
• Collaborate with AI engineers to integrate LLMs into production workflows, pushing the boundaries of how AI handles real-world property and money.
• Own the full engineering cycle by participating in DevOps, infrastructure management on GCP/GKE, and database optimization across MongoDB paradigms.

The ideal candidate

• Strong proficiency in backend development (TypeScript/Node.js preferred) with deep experience building microservices and RESTful API architectures.
• Proven ability to manage complex data structures and event-driven systems, ideally with familiarity in MongoDB, Kubernetes, and GitOps practices.
• A first-principles thinker with an obsession for code quality and the adaptability to thrive in a fast-paced, high-stakes operational environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Voice AI ML Engineer

Salary

£80k-£100k + Equity

Company Description

AethexAI Inc is a London-based pre-seed startup that has raised ~$3M to build proprietary voice AI infrastructure for underserved global markets and languages that big tech overlooks.

Job Description

Join AethexAI Inc to build foundational speech technology for billions of users in emerging markets. You will own the entire ML lifecycle, from researching novel architectures to deploying low-latency models on AWS. This is a hands-on, founding-level role for a scrappy builder ready to define the future of global voice communication.

Location

London, UK

Why this role is remarkable

• Build foundational speech models from scratch for languages and accents that big tech overlooks, impacting billions of users in Africa, the Middle East, and beyond.
• Join a high-growth, ~$3M pre-seed team in London already processing 17,000+ daily calls with sub-500ms latency on proprietary, non-fine-tuned infrastructure.
• Secure meaningful founding-team equity and take complete ownership of the full ML stack, mirroring the trajectory of early engineers at companies like ElevenLabs.

What you will do

• Research and develop novel speech model architectures, moving beyond simple fine-tuning to build proprietary ASR and TTS solutions for underserved markets.
• Design and manage high-scale inference pipelines on Kubernetes and AWS, ensuring mission-critical reliability and sub-500ms latency for global voice applications.
• Work directly with the founding team to ship new features into production weekly, impacting real-world users immediately after model training.

The ideal candidate

• Has 4+ years of experience shipping production-grade ML models, with specific depth in speech, audio, or low-latency inference systems.
• Possesses strong MLOps skills, including hands-on experience deploying to Kubernetes on AWS and maintaining high-availability production environments.
• Holds an advanced degree from a top CS/ML program and thrives in a scrappy, in-person London environment where they own technical outcomes end-to-end.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$160k-$180k + Equity

Company Description

Reflow AI Inc. (DBA Wayside) is a seed-stage NYC startup with $1.3m ARR building AI-powered automation for Professional Employer Organizations (PEOs).

Job Description

Join Reflow AI Inc. (DBA Wayside) as the third software engineer to automate legacy PEO workflows using AI. As a founding team member, you will own features end-to-end using Next.js and TypeScript. You’ll work closely with customers to shape the product roadmap and build AI agents that transform payroll and compliance operations.

Location

New York City, USA

Why this role is remarkable

• Founding-stage opportunity as the 3rd engineer in a high-intensity startup that grew revenue 18x last year to $1.3M ARR.
• Massive individual ownership where you define architectural decisions and the roadmap while working directly with the founding team and customers.
• Build at the cutting edge of AI, deploying production-ready agents to automate complex workflows for multi-billion dollar legacy industries.

What you will do

• Ship backend and user-facing features end-to-end using Next.js and TypeScript, self-hosting on AWS to deliver a world-class product experience.
• Engage directly with customers to demo features, collect feedback, and support users to ensure the product meets real-world operational needs.
• Design and implement AI-enabled workflows for client support and payroll entry, contributing significantly to the core product roadmap and strategy.

The ideal candidate

• 3+ years of professional software development experience with deep proficiency in TypeScript and modern web development frameworks like Next.js.
• Exceptional work ethic and a desire for high-ownership positions in early-stage startups, with the ability to independently manage ambiguous tasks.
• Practical experience with cloud deployment on AWS and a strong interest or experience in building production-grade LLM-enabled systems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer, Infrastructure

Salary

$140K–$215K + Equity

Company Description

Opal Security is a $59M venture-backed security leader building AI-native identity governance, supported by premier investors like Greylock and Battery.

Job Description

Join Opal Security to architect and scale critical infrastructure for AI-native security. You will own the platform's stability across Kubernetes, Golang, and Terraform, supporting both cloud and self-hosted environments. Collaborate directly with engineers at industry leaders like Figma and Databricks to build the next generation of identity management tools.

Location

San Francisco, USA

Why this role is remarkable

• Direct impact on security infrastructure for category-defining companies like Databricks, Figma, and Cloudflare.
• Backed by $59M from top-tier investors Greylock and Battery, led by experts from Dropbox and the intersection of math and crypto.
• High-growth environment with a seat at the table for product decisions and the creative freedom to architect complex multi-cloud solutions.

What you will do

• Design and scale critical infrastructure using Kubernetes, Golang, and Terraform across AWS, GCP, and self-hosted customer environments.
• Architect systems that ensure platform stability, security, and speed, enabling product engineers to ship features with high confidence.
• Consult directly with security and engineering teams at Fortune 500 startups to understand and solve their complex IAM challenges.

The ideal candidate

• Strong background in infrastructure engineering with deep expertise in Golang, Kubernetes, and managing distributed systems at scale.
• Experienced in infrastructure-as-code using Terraform and proficient in managing cloud-native databases like Postgres and Redis.
• Proactive problem-solver who enjoys working across the stack and collaborating with both internal teams and external enterprise customers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$150k-$250k + Equity

Company Description

Cascade is a pre-seed startup backed by a16z Speedrun that is transforming the $13T construction industry with an AI orchestration layer. Founded by former Google ML experts, the company has scaled from $0 to over $200K in contracted ARR within just three months of launching its predictive engine.

Job Description

As a Founding Engineer at Cascade, you will build the prediction engine that identifies multi-billion dollar construction opportunities. You’ll sit alongside the founders, shipping end-to-end features and leveraging LLMs to analyze billions of signals. This is a high-ownership role for a builder eager to define the tech stack and culture of a generational company.

Location

New York, USA

Why this role is remarkable

• Work at a high-growth startup backed by a16z Speedrun that achieved $201K ARR in its first three months of operation.
• Collaborate directly with founders Hannia Zia (Forbes 30 Under 30, ex-Google Search ML) and Joana Ferreira (ex-Google and Amazon engineer).
• Influence the physical world by building software used by the architects and builders behind major infrastructure like JFK, LaGuardia, and nuclear reactors.

What you will do

• Develop and refine the AI orchestration layer to predict major construction projects using non-obvious signals like demographic shifts and life events.
• Own the full product lifecycle from initial idea to production, shipping end-to-end features with extreme speed and autonomy.
• Shape the technical roadmap and company culture while sitting next to the founders in a collaborative, in-person environment.

The ideal candidate

• Possesses hands-on experience with LLMs and a strong desire to own the entire technical stack, including direct customer interactions.
• Demonstrates an entrepreneurial spirit, ideally having worked at an early-stage startup or having started their own company previously.
• Is based in New York and thrives in a fast-paced environment where shipping functional code is prioritized over perfecting unused software.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Research Engineer

Salary

£70k–£120k + Equity

Company Description

Electric Twin is a London-based AI company that has raised $14M from Atomico and LocalGlobe to build synthetic populations for behavioral prediction. Founded by a former Chief Adviser to the Prime Minister and a military commander, they use LLMs to simulate human responses for global brands with 95% accuracy.

Job Description

You will research and build the cognitive architectures that bring AI agents to life, balancing behavioral science with backend engineering. Working within the Science team, you'll design memory systems and decision-making frameworks to create realistic synthetic populations. This is a high-impact role bridging the gap between LLM research and production-scale infrastructure.

Location

London, UK

Why this role is remarkable

• Work on a unique product that uses LLMs to solve the $90B market research problem, achieving 10,000x faster insights than traditional methods.
• Backed by heavyweight investors including Atomico, LocalGlobe, and angels like Marc Andreessen and the CTO of Slack.
• Direct collaboration with academic leaders from the London School of Economics to publish research and define the future of agentic modeling.

What you will do

• Design and run systematic experiments to evaluate synthetic agent behavior and validate performance against real-world human data sets.
• Build sophisticated cognitive systems using advanced LLM techniques like chain-of-thought prompting, RAG architectures, and multi-agent tool use.
• Implement robust memory and personality frameworks that ensure AI agents maintain consistent demographics and behavioral patterns across interactions.

The ideal candidate

• Has over 7 years of engineering experience with at least 1 year hands-on with LLMs, production RAG, and agentic workflows.
• Possesses a strong research background in quantitative fields like computational social science, physics, or cognitive modeling to simulate human systems.
• Proficient in Python and backend frameworks like FastAPI, with the ability to take complex AI prototypes into scalable production environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Platform Engineer

Salary

Not Disclosed

Company Description

StackOne is a $24M Series B London-based startup backed by GV and Workday Ventures, building the leading AI Integration Gateway. They provide a unified API layer for HR, CRM, and ATS platforms, enabling SaaS providers to orchestrate scalable, enterprise-grade integrations for AI agents and business systems.

Job Description

As the first dedicated Senior Platform Engineer, you will own the infrastructure behind StackOne’s AI Integration Gateway. Reporting to the CTO, you'll lead the migration from AWS CDK to Terraform, optimize CI/CD pipelines for a growing monorepo, and architect the delivery of the platform into customers' own cloud environments via BYOC models.

Location

London, UK

Why this role is remarkable

• Foundational Impact: Join as the first dedicated platform engineer, defining the infrastructure strategy and DevOps culture from the ground up for a high-growth startup.
• Blue-Chip Backing: Backed by top-tier investors GV (Google Ventures) and Workday Ventures with $24M raised to solve complex enterprise integration challenges.
• Complex Engineering: Work on cutting-edge "Bring Your Own Cloud" (BYOC) architecture, delivering SaaS infrastructure directly into major enterprise cloud accounts like AWS, GCP, and Azure.

What you will do

• Lead the transition of the entire AWS estate from AWS CDK to Terraform while maintaining high reliability for production workloads like ECS Fargate and Aurora.
• Architect and automate the deployment pipeline, consolidating toward a monorepo with incremental, affected-only testing to ensure rapid developer feedback loops.
• Build the versioning, packaging, and delivery systems required to ship StackOne’s platform into customer-managed cloud environments with full observability and security.

The ideal candidate

• Has 4+ years of experience in platform engineering or SRE, with deep expertise in AWS services including ECS/Fargate, RDS/Aurora, and Lambda.
• Demonstrates high proficiency in Infrastructure as Code (Terraform/CDK) and programming in TypeScript or Python to build developer tools rather than just configuration.
• Possesses a security-first mindset with experience securing CI/CD pipelines and ideally shipping software into customer-managed cloud or on-prem environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Platform Engineer

Salary

$180k-$250k + Equity

Company Description

GovSignals is an AI system of work for government contracting, uniquely authorized for FedRAMP High and IL5 environments. Managing billions in contract data, the company monitors over 5,000 government sources to close the gap between capability procurement and adversary deployment for mission-critical agencies and Fortune 500 primes.

Job Description

Join GovSignals as a founding platform engineer owning the data and deployment infrastructure for AI-driven government contracting. You will scale ingestion for 10,000+ data sources, manage secure environments across AWS GovCloud and Cloudflare, and build agentic harnesses that power billions in contract volume. This role directly impacts national security infrastructure.

Location

New York, USA

Why this role is remarkable

• Join as a founding member of the platform team, working directly with the CTO and co-founders from Palantir and the DIA to own the core infrastructure.
• Work in a high-stakes environment as the only startup managing government data with AI across both FedRAMP High and DoD Impact Level 5 settings.
• Build in the historic Brooklyn Navy Yard for a well-funded startup that has achieved massive regulatory milestones and onboarded household names in under two years.

What you will do

• Build and scale the ingestion and storage infrastructure for 10,000+ government data sources using Postgres logical replication and object storage on S3 and R2.
• Ship a single codebase to diverse environments including commercial SaaS on Cloudflare Workers and self-hosted Kubernetes in AWS GovCloud for restricted networks.
• Develop infrastructure where AI agents are first-class users, including agentic harnesses that support billions in government contract volume and automated remediation loops.

The ideal candidate

• Has 5+ years of experience in backend or platform engineering with deep expertise in Postgres internals and Kubernetes in production environments.
• Brings a security-first mindset and proven experience taking complex systems through real scale, such as significant migrations or major throughput walls.
• Demonstrates proficiency in TypeScript or Python and a heavy reliance on AI tools to accelerate work within regulated or highly sensitive environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Head of Customer Success (£90k-£110k + Equity) at Fast-growing digital health platform

Job Title

Head of Customer Success

Salary

£90k-£110k + Equity

Company Description

Fast-growing digital health platform

Job Description

You will lead the entire post-sales journey for the UK’s leading digital pharmacy network, unifying Customer Success, Account Management, and Onboarding into one high-performance function. Reporting to the CEO, you will build the infrastructure for health scoring and segmentation while personally managing strategic partnerships to drive retention and expansion revenue.

Location

London, UK

Why this role is remarkable

• Take full ownership of the CS playbook at a market-leading scaleup expanding internationally into new markets.
• Direct commercial accountability with a mandate to build and lead a high-impact team of six professionals.
• High-influence leadership role within a well-funded healthtech company that is fundamentally transforming patient care access.

What you will do

• Unify Customer Success, Key Account Management, and Onboarding into a single coordinated function with shared goals.
• Build and execute proactive customer journeys, health scoring, and win-back strategies to maximize renewal rates.
• Personally lead strategic quarterly business reviews and identify expansion opportunities with the company’s most valuable partners.

The ideal candidate

• 10+ years of Customer Success leadership experience, ideally within a B2B SaaS or healthtech marketplace environment.
• Proven track record of building CS operations from scratch, including segmentation frameworks, metrics, and playbooks.
• Strong commercial acumen with the ability to own revenue outcomes and performance-manage teams effectively.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Full Stack Engineer

Salary

Not Disclosed

Company Description

NELP is a fast-growing healthtech company building the system of record for nursing excellence across the country's largest health systems. By replacing manual spreadsheets with a unified platform for ANCC designations and clinical ladders, NELP empowers nursing leaders to improve patient outcomes and measurably increase nurse retention.

Job Description

As the Founding Full Stack Engineer at NELP, you will own the entire technical stack and shape a product that directly impacts patient safety and nurse retention. You’ll build enterprise-grade infrastructure, AI-driven workflows, and complex data models for large health systems, turning firsthand customer feedback into production features within days.

Location

San Francisco, USA

Why this role is remarkable

• You will be the first engineering hire, owning the entire technical stack from day one and shaping the engineering culture of a mission-driven startup.
• NELP is already deployed across major US health systems, solving a deep problem in a massive, underserved market where your work translates to saved lives.
• You’ll work directly with the CEO and receive meaningful founding-team equity while building a sophisticated platform that includes AI-powered evidence organization and enterprise integrations.

What you will do

• Own the end-to-end architecture and implementation of production features across four integrated products using TypeScript, React, and Next.js.
• Design and scale complex data models for multi-hospital organizational structures and implement robust enterprise infrastructure including SSO/SAML and HRIS integrations.
• Collaborate directly with health system leaders to translate their needs into AI-enhanced workflows for document retrieval and clinical evidence organization.

The ideal candidate

• Proven full-stack expertise in production environments using React and Next.js, with a strong ability to build workflow-heavy, multi-tenant SaaS applications.
• Experience as an early engineer at a high-growth startup, comfortable navigating ambiguity and owning both high-level architecture and granular code implementation.
• Excellent communicator who can work alongside non-technical domain experts and demonstrates a deep passion for improving healthcare through high-quality software.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lead Backend Engineer

Salary

Not Disclosed + Equity

Company Description

LightWork AI is a London-based AI startup building the operating system for property management, led by a founding team with experience from Revolut and Entrepreneur First.

Job Description

As the most senior backend hire, you will architect the mission-critical systems powering Felicity, an AI assistant automating 80–90% of property management workflows. You’ll lead the design of scalable Node.js/TypeScript services, integrate advanced LLMs, and shape the engineering culture of a fast-growing team currently scaling toward its 2026 revenue goals.

Location

London, UK

Why this role is remarkable

• Join as the first Lead Backend Engineer, working directly with a Head of Engineering who scaled previous teams from zero to 140+ people through a $35M Series B.
• Influence the technical architecture of a platform automating a massive industry where property teams currently waste 75% of their time on repetitive manual administration.
• Earn meaningful early-stage equity in a company backed by industry experts and veteran founders aiming to build the category-defining AI platform for property operations.

What you will do

• Architect and build scalable backend systems and APIs using Node.js and TypeScript within a microservice and event-driven architecture.
• Integrate backend services with LLMs and AI models to automate complex real-time operational workflows and communication for property managers.
• Mentor backend engineers and establish high-quality engineering standards, including code reviews, observability frameworks, and modern development practices from the ground up.

The ideal candidate

• 7+ years of professional backend experience with deep expertise in Node.js, TypeScript, and relational databases like PostgreSQL.
• Proven track record of leading technical projects and designing distributed systems, preferably within high-growth startup or early-stage environments.
• Strong architectural mindset with experience in event-driven systems, message queues, and deploying production-grade services on modern cloud infrastructure.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Software Engineer

Salary

$140K - $200K + Equity

Company Description

Northslope Technologies is a high-growth Series A startup founded by ex-Palantir engineers building custom AI products for Fortune 500 companies and governments. Bootstrapped to 7x revenue growth before raising institutional capital, the team includes elite talent from Eleven Labs, McKinsey, Google, and Uber, focused on deploying production-grade ML and LLM solutions.

Job Description

As a Forward Deployed Software Engineer at Northslope Technologies, you will architect and build mission-critical applications that solve complex enterprise problems. Working directly with stakeholders, you’ll transform disparate data into operator-centered workflows using Python, TypeScript, and the Palantir Foundry platform. You’ll own the entire lifecycle from conception to production, driving measurable business impact at uncommon speed.

Location

New York, USA

Why this role is remarkable

• Work in a high-velocity, 0->1 environment where every engagement functions like a mini-startup with no PM layers or bureaucracy.
• Join an elite technical team of ex-Palantir, Google, and Uber engineers at a company that grew revenue 7x before its Series A.
• Solve "move-the-needle" problems for the world's most ambitious organizations, putting powerful AI tools directly into the hands of real operators.

What you will do

• Partner closely with customers to conceive, architect, and maintain sophisticated applications that operationalize enterprise data and transform business workflows.
• Rapidly iterate and build production-ready software using Python and TypeScript on the Palantir Foundry and AIP operating system.
• Embed with client teams to understand pain points and deliver tangible outcomes that significantly improve the customer's bottom line.

The ideal candidate

• Possesses professional proficiency in Python and/or TypeScript with a demonstrated ability to build applications using large, complex datasets.
• Exhibits an obsession with customer success and a track record of delivering real-world outcomes through code or technical analytics products.
• Is comfortable working autonomously in a hybrid environment and willing to travel 10-33% for onsite client implementations and high-impact deployments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Mid-Level Full Stack Ruby on Rails Software Engineer

Salary

£55K–£65K

Company Description

Create Academy Ltd. is a London-based creative learning platform on a mission to help people live more fulfilled lives through beautifully produced video courses. They provide access to world-class instruction from renowned designers, gardeners, and makers, building a digital home for high-quality instruction and a growing community of lifelong learners.

Job Description

As the primary developer at Create Academy Ltd., you will own the entire codebase and drive technical excellence alongside the CTO. You will build engaging learning experiences using a modern Rails 8.1 stack, implementing features from concept to completion. This role offers high autonomy, direct product impact, and the opportunity to shape the future of creative education.

Location

London, UK

Why this role is remarkable

• Full technical ownership as the primary developer, working directly with the CTO to shape architecture and ship critical features that define the user experience.
• Direct impact on a growing platform with over 50 live courses and a passionate community that values high-quality craftsmanship and beautiful digital products.
• Modern tech stack environment featuring Rails 8.1, Hotwire, and Stimulus, prioritizing clean code and thoughtful technical decisions over simply clearing a ticket queue.

What you will do

• Lead the technical direction and architectural decisions for the primary web application and upcoming, soon-to-be-announced product projects.
• Implement end-to-end features using Ruby on Rails, Hotwire, and PostgreSQL while maintaining high standards for code quality, performance, and reliability.
• Collaborate closely with the UX, design, and growth teams to create seamless learning experiences and evolve the product roadmap based on customer insights.

The ideal candidate

• At least 4 years of production experience with Ruby on Rails, demonstrating deep expertise across the entire full-stack development lifecycle and architectural decision-making.
• Strong background in PostgreSQL, RESTful APIs, and payment systems like Stripe, with a preference for those who favor modern Hotwire and Stimulus patterns.
• Proactive, self-motivated problem solver who enjoys taking ownership of features and making smart, independent technical decisions in a fast-paced, supportive environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Tech Lead

Salary

£75,000-£100,000

Company Description

Private equity-backed fintech education platform

Job Description

You will own technical quality across a Java/Spring Boot and React estate, shipping meaningful code while mentoring a small team. This role offers a structured transition to Engineering Manager within one year. Working in an AI-first environment, you will drive CI/CD maturity and architecture for a platform used by top-tier global banks.

Location

London, UK

Why this role is remarkable

• Defined, dated path to Engineering Manager status at your first annual review.
• Backed by private equity with a product used by major global financial institutions.
• High-autonomy environment prioritizing AI-assisted development and technical excellence.

What you will do

• Lead day-to-day technical quality through code reviews, architecture, and mentoring.
• Ship production-ready code across Java microservices and React frontends.
• Drive CI/CD maturity and manage the transition to continuous deployment.

The ideal candidate

• Proven experience with Java/Spring Boot and React in production environments.
• Demonstrated leadership-without-authority through mentoring and setting engineering standards.
• Proficient with AI coding tools and experienced in improving CI/CD pipelines.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Customer Success Manager

Salary

£50,000 + Commission

Company Description

Thrive is a fast-growing HR tech company with 500+ customers building a scientifically validated psychometric platform that helps organizations hire smarter and develop teams.

Job Description

You will join an ambitious team of 11-50 people as an early Customer Success hire, taking commercial ownership of 100-200 accounts. You’ll drive NRR by expanding usage from recruitment into employee development and retention. This is a hands-on role requiring strong discovery skills to build value-based relationships with senior HR stakeholders.

Location

London, UK

Why this role is remarkable

• Join as an early CS hire with a genuine seat at the table, directly influencing the function's growth while working closely with the Head of CS.
• Represent a product that customers genuinely love, featuring a compelling expansion story built into its scientifically validated psychometric design for HR leaders.
• Enjoy a high-impact, individual contributor role with direct access to leadership and a commission structure tied specifically to your expansion performance.

What you will do

• Own a portfolio of 100-200 existing Thrive customers, managing the end-to-end renewal and expansion lifecycle to drive net revenue retention.
• Proactively identify growth opportunities within accounts by building multi-threaded relationships from day-to-day HR users to People Directors and C-suite budget holders.
• Lead regular business reviews that translate platform data into actionable outcomes like improved quality of hire and reduced employee turnover for senior stakeholders.

The ideal candidate

• Has at least 3 years of experience in Customer Success or Account Management with a proven track record of maintaining NRR above 100%.
• Possesses deep domain knowledge in HR tech, talent assessment, or people analytics, and is comfortable navigating commercial conversations with senior economic buyers.
• Demonstrates strong discovery skills and a data-driven approach to proactively managing a high-volume book of business in a remote-first UK environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

Not Disclosed

Company Description

CommodityAI is building the AI-powered operating system for the global commodities industry, automating the complex manual workflows across the energy, metals, and agricultural sectors.

Job Description

As a Forward Deployed Engineer at CommodityAI, you will bridge the gap between AI product and physical trade operations. You'll partner with customers to automate unstructured data flows, configure technical schemas, and drive successful deployments. This is a high-impact role for an engineer who thrives at the intersection of code and customer outcomes.

Location

San Francisco, USA

Why this role is remarkable

• Work at the epicenter of global trade, transforming the foundational sector responsible for moving the world’s energy, metals, and agricultural resources.
• Join a high-growth environment where the product is selling faster than it can be onboarded, offering massive scale and impact.
• Gain high-agency experience with direct mentorship from the founding team while building the company's deployment playbooks from the ground up.

What you will do

• Configure data schemas and AI extraction workflows to turn messy real-world documents and emails into structured, actionable trade data.
• Lead customer onboarding workstreams from initial scoping and technical configuration through to user acceptance testing and successful go-live.
• Build internal tools, scripts, and automation templates that accelerate the deployment process and create leverage for the entire engineering function.

The ideal candidate

• 1-3 years of experience in software engineering, implementation engineering, or a technical consulting role with strong coding skills in Python or TypeScript.
• Proven technical proficiency with APIs, structured data models, and the ability to diagnose complex issues across AI-driven systems.
• Exceptional communication skills and an operator mindset, comfortable managing multiple customer workstreams in a fast-paced, early-stage startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.