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Mid-Senior Full-Stack Engineer at Mintstars

Mid / Mid-Senior Full-Stack Engineer role at Mintstars.com in London, UK. Backed by Polygon and Escape Velocity, you’ll work on creator monetization and B2B payments infrastructure using a React/Node.js/tRPC stack. Own features end-to-end with meaningful equity and the chance to tackle hard problems in Shoreditch.

Senior Software Engineer at Caura

Based in London, Caura.com is seeking a Senior Software Engineer to own the backend architecture. Caura.com, a London-based startup, partners with Lloyds Banking Group and Motorway to simplify car management. You'll build scalable, event-driven systems using TypeScript, Node.js, and AWS and have the chance to influence the future of UK driving.

Systems Engineer at Harmonic Security

The Systems Engineer role at Harmonic Security Inc. in London focuses on building the agent architecture to protect enterprise data in real time. Harmonic Security Inc. is pursuing a new category of AI security and is backed by $25M from top-tier VCs. This fast-scaling startup offers the opportunity to work with Rust in the OS and develop high-performance, cross-platform software.

Staff Backend Engineer at Fleek

Staff Backend Engineer for Fleek's Growth squad in Shoreditch, London, UK. Fleek is led by a former Google and Postmates engineering leader and is building a platform that scales to millions of unique items. The role offers architectural ownership and a chance to help shape the future of B2C marketplaces at scale.

Technical Co-Founder at Regulex AI

Take on the role of Technical Co-Founder at REGULEX AI LIMITED to own the architecture of an AI-first fintech. Based in London, the company is backed by Antler and the Investment Association and is building an agentic intelligence layer for the UK asset management industry. This partnership opportunity offers up to 45% equity to ship LLM-driven pipelines for mid-market fund managers.

Founding Engineer at Generalcatalyst

Founding Engineer at AgentMail in San Francisco, you will help build the 'Gmail for AI Agents'. The company has a founding team from Optiver and NVIDIA and is growing quickly to define the agent communication layer. This 0-to-1 role offers equity and the opportunity to tackle core distributed-systems challenges.

Founding Engineer at Fancysauce

Founding Engineer and second hire at Fancysauce Inc., focusing on AI-native cost management and owning core platform verticals. The company is based in San Francisco and backed by Afore Capital and angels from OpenAI and Gemini. This role offers ownership of critical systems, daily shipping with TypeScript and React, and a chance to shape engineering practices.

Senior Frontend Engineer at Deducta

Senior Frontend Engineer role at Deducta in London, UK. Deducta is a London-based AI startup founded by ex-Spotify and GoCardless leaders. Join as an early team member to own the frontend of a data intelligence platform for global enterprises.

Software Engineer at Rezonant

Software Engineer at Rezonant in London, UK. Rezonant is a fast-growing startup that helps teams accelerate their software development lifecycle with agent-native workflows as it exits private beta. The role offers the chance to shape the product from the ground up, working with Python, Temporal, and the latest LLM frameworks on an AI-native engineering team.

Engineering Lead at 9fin

Engineering Lead in London at 9fin.com. 9fin is an AI fintech unicorn that recently closed a $170M Series C and is scaling its debt capital markets platform. You will lead a high-performing team, stay hands-on with Python and AWS, and report to engineering leaders from Bloomberg and Nasdaq to build scalable, data-heavy products.

Applied Scientist at Flawless

Applied Scientist at Flawless in London, UK. Bridge research and production by scaling high-fidelity audio and video dataset generation and operationalizing lip-sync model pipelines. This role offers the opportunity to apply multimodal research to cinema and storytelling for global audiences.

Forward Deployed Engineer at Claimsorted

Join ClaimSorted in London as a Forward Deployed Engineer. Collaborate with a team that includes veterans from Meta and Scale AI to build mission-critical insurance systems. Own the customer-facing engineering roadmap and help scale a YC startup from the ground up, with visa sponsorship available.

Senior Software Engineer at UnlikelyAI

Senior Software Engineer at UnlikelyAI in London. UnlikelyAI combines generative AI with proprietary symbolic reasoning to deliver deterministic, explainable outcomes for regulated industries. Join a team of experts from Google, Amazon and Imperial College to tackle novel algorithmic challenges at the intersection of classical AI and modern LLMs during a scaling phase.

Software Engineer at Skan AI

Software Engineer at Skan AI. Skan AI builds enterprise agentic AI systems that execute complex business flows at scale. The role offers the chance to tackle orchestration and retrieval challenges using real-time telemetry.

Principal Software Engineer at Highnote

As a Principal Software Engineer at Highnote in San Francisco, you will lead the architecture of card issuing and payment processing systems. Highnote, founded by leaders from Braintree and PayPal and backed by more than $145M, is advancing embedded finance. With 12+ years of experience, you will shape the technical direction and apply AI-powered development to financial infrastructure.

Engagement Manager at Model ML

Engagement Manager at Model ML leads enterprise client delivery. Model ML works with global financial institutions and recently closed a $75M Series A backed by Y Combinator and LocalGlobe. This role offers the opportunity to apply 5+ years of high-stakes experience to deploy AI workflows for top firms.

Senior Software Engineer at Thriva

Senior Software Engineer at Thriva Limited in London, UK, focusing on Rails and AI-driven workflows. Thriva is building personalized healthcare solutions to close the gap between lifespan and healthspan. This role offers high autonomy and the opportunity to shape products that help people live healthier lives.

Systems Engineering at Architect

Architect is seeking a Systems Engineer to own deep backend infrastructure, from context engines to OLAP scaling, in London. Architect is rebuilding the web by replacing static sites with intelligent AI agents and is backed by £3.5M from Project A. Join a 10-person London team to work directly with technical founders on a service-oriented stack using TypeScript and Temporal.io.

Design Engineer at Architect

Design Engineer role at Architect, a London-based AI startup. You'll work directly with the founders to build intelligent, real-time web experiences that adapt to every visitor. Equity is included as part of the opportunity.

Product Engineer at Architect

Architect is hiring a Product Engineer in London to ship full-stack features that personalize the web in real time. You'll work directly with the co-founders at a seed-stage startup backed by £3.5M. This role offers substantial technical ownership and the chance to help define a new category for AI-powered web experiences.

Frontend Engineer at Bound

Frontend Engineer at Bound.co in London, UK. You will join a fast-growing London fintech backed by a $25M Series A to replace legacy systems with polished, high-performance React applications and work with the founding team on the FX copilot for businesses. The role offers the opportunity to ship product-minded features used by customers like Paddle and Tines in an in-office, high-output.

Product Engineer at Sektor

Product Engineer at Sektor in London, an early full-stack role. Sektor is building the first autonomous orchestration layer for enterprise deployments in the construction industry, with $2M+ ARR secured from global giants. Own features from user problem to shipped solution in a high-trust, fast-paced London team, with equity.

Senior Backend Engineer at Sektor

The role is Senior Backend Engineer at Sektor in London. You will own the orchestration layer for heavy industry software roll-outs, designing DAG-based workflows and AI configuration agents. This is a chance to build a foundational platform at a mission-driven company and advance your Python expertise.

Founding Fullstack Engineer to join a VC-backed industrial AI startup in San Francisco. You will work directly with the CTO to architect an AI-native platform and own the full tech stack from LLM data pipelines to Next.js frontends. The role includes founding equity up to 5% and a chance to shape the company from day zero.

Chief of Staff at Generalcatalyst

Chief of Staff to the founders at Govra, a San Francisco-based government intelligence platform. Govra is backed by General Catalyst and advised by former IRS and SSA Commissioners. The role offers the opportunity to shape strategy and drive important initiatives in modernizing government infrastructure.

Lead the research function as Founding Research Scientist at a stealth physical AI startup in San Francisco. Own the full research stack and help translate research into real-world robotics by building the required infrastructure. This founding opportunity offers equity and a chance to shape the early development of the platform.

AI Engineer at Vibecode

AI Engineer at Vibecode in New York. Join a seed-stage team building Vibecode's core coding agent along with engineers from OpenAI and Google. The role offers up to 2% equity to help advance human-computer interaction.

Founding Product Designer at Chalkie

As Founding Product Designer at Chalkie, you will work with the CPO to shape AI-enabled classroom products. Chalkie is the UK's fastest-growing EdTech startup, with £3M raised and 1 million teachers onboard. Prototype in Cursor and ship daily to 50,000 paying subscribers.

Senior Product Analyst at Intelligent Legal Solutions (ILS)

Senior Product Analyst at Intelligent Legal Solutions (ILS) Limited will own the requirements-to-solution journey in a hybrid, high-autonomy role. ILS Limited is building ProVision to automate private fund legal operations and has $3M in funding with a blue-chip base of global law firms. The role offers the opportunity to influence product growth in a growing B2B SaaS scale-up and includes.

Marketing & Content Lead at CoLoop

Marketing & Content Lead at CoLoop in London, reporting to the Chief of Staff. CoLoop, backed by YC and $5M, is the AI copilot for research teams at Amazon, Nike, and Netflix. You will own the growth engine from the ground up with autonomy to build a repeatable GTM and generate high-impact pipeline.

Engineering Lead at Ben

Engineering Lead (equity) at Ben in London, UK. Lead a squad of 4-8 engineers, staying hands-on while driving AI-native workflows in a fast-paced fintech environment. Build the global infrastructure for employee benefits and scale a product used by 300k+ users worldwide.

Founding Product Engineer at Nexcade AI

Founding Product Engineer at Nexcade AI in London, UK. You'll work directly with the founders to ship full-stack AI features that transform logistics and automate freight-forwarding for enterprises like XPO. This role offers meaningful equity for 4-8 years of 0-to-1 engineering experience at a company freshly out of stealth, backed by $8.5m in seed funding and strong growth.

Software Engineer at Stateful Robotics

Software Engineer role at Stateful Robotics Ltd. Stateful Robotics Ltd is a UK-based Oxford University spin-out backed by a $4.8M pre-seed round, building a persistent memory layer for autonomous robots. The role involves shipping software to robots in warehouses and construction sites and working across the stack from backend APIs to on-robot deployments with researchers and founders.

Engineering Lead at Attio

Engineering Lead at Attio.com in London, responsible for building the GTM infrastructure and spending about 80% of your time coding on a high-scale stack. Attio is redefining CRM for the AI era and has raised $116M from GV and Redpoint, with 10x ARR growth in 24 months. The role offers ownership of critical architecture and mentorship of a small elite team, shaping the company's next phase of.

Lead Data Scientist at Faculty

The Lead Data Scientist role at Faculty is based in London, UK. You will join Faculty's Defence team to build AI for national security, working with the MOD and partners such as Leonardo. It focuses on high-stakes ML projects, including UAV automation, edge AI, and LLMs, with the chance to ship models into real-world use.

Founding Engineer at VizCo

Join VizCo as a Founding Engineer in San Francisco to build the governance layer for enterprise AI. VizCo, backed by Entrepreneurs First and led by Stanford HAI PhDs, enables regulated organizations to safely use ChatGPT and Claude through deep Microsoft and Google ecosystem integrations. This high-equity, C-suite trajectory role is suited for a full-stack generalist ready to tackle AI.

Founding AI/ML Engineer at Generalcatalyst

Join as the founding AI/ML Engineer for Curium at Generalcatalyst.com in San Francisco. You’ll help pioneer Generative Engine Optimization alongside a team led by a GPT co-creator and Princeton faculty. The role blends cutting-edge research with production engineering and includes founding equity with VC backing.

AI Product Manager at Chip Financial

AI Product Manager in London, UK, will lead the development of AI-native products at Chip Financial Ltd, including the Wealth Agent. Chip Financial Ltd is a fast-growing UK fintech valued at £208M and serving more than 400,000 users. Reporting to the CPO, this role offers the opportunity to ship real AI features in a regulated wealth-management environment.

Applied AI Engineer at Console

As an Applied AI Engineer at Console.com, you own the core reasoning engine and ship frontier agent architectures. Console.com is building AI-powered automation to replace manual back-office tasks for enterprise software customers. Join a team with members from OpenAI, Sentry, and Cognition and help move from demos to shipping autonomous agents at scale.

Forward Deployed Engineer at Console

As a Solutions Engineer at Console.com in San Francisco, you will own the full customer lifecycle—from architecting AI workflows and shipping integrations to guiding CIOs. Console.com builds AI agents that autonomously resolve IT, HR, and Finance requests for customers such as Databricks, Figma, and Cursor, and is backed by Thrive Capital and DST Global. This role offers the opportunity to help.

Site Reliability Engineer at Equals

Site Reliability Engineer at EQUALS in London. You will own the infrastructure powering the world's largest social music network. This high-autonomy role offers broad scope and the opportunity to contribute through equity.

Content Marketing Manager at Console

Content Marketing Manager at Console.com in San Francisco, CA. Console.com builds AI agents to autonomously resolve operations tasks and is backed by Thrive Capital, serving clients such as Databricks and Figma. You will build a world-class content engine from scratch and help define a new category as the company moves toward a pre-Series B stage.

Founding Hardware Engineer at Monty

Founding Hardware Engineer at Monty AI leads the tactile glove program. Monty is building physical AI data infrastructure for humanoid robotics in San Francisco, collaborating with teams from Meta Superintelligence Labs and Stanford. This role offers end-to-end ownership of the hardware stack and a meaningful founding stake in a fast-moving startup.

Founding Engineer at Muro AI

Founding Engineer - Full Stack at Muro AI in San Francisco. You'll build AI agents to turn weeks of manual bid work into hours and own an end-to-end platform from Electron apps to database architecture in the construction industry. The role offers significant equity and a $200K+ total compensation package at a high-growth startup.

Senior Machine Learning Engineer - Life Sciences at Faculty

As a Senior Machine Learning Engineer at Faculty, you will architect production-grade AI systems for life sciences in London UK. Faculty partners with global pharma firms and is scaling through a move to Accenture. This hands-on leadership role applies engineering rigor to real healthcare challenges.

Full Stack AI Engineer at CreateTOTALLY

Join CreateTOTALLY as a Full Stack AI Engineer to ship real LLM-powered features on a Next.js and AWS stack. Based in Central London (Soho), you’ll work with a London team at CreateTOTALLY transforming marketing workflows for global brands. With 3-5 years of experience, this is an opportunity to lead our AI development effort and turn creative insights into automated actions.

AI/ML Research Engineer at Generalcatalyst

As an AI/ML Research Engineer, you will work with the founders to develop vision-language models and agentic architectures. Join RamAIn at Generalcatalyst.com in San Francisco, CA, a Y Combinator W26 startup building enterprise AI automation. The role offers a ground-floor opportunity with meaningful equity to translate cutting-edge research into production.

Senior Manager at Faculty

We are hiring a Senior Manager for Faculty's Frontier team in London, UK. The role leads deployment of an enterprise-grade decision intelligence platform and bridges AI agents with real-world outcomes in life sciences and healthcare. You will manage global enterprise accounts and help shape the future of human-centric AI alongside a world-class team of data scientists and engineers.

Forward Deployed Engineer, EMEA at Airtable

Forward Deployed Engineer, EMEA at Airtable, based in London, is the technical face of enterprise transformation across the region. You will embed with Fortune 100 customers to architect and ship production-ready AI solutions. As Airtable approaches $500M ARR and launches its frontier agentic layer, the role offers deep technical work with executive-level business impact.

Senior GTM Recruiter at Fireworks AI,

Senior GTM Recruiter at Fireworks AI, Inc. Fireworks AI is a $4B Series C leader in generative AI infrastructure backed by Sequoia and Benchmark. You will own the hiring strategy for 60-80 roles across Sales, Marketing, and Partnerships, partnering with founding leadership in NYC or San Mateo to shape AI-native recruiting.

Senior Data Scientist at Faculty

You will lead the development of Computational Twins for healthcare and life sciences as a Senior Data Scientist at Faculty. Faculty, backed by Accenture, is building Decision Intelligence in London. This role offers the chance to deploy production-grade AI that tests scenarios and improves real-world outcomes.

Design (Frontend) Engineer at Bound

Bound.co is seeking a Design (Frontend) Engineer to join its London, UK team. Help build the future of FX automation for high-growth businesses using React and TypeScript. You'll work directly with the CTO to shape the product's look and feel and build tools that handle billions in volume.

Backend Software Engineer at InTouchNow

Backend Software Engineer (Node.js) at InTouchNow.ai to own core infrastructure and scale real-time voice systems live in 100+ clinics. InTouchNow.ai transforms NHS access with AI voice agents handling patient triage and bookings in 200+ languages. This £80k hybrid role in Borehamwood offers the opportunity to tackle latency challenges and make a tangible impact on UK healthcare.

Fullstack Tech Lead at Nourish Care Systems

Take on a Tech Lead - Fullstack Developer role at Nourish Care Systems Limited in the UK, with 70% hands-on work on a stack including Ruby on Rails, Vue.js, and AWS. Nourish Care is the UK's leading digital care management platform, backed by Livingbridge and trusted by the NHS to replace fragmented paper systems. This remote-first role offers mentoring and the chance to build scalable,.

Founding Forward Deployed Engineer at Covecta

Founding Forward Deployed Engineer at Covecta in London will lead the deployment of Agentic AI across the financial services sector. Covecta is backed by Salesforce Ventures and led by a founding team that scaled Mambu to a €4.7bn valuation. You will work with clients like Metro Bank, tackle legacy bottlenecks with high-impact Python engineering, and receive meaningful equity in this early-stage.

AI Research Scientist at Paddington Robotics

AI Research Scientist at Paddington Robotics Limited in London, focusing on real-world robot deployment. Use live data to build general-purpose models for navigation and manipulation. Join a team with ties to the co-founder of Magic Pony and collaborations with Amazon AGI and InstaDeep, with equity as part of the opportunity.

Staff AI Engineer at Covecta

Staff AI Engineer will lead the technical direction of Covecta's Agentic AI platform for financial institutions in Central London. Covecta, backed by Salesforce Ventures with a $6.5M seed, is building a multi-agent orchestration layer that handles tasks from credit underwriting to KYC screening. This is a rare opportunity to join a revenue-generating startup as its senior AI hire and tackle.

Senior Platform Engineer at 9fin

Senior Platform Engineer in the UK to own and build the security posture from the ground up. 9fin.com recently raised a $170M Series C at a $1.3B valuation. This role offers the chance to design automated guardrails for an AI platform powering the $145 trillion global debt market.

Founding AI Engineer at Pareto Agent

Founding AI Engineer — Agent Runtime at Pareto Agent in San Francisco builds the deterministic runtime for autonomous B2B sales agents. Pareto Agent is a San Francisco-based startup backed with $3.5M, founded by serial entrepreneurs behind LeanData and MediLedger. The role offers up to 1.5% equity and reports directly to a CTO with 20+ years of experience, providing an opportunity to influence.

Founding Engineer - Backend & Data Platform at Greenline

Founding Engineer, Backend and Data Platform at Greenline. Greenline is building data infrastructure to make homeownership accessible to 16.5 million self-employed Americans. This remote senior/staff IC role offers high autonomy to architect a greenfield data platform from scratch and deliver high-impact code.

Head of Technical Staff at Anthrogen

Lead the technical direction as Head of Technical Staff at Anthrogen.com in San Francisco, guiding the production of the world’s largest protein foundation models. Backed by Y Combinator and Paul Graham with $11M in funding, Anthrogen is training 102B-parameter models to design novel therapeutics and molecular machines. This role offers the opportunity to shape a category-defining biotech.

Forward Deployed Engineer at Authsignal

Forward Deployed Engineer (£60-75k) at Authsignal Ltd in the UK. You will own the growing EMEA region, guiding major financial and healthcare clients through technical integrations while building SDKs and developer resources. The role sits at the intersection of engineering and customer success, offering a path to influence passwordless authentication across Europe.

Senior Product Manager - Finance at Cosmoslabs

As Senior Product Manager for Finance at Cosmoslabs.io in New York, you will lead efforts to tokenize global deposits. You will bridge traditional core banking with 24/7 blockchain settlement and handle FDIC insurance, Fedwire, and GL reconciliation. This role offers the opportunity to ship fintech products that manage billions in value within the Cosmos ecosystem.

Deployment Strategist at Encord

Encord is hiring its first US-based Deployment Strategist in San Francisco, CA. You will bridge the gap between technical execution and customer strategy, report to the Chief of Staff, and help build the US post-sales playbook with ML engineers. With 2+ years in technical SaaS deployments, you will own the success of AI deployments for teams like Toyota and Zipline at a high-growth startup.

Account Executive at Grateful

The Account Executive role in London at Grateful offers a £45k-£50k base and ownership of the UK market. Grateful is a hospitality fintech that helps 65,000+ workers receive fair tips through an automated, compliant platform. The opportunity includes a 16% commission and a direct line to the founders in a growing, profitable startup.

Full-Stack AI Engineer at Lakeshield

Full-Stack Engineer role at Lakeshield.com in London, the company’s first engineering hire who will own the architecture and greenfield development of two property finance platforms. This is a rare opportunity to move beyond the ticket queue and shape the product function from the ground up at a profitable, London-based firm. Ideal for a conscientious builder with 1-5 years of experience who.

Product Engineer — Cards at Evervault

Senior Frontend Engineer role at Evervault Limited in London. Evervault is a Sequoia-backed security startup building the encryption layer for the internet's payment stack. Join the London Cards team to design core APIs and primitives that tokenize billions in transactions and own critical infrastructure at a high-growth company.

Security Engineer at Incident

Join Incident.io as their first Security Engineer and shape the security function from the ground up. London-based Incident.io is a $400M Series B startup backed by Index Ventures with an engineering team that includes alumni from Monzo. The role offers £110K–£200K plus equity and the chance to build, coach, and scale security for a fast-moving platform.

Founding Product Engineer at Fleetcraft

Founding Product Engineer at Fleetcraft in Central London. Fleetcraft is a Susa Ventures-backed startup building AI infrastructure for global aerospace, with a founding team in Fitzrovia. The role offers the opportunity to tackle complex aviation engineering challenges and help shape the company's early growth with founding equity.

Full Stack Engineer at Lichenai

Full Stack Engineer role at Lichen AI in Cambridge, UK. You would be the company's first Founding Engineer, helping take a prototype to a production-grade SaaS and shape the technical direction. The position includes a significant equity stake and the opportunity to contribute to a company backed by policy and research expertise.

Platform Engineer at Saturnos

Platform Engineer at Saturnos.com in London, UK. Saturnos.com is a YC-backed, Series A fintech building an AI-native operating system for the £100B+ financial advice market. Help build the infrastructure powering compliance and workflows, using Go and TypeScript, with a genuine stake in a cashflow-positive startup.

Product Engineer at Allied

We are hiring a Product Engineer at Allied in London. Allied is reimagining the defence industrial base with AlliedOS, an AI-native operating system that links the frontline to the factory floor. The role offers meaningful equity and a high-autonomy environment to ship critical technology.

Product Engineer at Gaia.family

Product Engineer at Gaia.family in London, UK, building the financial infrastructure behind IVF access. Gaia.family is a Series B fertility fintech backed by Atomico, reimagining how people pay for family-building. This role offers the chance to contribute code in TypeScript and Python within a small, high-growth team solving a significant healthcare financial challenge.

Senior Fullstack Engineer at Midnite

Senior Fullstack Engineer to lead Midnite's new AI and Back Office team in a UK-remote role. Midnite is a Series C betting platform backed with substantial funding and built on a modern Python/AWS stack. The position combines hands-on development with leadership to build a greenfield internal platform and apply AI across the business.

Senior Backend Engineer at Midnite

The role is Senior Backend Engineer for the Casino UX team at Midnite in the UK. You will build high-throughput APIs and real-time systems for a betting platform handling massive traffic spikes. Midnite is a Series C startup with $75M+ in funding and rapid growth, offering a chance to shape scalable architecture; no gaming experience required.

Managing Director of New Ventures at Redesign Health

The role is Managing Director of New Ventures at Redesign Health in San Francisco. Redesign Health is a healthcare-focused growth platform that has raised over $1.5 billion and launched more than 70 companies. The opportunity involves shaping the venture strategy, recruiting top founding talent, and leveraging an AI-powered operating system to scale healthcare ventures, with a base around $240k.

Lead Backend Engineer at Midnite

Lead Backend Engineer at Midnite to spearhead a brand-new AI and Back Office team. This is a rare player-manager opportunity at a remote-first UK Series C startup, offering autonomy to build greenfield internal platforms and shape how a fintech uses AI to boost engineering workflows. The role requires 7+ years of Python experience and a track record of productionizing LLM-driven tools.

Founding AI Engineer at Pharosyn

Pharosyn is hiring a Founding AI Engineer in Central London to build real-time AI systems for competitive intelligence in pharma and biotech. Backed by Entrepreneurs First, this pre-seed startup replaces manual analyst work by monitoring clinical trials and regulatory filings with LLM-powered software. The role offers direct product ownership, meaningful equity, and the opportunity to join a.

Product Marketer at Duckbill

Join Duckbill as the Founding Product Marketer in San Francisco to shape the narrative for the next generation of cloud financial management. Duckbill is backed by Heavybit and Uncork Capital and is building Skyway to tackle the Fortune 500 cloud cost challenge. This hybrid role will involve close work with the CEO and offers significant equity as the company scales.

Demand Generation Manager at Cronofy

As Demand Generation Manager at Cronofy.com, you will lead ABM efforts and scale the pipeline for the company's scheduling technology. Cronofy powers scheduling infrastructure for 180,000+ global companies and is backed by a £15M investment. This London-based or remote role offers a data-driven marketer the chance to drive growth under SaaS leadership with enterprise clients.

Software Safety Engineer at Scarlet

As a Software Safety Engineer at Scarlet in London, you’ll assess safety-critical software and regulate medical AI, from LLMs to cancer diagnostics. Scarlet is a Creandum-backed authority authorized by governments to certify cutting-edge medical AI. Join a high-growth London team to shape safe, effective medical AI for patients worldwide.

Founding Operations lead in San Francisco will build the operational backbone for a well-funded AI healthcare startup. You will work with the CEO to solve cross-functional challenges in legal, systems, and people ops to modernize clinical care delivery. The role offers significant equity and a clear path to a COO position for a startup-experienced builder.

OpenAI Engineer at Known

OpenAI Engineer at Known in San Francisco will help build AI-driven voice conversations that reimagine human connection. Known is a San Francisco-based company backed by $9.7M from Forerunner Ventures and NFX, pursuing intimate conversational AI. The role offers high autonomy in Cow Hollow to apply frontier AI experience to a product where about 80% of introductions lead to real-world dates.

Founding Forward Deployed Engineer at Corvera

Founding Forward Deployed Engineer at Corvera in San Francisco, CA, to build the AI-native operating system for CPG brands. You’ll work on autonomous agentic workflows and ship production features daily as part of a YC-backed team. The role offers ownership of end-to-end impact in a fast-growing company shaping agentic AI for a global market.

Data Analyst at Future Anthem

Future Anthem is hiring a Data Analyst in London. You will work with a massive dataset of 250 million daily bets to analyze product performance for Flutter and William Hill. Candidates with 2-3 years of Python and SQL experience will design A/B tests and build repeatable analytics in a fast-growing Series A startup.

Staff Software Engineer role in San Francisco at a stealth-stage healthtech AI startup backed by top-tier VCs. You will design and build fault-tolerant, real-time information infrastructure to replace legacy systems in mission-critical environments. This is an opportunity to lead 0-1 platform development with substantial technical impact.

Founding Engineer joining a small, elite team to move V1 from prototype to production. The company is building an edge compute ecosystem to run real-time AI directly in clinical exam rooms. Based in San Francisco, this early role offers the chance to shape the product from day one while tackling hardware constraints, GPU acceleration, and distributed systems.

AI Product Engineer at yhangry

Full Stack Engineer at yhangry in London, UK. Join as a founding-style engineer to rebuild the UK's largest private chef marketplace into an AI-native platform. Backed by Y Combinator and featured on Dragons' Den, the role offers equity and a chance to shape a scaling marketplace.

Founding Full Stack Engineer at NELP

Join NELP as a Founding Full Stack Engineer in San Francisco, CA, and own the full tech stack, from AI-driven workflows to hospital data models. NELP is building the definitive system of record for nursing excellence to improve nurse retention and patient care. Founding-team equity and the chance to work with the CEO enable you to ship code quickly and make a real impact.

Founding Engineer - AI at Muro AI

Founding Engineer, AI at Muro AI in San Francisco leads production AI efforts and owns the stack from computer vision to Procore integrations. Backed by the same VCs behind PlanGrid, Muro AI targets the $13 trillion pre-construction market with agentic workflows. This is a growth opportunity for someone with 4+ years shipping production AI to own end-to-end systems and automate bidding.

Founding Engineer at ThinkDivergent

Founding Engineer at ThinkDivergent in London, building the Neurodevelopmental Operating System for ADHD and autism care. You’ll be the first engineering hire, working with the CTO in an AI-first environment to ship production-grade healthcare software used on live NHS contracts. The role offers high equity and a chance to shape a scalable platform at the intersection of AI and healthcare.

Product Engineer at Incident

Incident.io is hiring a Product Engineer in London to help shape the future of incident response. Backed by $100M from Index Ventures and Insight Partners, Incident.io is a Series B startup. You will work closely with customers, ship features daily, and have the opportunity for significant equity upside.

Senior Product Engineer at Attio

Senior Product Engineer (Backend) at Attio.com, a remote role. Attio is building the CRM for the AI era, backed by GV and Redpoint and led by former Google and Snyk leaders. You'll work on high-scale TypeScript/Node.js features for a platform processing 250k+ events per minute, with equity.

AI Engineer at Tracelight

AI Engineer at Tracelight in London, UK. Backed by $3.6M in seed funding and already used by six of the top ten global consulting firms. This role offers the opportunity to contribute to high-impact AI systems in a fast-paced, high-autonomy environment.

Founding Head of Growth at Letly

Join a high growth, AI native fintech backed by industry heavyweights from Revolut, Raba, and Factorial. As the Founding Head of Growth, you’ll own the acquisition engine for a platform reimagining how 108bn in rental properties are managed and financed. We are looking for a disciplined, hands on operator with 5 8+ years of experience who can bridge the gap between digital experimentation and real world London distribution. If you thrive on building compounding growth loops and want to report directly to a CEO with Goldman Sachs pedigree, this is your chance to define the trajectory of a seed stage standout.

Technical Operations Specialist at Rentmigo

Join an elite team of ex Revolut product owners at a $1.9M funded PropTech startup rebuilding the UK rental market. As a Technical Operations Specialist, you'll act as a 'local CEO,' owning the automation of tenant onboarding, underwriting, and payments from the ground up. If you're looking for more end to end ownership than a 150+ PO org can offer and want to work directly with founders in a central London office, this is your chance to build the operational backbone of a company standardising trust for global mobility.

Senior Full Stack Engineer at LendView,

Are you a Senior Full Stack Engineer ready to step into a potential CTO role? This UK based fintech is replacing the manual spreadsheets of property lending with an AI native operating system. As the sole engineer working directly with the CEO, you will own the entire technical direction, from building complex financial calculation engines to deploying AI document extraction layers that cut funding times by half. If you have 5+ years of TypeScript experience and a background in fintech, this is your chance to lead the transformation of a massive traditional industry with full technical autonomy.

Staff Software Engineer at Fanvue

Join a Sunday Times Best Places to Work 2025 winner that has surpassed $100M+ ARR with 450% YoY growth. As Staff Software Engineer, you will be the most senior individual contributor architecting a platform for 17 million monthly users. This is a rare opportunity to lead a massive monolith to services decomposition while building out core AI infrastructure, including vector stores and LLM orchestration. If you have 10+ years of experience scaling high growth consumer platforms like Monzo or Revolut and want to define the technical future of creator monetization, this is your next move.

As Founding Engineer, you’ll be the second engineering hire focused on backend TypeScript work, building scalable data pipelines and shipping quickly with AI tooling. Join a seed-stage, NYC-based healthtech AI platform that has raised capital and is generating six-figure revenue by tackling data fragmentation for health plans. This role offers meaningful ownership and a seat at the table during.

Chief of Staff at Feltsense

Join an elite team backed by the founders of Crunchbase and Republic as a Chief of Staff building the next generation of autonomous AI founders. This isn't a traditional ops role; you'll be expected to build your own agentic workflows and use tools like Claude Code and OpenClaw to automate the company's internal systems. If you have a high agency mindset and want to work directly with a founder to scale a stealth exit startup at the intersection of distributed infrastructure and applied AI, this is the highest leverage role in the SF Bay Area.

Head of Engineering at Duckbill

Tired of solving the wrong problems in cloud cost management? Join a seed stage powerhouse backed by Uncork and Heavybit that is redefining how the Fortune 500 handles cloud financial data. We've spent seven years researching this problem and are now building the definitive platform to solve it. We're looking for a Head of Engineering to lead the charge—this is a hands on builder role where you'll ship daily, design architecture for 50x scale, and recruit a top tier team in San Francisco. If you thrive on hard data problems and high autonomy, this is your next career defining move.

Full Stack Engineer at Adonis

Healthcare providers lose billions every year to denied claims and broken billing workflows. Join this General Catalyst backed Series C startup in NYC as a Full Stack Engineer to build the AI platform fixing it. With $95M raised and 4x revenue growth, you'll work at 3 World Trade Center alongside an elite team from Google and Cedar. If you have 3+ years of experience with Python and React, plus a background in health tech, this is your chance to own end to end features that directly impact how healthcare gets paid.

Senior Software Engineer at Theseus

Join an elite 6 person team in San Francisco building the future of autonomous navigation. This YC S24 startup just raised $4.3M from First Round Capital to provide GPS denied positioning for the US DoD and NATO. As a Senior Software Engineer, you will own the operator facing product layer—building the mission planning and data tools that keep aircraft on course in contested environments. If you are a high caliber builder with 3+ years of experience in React and Python who wants to ship software used in real world military exercises, this is your chance to build critical defense infrastructure from the ground floor.

Founding Engineer at Corveris

Join a high caliber founding team, including an ex Palantir Tech Lead and a veteran detective, to rebuild the intelligence layer for public safety. This South Park Commons backed startup is replacing legacy paper based reporting with AI that interviews citizens and extracts actionable leads for law enforcement. As a Founding Engineer in San Francisco, you’ll earn $180k $220k plus significant equity while architecting RAG pipelines and core systems that directly impact community safety. If you are a full stack builder with a product mindset and a desire to solve high stakes, real world problems, this is your chance to shape a company from the ground up.

Are you tired of AI demos that look great but fail in production? This San Francisco based startup is hiring an AI Systems Engineer to build autonomous agents that actually work. Backed by top tier VCs, they are moving beyond prompt engineering to create robust infrastructure for multi step workflows, validation, and failure handling. If you have a strong background in systems thinking and backend infrastructure, this is your chance to solve the biggest bottleneck in AI today: reliability. Help define the future of autonomous software in a high impact role with significant equity.

Senior Full-Stack Engineer at Systm

Are you ready to build the financial operating system for the stablecoin era? We are looking for a Senior Full Stack Engineer to serve as a founding technical leader, owning the architecture of a platform that combines Stellar/USDC rails with an AI powered Agentic CFO. Founded by the former COO of a major European crypto payments company and backed by strategic VCs, this startup already has 25+ design partners signed. If you have 5+ years of experience and a track record of shipping AI powered systems at the ground floor, this is your chance to claim 1–5% equity and define the future of programmable finance.

Are you passionate about the future of software development? This fast growing AI startup is looking for a University Program Manager to lead their expansion into top tier computer science programs. You will own the student ambassador strategy, scale global discount programs, and build deep relationships with the next generation of engineers. If you thrive in a high autonomy, talent dense environment and want to shape how students build with AI, this is your chance to define a category leading community program from the ground up.

Are you a high performing closer ready to take ownership of a premium sales pipeline? We are looking for a Sales Representative to join a well funded proptech startup where you will turn qualified inbound leads into closed deals for modern residential solutions. With an OTE of $80K–$120K+ and uncapped commission, this role is designed for results driven professionals who want to lead the full sales cycle and drive significant revenue growth in a booming market.

Software Engineer at Reacher

Join a YC S25 startup crossing 7 figure ARR as they build the AI powered operating system for creator marketing. Used by brands like Under Armour and Logitech, this team is replacing manual workflows with autonomous AI agents. If you have 3 8 years of experience and want to own the agentic transformation of a high growth platform in San Francisco, this is your chance to join a founding tier engineering team with ex Meta pedigree.

Senior Forward Deployed Engineer at Adonis

Healthcare billing is a $4 trillion problem, and this Series C innovator is fixing it with AI. Backed by $95M from General Catalyst and Point72, they are looking for a Senior Forward Deployed Engineer to lead on site deployments at major health systems. If you have 8+ years of experience and want to move beyond writing tickets to building at the intersection of AI and real world medicine, this is your chance. You'll work directly with enterprise customers like Mount Sinai, shipping production code that recovers billions in lost revenue while enjoying 100% paid benefits and a top tier NYC office culture.

Portfolio Investor at Entrepreneurs First

Join the London Funds team of the world's premier talent investor and manage a $13B+ portfolio backed by the founders of Stripe, LinkedIn, and DeepMind. This unique Investment Associate role skips the cold sourcing and puts you directly into the decision making seat for follow on rounds from Seed to Series B. If you have 2 4 years of MBB or VC experience and want to shape the next generation of unicorn founders, this is the most high leverage seat in the London ecosystem.

Mobile Software Engineer at Cauli

Join the UK's largest reusable packaging provider and help eliminate the 10.7 billion items of packaging waste generated annually. Led by a Forbes 30 Under 30 founder, this climate tech startup is looking for a Mobile Engineer to own their Kotlin Multiplatform migration and build the IoT driven infrastructure that makes reuse as easy as throwaway. With 1.6 million pieces of waste already prevented and major clients like the NHS and BT on board, you'll join an ambitious team where your code has a measurable environmental impact and you'll receive meaningful early stage equity.

Backend/Infrastructure Engineer at Mubit

AI agents are currently 'goldfish' that forget every action the moment they finish a task. Join this well funded London startup as their first engineering hire to build the infrastructure layer that gives agents a persistent memory. You'll architect high performance systems with sub 80ms retrieval speeds, working directly with the founding team in Canary Wharf. If you're a systems expert who writes Rust or Go and wants to own the 'hot path' of AI execution history, this is your chance to build the foundational plumbing for the next generation of autonomous agents.

AI Engineer at Stackfix

Bridge the gap between frontier AI and the real economy. This Tier 1 VC backed startup, led by founders who sold companies to TikTok and in the HR tech space, is hiring an AI Engineer to deploy production systems for PE funds and global manufacturers. Forget building another SaaS wrapper—you’ll be working from a private Holborn office to build AI that automates factories and services firms. With an £85k+ salary, significant equity, and direct mentorship from repeat founders, this is the ultimate training ground for future entrepreneurs who want to master the actual application of AI in industry.

Founding Engineer at Delfa

Join an elite team of researchers and engineers from ETH Zurich and Roche at a fast growing London startup fixing the $120B clinical trial bottleneck. With seven figure ARR and 25% monthly growth, this Air Street Capital backed venture is using autonomous AI agents to get life saving treatments to patients faster. As a Founding Engineer, you'll own 0→1 systems from architecture to deployment, working onsite in a high talent density environment to solve one of healthcare's most critical infrastructure problems.

Lead Backend Engineer at LightWork AI

Join a high growth London AI startup as the Lead Backend Engineer and build the operating system for modern property management. Led by a Head of Engineering who scaled teams from zero to 140+ people through a $35M Series B, this role offers the chance to own the architecture of an AI assistant automating 90% of manual property workflows. Working alongside ex Revolut and Cambridge alumni founders, you will shape a category defining platform from its earliest stages, leveraging Node.js and TypeScript to build mission critical systems that solve massive real world problems. This is an elite opportunity for a senior leader to define the technical backbone of a future unicorn.

Are you a rare hybrid who obsesses over both the easing curve of an animation and the cleanliness of your TypeScript code? Join a small, elite team of seven in San Francisco building the next generation of intelligence tools. Backed by the founders of some of tech's most iconic dev tool and SaaS companies, this role offers total ownership over the visual identity of a platform used by top tier VCs and research labs. If you want to define the aesthetic of a high growth startup from the ground up, this is the design engineering opportunity you've been waiting for.

Enterprise Account Executive at Greptile

Join a category defining AI company backed by Benchmark, Paul Graham, and YC that is already reviewing over 1 billion lines of code every month. As a founding era Enterprise AE in San Francisco, you'll own the full sales cycle for a product used by 7,000+ customers ranging from elite startups to big tech and defense. With an OTE up to $450k and significant equity, this is a rare chance to build the enterprise GTM motion for one of the fastest growing AI developer tools in the market alongside a world class team from Stripe and Figma.

Clinical Scientist at Scarlet

Join Europe's only Notified Body specializing in AI medical devices as a Clinical Scientist. This Atomico backed startup is revolutionizing how medical software reaches patients by providing government authorized certifications for the world's most innovative tech companies. If you are a clinician with deep AI/ML technical depth and experience in clinical research, this is a rare opportunity to shape the future of healthcare regulation. You'll work in London with a multidisciplinary team of experts, earning £75K–£90K plus equity, while ensuring groundbreaking diagnostics and autonomous monitoring systems are safe, effective, and ready for market impact.

Sales Associate at Humaans

Join a $20M Series A startup that is redefining the workplace infrastructure with agentic AI. Backed by the founders of Slack, Figma, and Shopify, this London based team is looking for a Sales Associate to drive their outbound engine. If you have 1 2 years of SaaS experience and want to work alongside top tier operators while earning market leading compensation and unique equity benefits, this is your chance to own the next generation of HR technology.

Interim Finance Director at Lottie Organisation

Are you a seasoned finance leader ready to scale one of Europe’s fastest growing tech companies? This Accel and General Catalyst backed startup is seeking an Interim Finance Director to lead their finance function through a critical Series B preparation phase. Based in London with a hybrid model, you will manage a talented team, drive strategic FP&A, and partner directly with the CEO to revolutionize the social care industry. If you have a background in venture backed startups and a passion for mission driven work, this is a career defining opportunity to lead a top ranked UK startup.

Active Device Specialist at Scarlet

Are you an engineer with deep expertise in active medical devices? A high growth, Creandum backed healthtech leader is looking for their first Active Device Specialist to bridge the gap between AI software and hardware certification. You will have the unique opportunity to build an entire assessment function from the ground up, defining how the world's most innovative medical hardware reaches patients. With exponential revenue growth and a government backed mandate, this London based role offers a rare chance to shape the future of healthcare infrastructure while receiving meaningful equity and a pioneering leadership mandate.

Founding Engineer at Corgi

Insurance is a $6 trillion industry running on 30 year old infrastructure, and this YC S24 standout is rebuilding it from scratch. With a $108M Series A at a $630M valuation and $40M+ ARR, they are a licensed carrier—not just a broker—placing AI at the very core of underwriting and claims. They are looking for a Founding Engineer in London to join their Strategic Projects team. If you have 2 4 years of high growth experience and want to ship at a pace that scares most people while working alongside talent from Google and Perplexity, this is your career accelerator.

Are you ready to shape the future of AI safety and platform integrity? We are looking for a Senior Associate to join a high growth tech consultancy in San Francisco, working directly with Big Tech and leading AI labs. You will manage high stakes workstreams, coordinate with a global network of world class experts, and deliver solutions for the most complex digital challenges today. With 100% paid healthcare, equity, and a collaborative hybrid culture, this is a unique chance to transition into a high impact role at the intersection of technology and global policy.

Sales Development Representative at Strala

We are looking for hunters to join a $50M Series A startup rebuilding the $280B insurance industry with AI. Backed by Peter Thiel’s Founders Fund and Bessemer, we have reached multi seven figure ARR in under a year with 50% MoM growth. Our first two sellers closed $3.8M in just three months, moving $500k+ ACV deals at record speed. If you are a competitive SDR with 1 2 years of experience who wants to work directly with a CEO and be fast tracked to an AE role, this is the most intense and rewarding sales seat in San Francisco. We offer uncapped commissions, full relocation, and a high performance culture.

AI/ML Engineer at Known

Are you tired of building internal tools or ad tech? Join a $10M seed stage consumer AI startup backed by Forerunner and NFX that is completely redesigning modern dating. As an early AI/ML Engineer, you will own the core matching engine for a voice first platform where users spend 27 minutes per day interacting with the AI. We are looking for engineers who helped scale recommendation systems at companies like Instagram or Tinder and want to do it again from the ground up. This is a rare chance to work on a product where your models are the entire user experience, offering a $250k $400k base plus significant equity in San Francisco.

Software Engineer (Infrastructure) at Greptile

Join a $30M Benchmark backed startup in San Francisco that is redefining software quality by building AI agents that autonomously validate code. As the infrastructure lead, you’ll own the systems powering code reviews for over 7,000 customers including Nvidia and Coinbase. We are looking for a deep infrastructure expert who loves tinkering with Kubernetes, Docker, and sandboxed environments to scale a platform already reviewing 1 billion lines of code monthly. If you thrive in high velocity, in person environments and want to own the compute backbone of the next generation of developer tools, this is your role.

Product Engineer at Y Combinator

Join an elite 18 person engineering team building the operational backbone for the world’s most influential startup accelerator. This isn’t your typical engineering role—there are no PMs or designers, giving you total ownership of the products that power the admissions and growth of companies like Stripe and OpenAI. With a compensation package reaching $500K plus profit sharing, you'll build AI native systems, automate high stakes workflows, and work alongside the partners who have launched a $600B+ portfolio. If you are a former founder or product minded engineer who loves shipping end to end, this is the most high leverage seat in the startup ecosystem.

Founding Engineer at Tracebit

We are looking for a Founding Engineer to join one of London's fastest growing security startups following a $20M Series A led by FirstMark. This is a rare opportunity to build at the ground floor with a team that has already doubled ARR and signed clients like Riot Games and Snyk. If you want to ship high scale C code daily, fix critical security flaws in global AI systems, and work directly with technical founders in a high energy London office, this role is for you. Help us define the next generation of cloud intrusion detection.

Sales Development Representative at Goodfit

Join a high growth intelligence startup founded by the co founder of Paddle and backed by a $13M Series A from Notion Capital. This isn't your typical high volume SDR grind; you'll engage C suite leaders at top B2B SaaS companies like Clari and Chili Piper to rethink their GTM strategy using proprietary data. With 100% year on year growth and a surplus of inbound demand, we are offering a structured six month promotion path to Account Executive. If you have SaaS outbound experience and are ready to step into a closing role at a profitable, scaling fintech and data leader in London, this is your next career move.

Product Manager at Saturnos

Join the UK market leader building an AI powered operating system for financial advisers. Backed by a $15M Series A from Singular and YC S24, this high conviction fintech is automating complex compliance and research for 450+ firms. As a Product Manager reporting to the CEO, you'll own high stakes domains end to end, shipping AI native features that change how financial advice is delivered to millions. If you have 3 7 years of B2B SaaS experience and a passion for LLMs in regulated markets, this London based role offers massive impact and equity.

Credit Risk Manager at Lendable

Join a profitable UK fintech unicorn backed by Goldman Sachs and Balderton Capital as a Credit Risk Manager. This is a high impact, hands on role where you will own the credit strategy for major consumer finance products across the UK and US. Working alongside an elite team of Oxford and Imperial alumni, you will use Python and SQL to drive sophisticated lending decisions in a low bureaucracy environment. With a base salary up to £120k plus equity and a hybrid Shoreditch office setup, this is a unique opportunity to shape the future of a company already disrupting the trillion dollar banking market.

Senior Data Scientist at Lendable

Join one of London’s most successful fintech unicorns and lead the machine learning initiatives that power their risk based pricing engine. Backed by Goldman Sachs and Balderton, this profitable £3.5bn firm is disrupting traditional banking by getting credit to consumers in minutes. As a Senior Data Scientist, you will have full autonomy to build and deploy proprietary models for the US market, leveraging a massive data repository. If you are a Python expert looking to own mission critical ML products in a high growth environment with in house chefs and hybrid flexibility, this is your next career defining move.

Full-Stack Engineer at Thrad

Join a high caliber founding team building the first ad exchange for the AI era. Already serving millions of ads daily for Fortune 500 clients like Binance and TripAdvisor, this SF based startup is creating the infrastructure layer for monetization inside LLM conversations. If you're a hungry builder who wants to own product end to end and ship code that impacts millions of users on day one, this is your chance to define a new category at the intersection of AI and Adtech.

Account Executive at Centuro Global

Are you a high performing SaaS seller ready to build a US footprint for a disruptive global expansion platform? Backed by 3.3M in funding and led by industry veterans who have successfully exited global immigration firms, this startup is simplifying the complex world of visas, tax, and compliance for Fortune 500s. As the first Account Executive in San Francisco, you’ll own the West Coast territory, drive enterprise deals from discovery to close, and enjoy early employee equity in a category defining scale up. If you have 3 6 years of experience and thrive in greenfield environments, this is your chance to shape the future of cross border work.

Software Engineer at Strala

Join a hyper growth AI startup that is rebuilding the $300B insurance industry from the ground up. Backed by a recent $50M Series A and Peter Thiel’s Founders Fund, this San Francisco based team has reached multi seven figure ARR in less than a year. We are looking for elite engineers—think ICPC winners and ex HFT builders—to own core infrastructure and ship production grade AI pipelines. If you want to work in a high intensity environment with world class talent, zero barriers to productivity, and massive equity upside, this is the role for you.

Software Engineer at Sapiom

Join the elite team building the financial infrastructure for the agentic economy. Backed by $15M from Accel, Anthropic, and Coinbase Ventures, this San Francisco based startup is creating the essential KYA and payment rails that allow AI agents to autonomously transact in the real world. Founded by former Shopify Payments leadership, they are seeking bar raising engineers from backgrounds like Stripe and Modern Treasury who are ready to build the missing layer of the API economy. If you want to define how money moves in the era of AGI, this is the ground floor opportunity you’ve been looking for.

Senior Technical Recruiter at Fleek

Join an a16z and YC backed Series B startup that's fixing the world's broken secondhand supply chain. As the first dedicated talent hire in London, you won't just fill seats; you'll architect the entire technical recruiting function and build custom recruiting tools using Claude Code. If you are a high velocity operator who thrives on ambiguity and wants to work at a company that's tripling in size year on year while saving millions of items from landfills, this is your chance to lead the buildout of a global talent engine. Help us build the AI native backbone for a $350B market.

Chief of Staff at Rivan Industries

Join a high growth climate tech startup backed by Plural and the Collison brothers as they build modular plants to create synthetic fuel cheaper than fossil alternatives. As Chief of Staff, you’ll report to the CEO and design the operating system for the company’s next phase of growth, scaling the team from 25 to 100+ people. Based in Bermondsey, London, this role offers a £6,000/year relocation/local living subsidy and the chance to lead strategic projects across Series B fundraising and global commercial deployment. If you have experience scaling deep tech teams through rapid growth, this is your chance to decarbonize industries that can't be electrified.

Backend Engineer at Proveden

Are you ready to build the infrastructure behind real time voice interpretation? We are looking for the second backend engineer to join a technical founding team in London. This isn't just word for word translation; it's a platform that preserves tone and meaning instantly. You’ll have a seat at the table to design a unified AI API, handle high concurrency systems on Azure, and build the billing and data pipelines from scratch. If you have 4 8 years of experience and thrive in a high autonomy environment where you own the architecture, this is your chance to solve one of the hardest problems in voice AI.

Senior Finance Manager at Focaldata

Join the UK’s 1 fastest growing research technology company as their Senior Finance Manager. Managing £9m in revenue and working with global giants like the Gates Foundation and New Balance, you will own the entire finance function end to end. This is a rare opportunity to move beyond simple reporting and act as a strategic partner to leadership, using AI and automation to build a world class finance stack. If you have 4+ years of scale up experience and a passion for high impact commercial finance, this Hackney based role is your chance to shape a global leader.

Technical Project Manager at Ensembleanalytics

Join an 8 person London startup revolutionizing maritime logistics and port workforce management. This isn't a typical PM role; it's a high impact Founders Associate style position where you'll own the delivery cadence for a platform already live at major UK ports. If you have 0 2 years of experience, high technical literacy, and the hunger to replace manual spreadsheets with sophisticated software, this is your chance to shape a product's scaling phase and work directly with founders in the heart of London.

Smart Contract Engineer at NAVI Labs

Build the foundational layer of DeFi on the fastest growing Layer 1. This market leading protocol dominates the Sui ecosystem with $380M+ TVL and nearly a million users. Backed by OKX Ventures and Hashed, you will own the design and security of mission critical smart contracts that power the network's most trusted lending and LSDeFi platform. If you want to ship Move code that manages hundreds of millions in assets alongside an elite 15 person engineering team in the Bay Area, this is your chance to lead the next wave of DeFi innovation.

Fullstack Engineer at NAVI Labs

Are you a sharp Fullstack Engineer ready to build the future of decentralized finance? Join the most trusted DeFi infrastructure protocol on Sui, currently scaling with over $400M TVL and 900k users. This is a rare greenfield opportunity to join a lean 15 person engineering team where you’ll own product lines from scratch—not just maintain legacy code. Whether you're a crypto native or a Web2 expert looking to break into DeFi, you'll work alongside industry leaders backed by OKX Ventures and Hashed to ship high performance financial tools at massive scale.

Join a team of elite engineers from Waymo and SpaceX building the simulation platform for AI agent self improvement. As a Founding Engineer, you'll develop the containerized sandboxes and orchestration systems that frontier AI labs use to train and evaluate their most capable models. This is a rare opportunity to apply the engineering discipline of self driving cars to the LLM era, owning massive technical domains in a high trust, seed stage environment with significant enterprise traction. If you thrive on technical ambiguity and want to build the infrastructure layer for the future of AI agents, this is the role for you.

Senior Multidisciplinary Engineer at Unlimited

Building data centers and power plants currently takes years of manual engineering; this a16z backed startup is doing it in minutes. We are looking for a Senior Multidisciplinary Engineer—ideally an alum of Tesla, SpaceX, or Anduril—to join a 10 person team already generating millions in revenue. If you have 7 15 years of experience shipping hard hardware and are ready to use AI to automate the future of American infrastructure, this is the most significant product market fit you will find in SF. Relocation and visa support available for those ready to build in person.

AI Growth Engineer at SignalFire

Join the first VC firm built like a technology company and lead the charge in building AI agents that power the future of venture capital. With $3B in assets under management and a proprietary platform tracking 650M employees, you'll work alongside an elite team of former Meta and Google engineers to define how AI sources and scales the next generation of startups. This isn't just a maintenance role; you'll have the budget and autonomy to build a production AI roadmap from scratch at the intersection of technology and finance.

Founder’s Associate at LightWork AI

Are you a top tier consultant, banker, or VC analyst ready to jump into the operator's seat? This post Series A PropTech startup is looking for a Founder's Associate to act as a junior co founder. Working directly with ex Goldman Sachs and Cevian Capital founders, you'll own fundraising materials, commercial strategy, and critical operations. If you're a high agency individual who thrives on ambiguity and wants to help build the AI operating system for property management, this is your chance to gain a front row seat to a category defining company in London.

Social Media Manager at Bloxspring

Are you ready to redefine how the built world communicates? This Farringdon based communications firm is looking for a Social Media Manager to own the digital presence of visionary real estate and climate tech founders. You'll move beyond generic B2B posting to create sharp, design led content across LinkedIn, TikTok, and Substack. If you have 2 3 years of experience, hands on design skills in Figma or Adobe, and a knack for jumping on news cycles, this is your chance to build a team and transform an industry that is wide open for innovation.

Software Engineer at Adamo

Join an elite team of three building the high performance data layer for the robotics revolution. This London based startup has bypassed WebRTC to build a custom sub 40ms latency streaming protocol from scratch, enabling real time remote control of humanoid robots and autonomous vehicles globally. If you are a systems engineer who obsessively optimizes for every millisecond and wants to own the infrastructure connecting humans to robots, this is your chance to join a venture backed company at the ground floor.

Senior Mechanical Engineer at Rivan Industries

Are you a hands on engineer ready to build the hardware that replaces fossil fuels? This seed stage synthetic fuel startup in London is hiring a Senior Mechanical Engineer to own the design and manufacture of entire sub systems from scratch. Working alongside a high intensity team of Imperial and Cambridge engineers, you'll apply first principles thinking to make clean energy cheaper than dirty fuel. With a £70k £90k salary, significant equity, and a unique £6,000/year housing subsidy to live near their Bermondsey HQ, this is a rare opportunity to lead mission driven engineering where it matters most.

Technical Lead / CTO at Fortalis

Are you ready to build the software layer for national resilience? This early stage London startup is seeking a Technical Lead / CTO to architect a platform that integrates cyber, physical, and information signals for high consequence environments. As the first technical hire, you will own the entire stack from a blank slate, working alongside the CEO to solve fragmented security challenges for critical infrastructure. If you have 5 10 years of experience building complex distributed systems and want a role with co founder level equity, this is your chance to build something that truly matters.

Full-Stack Growth Builder at Fleek

Help fix the world's most broken supply chain at a $50M Series B startup backed by a16z and Y Combinator. We are looking for an AI native Full Stack Growth Builder to reinvent lifecycle marketing. Instead of running manual campaigns, you will architect adaptive, automated systems and build reseller tools that drive global retention. If you use tools like Claude or Cursor to ship at 10x speed and have a passion for circular fashion, this London based role offers the chance to own a critical growth lever at a company tripling in size year on year.

QA & Test Engineer at SAIF Autonomy

As autonomous systems move from labs to the real world, the critical question is trust. This Fusion Fund backed startup is building NEXUS, a real time safety guardian that acts as a runtime assurance layer for AI driven platforms. They are looking for a QA & Test Engineer to own their verification program as they move through DO 178C certification for high profile clients like the UK Ministry of Defence and the European Space Agency. If you have experience in safety critical aerospace or defense software and want to build a test function from the ground up in an agile, high impact environment, this is your chance to shape the future of certifiable AI.

Founding Customer Success Specialist at Movo AI

Join as Founding Customer Success Specialist at Movo AI in New York. The role bridges voice AI with youth program owners, and you will own the post-sale journey. You will help sports academies and dance studios automate enrollments while shaping the CS playbook and culture at a lean, high-growth startup.

Founding Engineer at Forgepoint

Help rebuild the $3 trillion American manufacturing base as a Founding Engineer at this a16z backed startup. Led by the former Head of Engineering at Brex and a manufacturing expert from Bain, the team is building AI agents that turn weeks of manual back office work into minutes. With heavy demand from paying customers and backing from founders at Brex and Betterment, this is a rare 0→1 opportunity for a high ownership engineer to ship core AI features and visit the shop floors where their code makes a real world impact. Join an elite 6 person team in NYC and architect the future of industrial software.

Product Engineer at Zavopay

Join an elite founding team at a YC backed (F25) startup that has already scaled to 400+ restaurants and retail businesses since launching in May 2025. As a Product Engineer, you'll ship full stack features across Next.js dashboards and React Native terminals, while building AI agents that automate complex operations. This London based hybrid role offers meaningful equity and the chance to disrupt the fragmented POS market alongside experienced founders in a high intensity, high growth environment.

Full Stack Engineer at Aisy

Join a $2.3M seed funded AI security startup founded by a former HackerOne leader who managed programs for the Ministry of Defence. As a core Full Stack Engineer, you'll build an AI engine that uses real attacker logic to solve the $17B vulnerability management problem. Working directly with the founder in London, you will own ML pipelines and product features, moving beyond basic API calls to train models that identify critical exploit paths. This is a high ownership role for an engineer with 2 6 years of experience who wants to build the future of automated cyber defense alongside world class advisors from DeepMind and 1Password.

Founding Engineer at Spinal

Are you a Python expert ready to build the future of finance? This venture backed startup at London Bridge is looking for their third Founding Engineer to automate complex accounts receivable using agentic AI. You'll move beyond simple prompts to build sophisticated systems with LangGraph and Temporal, replacing manual spreadsheets with autonomous billing agents. If you thrive in high intensity environments and want a significant equity stake in a fast growing company, this is your chance to own a major piece of the product from day one.

Head of Operations at BlueDot Impact

Are you a startup ops lead or former Chief of Staff who misses the early days of building from zero? This $25M San Francisco talent accelerator is looking for a Head of Operations to build their entire backbone from scratch. You will scale the team from 7 to 25, build a new HQ from the ground up, and deploy millions in grants to protect humanity from AI risks. With a $180k $250k salary and total autonomy, this is a rare chance to translate operational excellence into global safety. No AI background required—just high agency and the ability to scale fast.

Founding Engineer at Kiloforge

Join an elite team of AI researchers from Google Brain and DeepMind building the world's first autonomous app factory. Backed by a16z and YC Partners, this startup is disrupting how software is built by shipping one niche focused micro app every single week. As a Founding Engineer in San Francisco, you’ll earn up to $225K plus significant equity while building an automated pipeline that turns specialized community pain points into $1M ARR products. If you have 5+ years of experience and a passion for shipping at terminal velocity, this is your chance to shape the future of AI native engineering.

Are you a high agency engineer ready to build the future of autonomous work? We are looking for a Full Stack Software Engineer to join a well funded AI startup in Redwood City. You will have total ownership over features, building sophisticated AI agents that replace manual labor with intelligent, multi step workflows. If you have 8+ years of experience, a top tier CS background, and already use AI tools to supercharge your coding velocity, this is your chance to lead 0 to 1 product development in a high performance, startup velocity environment.

Head of Operations at SnapMagic

Join a YC backed startup that has doubled its revenue since its seed round and is now scaling an AI Copilot for the $1.3T global electronics industry. Backed by legends like Jeff Dean and Tom Preston Werner, this team is looking for a Head of Operations to serve as the CEO's right hand. You won't just manage processes; you'll build an AI native operating machine from scratch, using agents and automated workflows to scale business, people, and finance operations. If you're a systems thinker who thrives on turning complexity into clarity at a high growth startup, this is your next big move.

Senior Product Designer at zaimler

Most enterprise AI fails because agents lack the context to understand fragmented data. We are building the knowledge graph infrastructure that allows the next decade of AI to reason, not just retrieve. As our Senior Product Designer, you won't just follow existing patterns—you'll invent them. From mapping semantic relationships to helping users debug agent behavior, you will define the design language for the agentic era. Join a veteran team from LinkedIn and Visa and work on 7 figure enterprise problems in a role that offers high equity, a senior peer group, and the chance to shape a new category of AI infrastructure.

Founding Cloud Infrastructure Engineer at zaimler

95% of enterprise AI pilots fail because agents lack domain context. Join a Series A San Mateo startup founded by industry veterans from LinkedIn and Visa to build the missing middle layer. As the Founding Cloud Infrastructure Engineer, you'll design the multi cloud, Kubernetes driven, and GPU optimized systems that power real time reasoning for AI agents. This isn't a maintenance gig; it's a build from scratch role with founding team equity, working alongside an elite senior engineering team to define how the next decade of agentic AI operates at scale.

Senior Frontend Engineer at zaimler

Enterprise AI is failing because agents can't reason over data they don't understand. Join a senior team founded by the former Chief Architect of Visa and LinkedIn’s knowledge graph lead to build the infrastructure layer the next decade of AI will run on. As a Senior Frontend Engineer, you'll own the Graph Semantic Layer experience, building complex visualizations for major enterprise partners. With a $180k $220k base plus early stage equity, this San Mateo based role offers the chance to define the interface of the agentic era.

Senior Applied MLE at zaimler

Enterprise AI is failing because agents lack business context. Join a Series A startup founded by the former Chief Architect of Visa and the creator of LinkedIn’s Skills Graph to build the missing semantic layer for the agentic era. As a Senior Applied MLE in San Mateo, you’ll tackle the hardest problems in knowledge extraction and AI Data Graphs, shipping directly to Fortune 500 customers and defining an entirely new infrastructure category. If you have 4+ years of experience in NLP and LLM fine tuning and want to build the context engine that powers the next decade of AI, this is the role for you.

Head of Content & Sales Enablement at Thrive

Join a UK based startup backed by three rounds of funding as they move from an assessment tool to a category defining behavioural platform. This is a high impact role for a prolific writer who can turn millions of data points into industry leading research while arming a growing sales team with the narrative they need to close. Reporting directly to the CEO, you'll own everything the company says publicly and how it sells privately, scaling inbound demos from 5 to 25 per month. If you have 5+ years in B2B SaaS content and a passion for psychology led tech, this is your chance to build a legacy brand.

Software Engineer at Joinkult

Are you a gamer and an expert in AI? Join an early stage London startup as their second engineer to build the first real time AI copilot for gaming. This isn't just another wrapper; you'll be building low latency voice pipelines, visual state recognition, and deep knowledge engines that watch gameplay and provide expert advice in real time. With a package of £100k £130k plus founding equity, this is a rare opportunity to define the technical foundation of how AI interacts with the multi billion dollar gaming market. If you're ready to move beyond calling APIs and start orchestrating complex AI systems for a product you’d actually use, this is the role for you.

Platform Engineer at Duckbill

Join a stealth mode startup founded by the industry's most recognized cloud cost experts. As a Platform Engineer, you'll own the data infrastructure for a consumption first platform that turns terabytes of messy billing data into million dollar financial decisions. With a built in audience of 35,000+ subscribers and a direct line to Fortune 100 procurement teams, this company is uniquely positioned to dominate a $47 billion market. If you're a Python and SQL expert who thrives on autonomy and wants to build a world class data product from the ground floor in San Francisco, this is the career defining role you've been looking for.

Head of Growth at Blaxel

Are you ready to write the growth playbook for the next generation of cloud computing? We are looking for a founding Head of Growth to join a First Round Capital and YC backed startup that is already processing billions of agent requests for companies like HuggingFace. Founded by a team of six serial entrepreneurs who previously exited their cloud platform, this SF based team is building the specific infrastructure AI agents need to scale. You will have full autonomy to build a high velocity demand generation engine from scratch, leveraging advanced AI automation and deep developer marketing strategies. If you are an execution focused marketer who thrives at the intersection of data and creativity, this is your chance to own growth for a category defining infrastructure platform.

Founding Scientific AI Product Engineer at Pharosyn

Are you tired of manual competitive intelligence and ready to build the future of pharma research? This London based startup, founded by Cambridge AI experts and backed by Entrepreneurs First, is hiring a Founding Product Engineer. You will leverage agentic AI to automate clinical and regulatory monitoring for major pharma enterprises. If you have 2+ years of experience in life sciences strategy and a passion for LLMs, join this founding team to replace manual triage with real time intelligence and earn meaningful equity in the process.

Network Software Engineer at Blaxel

Most cloud networking teams spend their days maintaining legacy stacks—at this First Round backed startup, you'll build a global SDN from scratch. We are architecting the first AI native cloud, optimized specifically for the stateful, ultra low latency demands of agentic AI. If you are a systems focused engineer with deep expertise in Rust, Go, and low level networking primitives like eBPF and DPDK, this is your chance to outpace the major clouds. Join a founding team that has already built and sold a major cloud platform as we scale to billions of requests. $250k $300k + significant equity.

Design Engineer at Aranya

The personal computer era is evolving into the personal cluster era, and we are building the operating system to power it. We are looking for a world class Design Engineer to join our founding team in San Francisco and define how humans interact with distributed systems. If you have the engineering chops to ship production React and the design taste to build the next 'desktop metaphor' for Kubernetes, this is your chance to own the interface of a new computing paradigm. Join a high velocity team of four as we make distributed infrastructure as intuitive as a MacBook.

Market Manager at 8Fleet

Launch the San Francisco market for a high growth startup building the operational backbone for the future of rideshare. Founded by ex Uber executives, this company is professionalizing fleet management and preparing for the autonomous vehicle transition. As Market Manager, you will own the P&L, lead driver recruitment, and scale operations from the ground up in a critical new territory. If you have an entrepreneurial mindset and a background in high stakes operations or consulting, this is your chance to run a business within a business while earning meaningful equity in a scaling mobility leader.

Senior Embedded Systems Engineer at Rivan Industries

Join the mission to decarbonise heavy industry at a London based synthetic fuel startup that has already deployed the UK’s largest plant. As a Senior Embedded Systems Engineer, you will own the end to end hardware and software architecture for modular DAC systems and electrolysers. This is a rare opportunity to join an early team planning to scale 1000x in the next 24 months, offering significant equity, a £6k annual housing stipend to live near their Bermondsey HQ, and the chance to make synthetic fuel cheaper than fossil fuels. Perfect for an expert in PCB design and industrial firmware looking for massive climate impact.

Chemical Lab Technician at Rivan Industries

Help decarbonise heavy industry at a synthetic fuel startup that has already deployed the UK's largest synthetic fuel plant. As a Chemical Lab Technician in London, you'll be at the heart of an R&D facility designed to make synthetic fuel cheaper than fossil fuels. With a massive 1000x scale up planned over the next two years, this is a rare chance to join an early stage team with significant equity, unlimited time off, and a mission critical role in solving the climate crisis through cutting edge chemical engineering and Direct Air Capture technology.

Founding Marketer - Head of Growth at S3 Sensitivity Science

Join a proprietary dental tech startup as the founding marketer and build the growth engine for a brand set to disrupt the global sensitivity market. Co founded by the entrepreneur behind Skin + Me (£70M+ ARR), this role offers a rare chance to work directly with a proven team at the earliest stage. If you are an AI native, D2C obsessed hustler with experience at top UK challenger brands, this is your opportunity to trade corporate structure for founding equity and massive impact. Forget managing budgets—we want a wannabe founder ready to build a market leader from scratch.

Junior Sales Planner at Beams Renovation

Stop chasing cold leads and start helping homeowners solve a real problem. This B Corp certified startup, led by a founder who previously scaled a UK energy giant to a million plus customers, is looking for a Junior Sales Planner to join their East London team. You’ll manage high trust, consultative sales for projects worth up to £80k, working with homeowners who have already raised their hands for help. With an uncapped OTE reaching £55k in year one and share options included, this is a rare chance to join a fast growing scale up that values structure, empathy, and actual market disruption.

Senior Controls Engineer at Rivan Industries

Help save the planet by making synthetic fuel cheaper than fossil fuels. We're looking for a Senior Controls Engineer to join a London based climate tech pioneer that has already deployed the UK’s largest synthetic fuel plant and is ready to scale 1000x. With a package including up to £90k salary, significant equity, and a unique £6,000 annual housing subsidy to live near HQ, this is a rare chance to lead the engineering of a global fleet of decarbonization plants. If you have experience with IEC 61508 and industrial automation in high energy environments, come lead the charge in heavy industry decarbonization.

VP Data & Engineering at Sanogenetics

Are you a technical leader passionate about the intersection of genomics and engineering? This mission driven precision medicine startup is looking for a VP of Data & Engineering to own their technical strategy and lead a high impact team. Reporting directly to the CEO, you will build a multi modal data platform that bridges the gap between pharmaceutical research and life saving treatments. If you thrive in player coach roles within fast moving, remote first environments and want to solve complex data challenges involving sensitive health information, this is your opportunity to make a massive impact on the future of personalized medicine while enjoying top tier benefits and a supportive, autonomous culture.

Senior Power System Engineer at Rivan Industries

Join a mission driven team backed by the founders of Stripe and Plural to decarbonize heavy industry. As a Senior Power System Engineer, you will own the DC electrical architecture for modular plants that turn sunlight into carbon neutral natural gas. Based in a 10,000 sq ft facility in London, you'll design 1MW solar arrays and integrate them directly with custom electrolysers. This isn't a 9 to 5; it's a chance to build the hardware that makes synthetic fuel cheaper than fossil fuels. If you have 5+ years of power systems experience and want to see your designs scale 1000x, this is the role for you.

Product Domain Analyst at Saturnos

Are you a paraplanner tired of the same old report cycles? This Y Combinator backed Series A startup is looking for a specialist to help build the first AI powered operating system for wealth management. Instead of writing reports for one firm, you’ll define what excellence looks like for the entire industry by shaping AI logic, refining FCA compliant outputs, and working alongside a founding team of domain experts. It’s a unique chance to transition your financial services expertise into a high impact product role at one of London's most exciting fintechs. Flexible working and a seat at the table await.

Founding Go-To-Market Lead at Marloo

Are you a financial advice insider ready to lead a major market expansion? A high growth fintech startup backed by Blackbird Ventures is looking for its first US hire to spearhead their go to market efforts in North America. This isn't about following a script; you'll be writing the playbook from scratch for an AI native assistant that has already proven successful in NZ, Australia, and the UK. If you have deep credibility in the RIA or broker dealer ecosystem and want meaningful founding level equity while solving the industry's massive documentation burden, this is the career defining opportunity you've been waiting for.

Founding Software Engineer at Crumb

Are you ready to be the first engineering hire at a startup reshaping the legal profession? We are looking for a Founding Software Engineer to build agentic AI tools that automate high stakes legal workflows. Working directly with a technical co founder, you will own the entire stack—from React and Node.js to AWS infrastructure—without a PM in your way. If you have strong product instincts, experience with complex async workflows, and a desire to build something that defines an industry's future, this is the highest impact role you will find in London's AI scene.

Deployment Strategist at Deducta

Are you a top tier consultant tired of slow feedback loops and implementation free decks? This well funded London startup, led by Rhodes Scholars and ex Bain founders, is hiring a Deployment Strategist to own the delivery of their agentic AI platform for the world’s largest companies. You’ll embed with C suite stakeholders at household name enterprises to transform fragmented data into actionable intelligence, earning £120k while working in an elite 9 person team near London Bridge. If you have an MBB background and a quantitative edge, this is your chance to build a category defining AI company from the ground up.

Are you ready to disrupt the $8B+ ITSM market as a co founder? This pre seed San Francisco startup is moving beyond simple ticket filing to automated resolution directly in Slack. We are looking for a visionary Head of Product or CPO with experience at enterprise giants like ServiceNow or Salesforce who is hungry to build from zero again. With 5 15% equity and a $200k $250k salary, you'll own the product strategy and GTM motion while shaping a company that turns manual IT headaches into deterministic, automated workflows. If you have shipped enterprise automation and want real ownership, this is your next breakthrough.

Head of Growth at Feltsense

Are you ready to build the GTM engine for a company that automates the role of a founder? We are looking for a Head of Growth to join a $5.1M Seed funded startup backed by Draper Associates and the founders of Crunchbase. This isn't about marketing a chatbot; it's about scaling a platform where AI agents independently identify opportunities, build products, and acquire customers. You'll own the entire marketing function from scratch, moving between high level strategy and hands on execution across X, Reddit, and SEO. If you thrive in the 0 to 1 phase and want to define the future of agentic business, this San Francisco based role is your next big move.

Senior Software Engineer (Infrastructure) at Tavus

Join a Sequoia and CRV backed startup building the future of human AI interaction. As a Senior Infrastructure Engineer, you’ll own the GPU and cloud systems powering real time conversational video for over 100,000 developers. From scaling multi provider GPU orchestration to architecting a robust AWS backbone, you will be the technical driver behind emotionally intelligent AI humans that see, hear, and respond in 30+ languages. If you thrive in a fast paced environment with elite talent from NVIDIA and top tier research institutions, this is your opportunity to define the infrastructure of generative video.

Founder's Associate at Seamflow

Join an elite team of former unicorn founders and engineers from Google and X at a high growth London startup transforming the $100B+ testing and certification industry. Having recently closed a 14x oversubscribed $4.5M seed round from the investors behind Spotify and Coinbase, this company is looking for a Founder's Associate to move the needle on GTM, product, and operations. If you are an MBB or finance high flyer looking to transition from advising to building, this role offers the ultimate apprenticeship in venture backed entrepreneurship with meaningful equity and a front row seat to a company already generating six figure revenue while in stealth.

Senior Backend Engineer at Duckbill

Tired of solving the 'wrong part' of cloud cost management? Join a high impact team building a consumption first financial data platform that tackles terabyte scale billing challenges for the Fortune 500. Founded by industry veterans with an audience of 35k+ professionals, this startup is moving out of stealth and looking for a Senior Backend Engineer to own the core Python services and ClickHouse architecture. If you want to build a platform that turns millions of rows of unstructured data into precise business intelligence while enjoying 100% covered premiums and early stage equity, this is the role for you.

Founding Software Engineer at Joinkyber

Commercial aviation loses $15 billion a year to ground delays, and you can build the engine that fixes it. Join a pre seed startup backed by Entrepreneur First as their first engineering hire to own the real time orchestration layer for airport operations. This isn't just another dashboard—it’s a deep systems challenge involving state machines, resource allocation logic, and dependency aware recomputation. Work alongside ex F1 and aviation operations experts to turn noisy live signals into deterministic decisions that keep global flight networks moving. If you’re a backend expert in TypeScript or Python who wants true employee 1 ownership, this is the rarest systems problem in London.

Lead Customer Success Manager at LightWork AI

Are you ready to define how humans and AI collaborate in the property sector? This London based startup is building an autonomous operating system for property management and needs a Lead CSM to build their success function from the ground up. This isn't about sending NPS surveys—it's about leading a fundamental change management shift for enterprise clients adopting AI agents. You will own the full commercial lifecycle and build the playbooks that define the company's future. If you have 5+ years of experience and a builder mentality, this founding level role offers significant equity and the chance to lead a high growth team in Victoria.

Founding Engineer at nettle

Join a high growth London startup as employee 7 and help rebuild the trillion dollar commercial insurance industry from the ground up. Backed by Project A and executives from Allianz and SwissRe, this role offers the rare chance to lead AI engineering and enterprise deployments for global insurers. You'll work directly with ex QuantumBlack founders to ship agentic AI workflows that turn weeks of manual risk assessment into minutes. If you are a senior engineer with 7+ years of experience who thrives on ownership and wants a career defining equity stake, this is the launchpad you've been looking for.

Enterprise Account Executive at Hook

Join one of Europe's fastest growing startups (ranked 33 by Sifted) and sell the predictive intelligence layer for customer growth. Founded by the former CTO of AppDynamics, this Series A powerhouse is using AI and machine learning to help B2B SaaS companies like Salesloft stop churn before it happens. As an Enterprise AE, you will own $100k+ ACV deals, work directly with C suite buyers, and shape the GTM motion for a product backed by Lightspeed and Balderton. If you are an ambitious seller looking for a high impact role with a £200k OTE and significant equity, this is it.

Full-Stack Engineer at Solveintelligence

Join the fastest growing AI startup in the legal space as a Full Stack Engineer in London. This $55M VC backed rocketship is hitting 8 figure ARR with 20 30% MoM growth and is backed by the founders of Stripe, Perplexity, and Hugging Face. You'll work alongside an elite team of PhDs to build the scalable foundations of a platform used by top global firms. If you have the raw intelligence and builder mentality to ship code that transforms a $200B industry, this is your chance to secure life changing equity and foundational impact.

Lead Data Engineer at LightWork AI

Are you ready to own the data layer for a category defining AI platform? This London based startup is automating the £33B property management industry with an autonomous AI agent already managing 14,000 units. As the first Lead Data Engineer, you'll report to a Head of Engineering who has scaled departments to 140 people and through $35M rounds. You will move the product from static data to dynamic, real time intelligence by building the pipelines and vector infrastructure that power Felicity's brain. If you're a Python expert who thrives on building from scratch, this foundational role offers massive equity and the chance to shape the future of PropTech.

PR and Communications Manager at Injective Foundation

Join one of the fastest growing Layer 1 blockchains in the world as their first dedicated PR and Communications Manager. Valued at $1.34B and backed by Mark Cuban, this protocol is bridging the gap between Web3 innovation and mainstream finance. Based in New York, you will have the unique opportunity to build a global media strategy from scratch, leveraging partnerships with giants like Deutsche Telekom to secure top tier coverage. If you are a seasoned storyteller with a deep crypto network and agency honed execution skills, this is your chance to define the narrative for the future of on chain finance.

Social Media and Influencer Marketing Manager at Injective Foundation

Join one of the fastest growing Layer 1 blockchains in Web3 as their Social Media and Influencer Marketing Manager. Backed by Pantera Capital, Jump Crypto, and Mark Cuban, this protocol has already processed $75B+ in volume and is leading the charge in RWA tokenization and on chain AI. We are looking for a crypto native strategist to own our global social voice and lead high impact KOL campaigns. With a salary up to $120K, token awards, and the chance to work at the center of the DeFi ecosystem, this is a career defining role for a social media expert who lives and breathes Web3 culture.

Engineering Technician at Rivan Industries

Help decarbonize heavy industry by building the infrastructure of the future. This Bermondsey based startup, backed by Plural, 20VC, and the Collison brothers, has already deployed the UK’s largest synthetic fuel plant and is ready to scale 1000x. They are looking for a high agency Engineering Technician with 5+ years of experience in welding, machining, and fabrication to supercharge their iteration speed. If you have a passion for building complex physical systems and want a role with a £6k housing subsidy and unlimited PTO, this is the place to make a massive impact on climate change.

Investment Associate at Uncork Capital

Join a legendary seed stage venture firm that helped build Fitbit, Postmates, and LaunchDarkly. As an Investment Associate, you’ll work directly with Partners to source and scale the next generation of AI native companies. This is a rare opportunity for a builder with 2 4 years of experience at a fast growing startup to transition into venture capital, gaining a front row seat to how billion dollar companies are spotted and built from the ground up. If you're deeply embedded in the SF tech ecosystem and have a passion for early stage innovation, this is your chance to shape the future of technology.

Computational Scientist at Rivan Industries

Join the team that recently deployed the UK’s largest synthetic fuel plant and is now scaling 1000x to make fossil fuels obsolete. As a Computational Scientist, you will be the 'puppet master' of the physical world, using bits to move atoms by building the simulation infrastructure that underpins a generation defining climate product. If you have 3 7 years of experience in process modelling and want to work at the intersection of Direct Air Capture and green hydrogen, this Bermondsey based role offers a £70k £80k salary plus a unique £6k annual housing subsidy to live near HQ.

Senior Electrical Design Engineer at Rivan Industries

Join a Plural backed deep tech startup that recently deployed the UK’s largest synthetic fuel plant. As Senior Electrical Design Engineer, you will own the power architecture for modular plants that turn CO2 into carbon neutral fuel. With a £10M seed round and backing from the founders of Stripe, this team is scaling 1000x over the next two years. If you want to build hardware that actually moves the needle on climate change, this is your chance to lead industrial scale design in a high growth, engineer led environment in London.

Founding Deployed Engineer at BUILD,

Join the team building the agentic AI stack for the physical world. Backed by the C suite of OpenAI and Blackstone, this seed stage startup is automating institutional real estate workflows 90% faster than humans. As a Founding Deployed Engineer, you'll bridge the gap between AI research and real world impact, working on site in NYC with trillion dollar asset managers to ship production grade agents. If you thrive on radical autonomy, extreme velocity, and want to see your code translate into massive infrastructure projects breaking ground, this is the definitive founder's track opportunity for 2024.

AI Engineer at BUILD,

Join an elite team backed by Index Ventures and leaders from OpenAI to build the agentic AI stack for the built world. This San Francisco based startup is already at 7 figure revenue, automating trillion dollar real estate workflows that used to take weeks down to hours. As a generalist AI Engineer, you will own the end to end development of production grade agents using LangGraph and Python. If you want radical autonomy, 0.3 1% equity, and the chance to solve hard, unsolved problems at the intersection of AI and physical infrastructure, this is your chance to do your life's work.

Head of Engineering at BUILD,

Are you ready to own the technical evolution of the $300T built world? This Index Ventures backed startup, supported by leaders from OpenAI and Blackstone, is hiring a Head of Engineering to lead their agentic AI platform. With 7 figure revenue already secured and a mission to automate complex institutional real estate workflows, this is a rare opportunity to join a high intensity team at the seed stage. You will build and lead an elite engineering team in SF or NYC, architecting systems that deliver results 90% faster than humans for the world's largest asset managers. If you have scaled vertical AI systems and crave radical autonomy, this is your next career defining role.

Staff Software Engineer at Parafin

Small businesses power the economy, but traditional banks often fail them. This market leading embedded lending platform is changing the status quo, processing billions of data points through AI powered underwriting to provide instant financial tools via partners like Amazon and DoorDash. With $534M in funding and a spot on the Forbes Fintech 50, they are looking for a Staff Engineer to re architect their systems for the next phase of scale. If you have 6+ years of experience and want to join a lean, elite team of engineers from Robinhood and Stripe, this is your chance to build infrastructure that moves real money for hundreds of thousands of businesses.

Engineering Manager at Lendable

Join one of the world's most successful fintech companies as they expand their Superapp to 1M+ customers. This isn't a maintenance role; you'll be leading a 0 to 1 product team to launch new consumer finance products that challenge the big banks. With a £3.5bn valuation and backing from Goldman Sachs and Balderton, this profitable unicorn offers a rare blend of stability and high impact startup energy. If you're an outcomes driven leader who loves shipping high quality code and building resilient engineering teams, this is the career defining move you've been looking for in the heart of London.

EA to CEO & Founder at Fanvue

Join one of the world's fastest growing creator platforms as a true force multiplier for the CEO. With $100M+ in ARR and a recent $22M Series A, this scale up is redefining creator monetization through AI. This isn't a traditional admin role—you'll spend 70% of your time driving strategic projects, managing high level partnerships, and extracting data insights to fuel 450% YoY growth. If you are a high ownership EA with 5+ years of C suite experience who thrives in high velocity tech environments, this London based hybrid role offers unparalleled access to the center of strategy and execution.

Founding Engineer at Marloo

Join a high growth fintech startup backed by Blackbird ($2.7M raised) that is redefining financial advice through AI. As Founding Engineer in London, you won't just be taking tickets—you'll be the codebase authority, architecting a system from 0 1 that replaces decades old legacy software. Working alongside a high output team, you'll leverage LLMs to build agentic features and native mobile experiences that help families make better life decisions. If you're a builder who thrives on execution speed and wants to own the technical roadmap of a company growing 45% month over month, this is the role for you.

Product Engineer at Seal.run

Join a high impact YC S20 startup that is replacing the fragmented legacy software used in drug development with an AI native GxP Execution System. As a Product Engineer, you'll own critical systems design problems and build the infrastructure helping 50+ regulated companies—like Beckman Coulter—reduce paperwork by 80% and launch therapies faster. If you are a first principles thinker obsessed with shipping high quality products and thrive in an intense, high ownership environment in London or Research Triangle Park, this is the challenge you've been looking for.

Product Engineer at Gizmo

Join one of the UK's fastest growing AI startups as they scale a learning platform to 1 billion users. With 1.7 million monthly active users and $5M ARR, this $22M Series A company is looking for a Staff level Product Engineer to lead their AI initiatives. Working directly with the CEO, you will ship production grade LLM features and agentic workflows that redefine how the world learns. If you have 8+ years of experience and a passion for high impact AI, this Shoreditch based role offers up to £200k plus equity.

Account Executive at V7

Join the AI agent revolution as a founding member of the New York sales team for a $40M Series A platform backed by the creators of Transformers and Gemini. As an Account Executive, you'll own a specific vertical like Finance or Legal, driving $30K–$250K ARR deals for a high growth startup already trusted by GE Healthcare and Siemens. This is a rare opportunity to sell verifiable, no code AI agents to regulated industries while shaping the GTM playbook for a company recently named to the Deloitte Fast 50.

Founding Engineer at Fig AI

Food manufacturing is a $750B industry still running on pen and paper. This $1.8M pre seed startup, backed by Innovation Endeavors (Eric Schmidt's fund) and angels from OpenAI and Instacart, is building the AI agents that will finally automate it. As a Founding Engineer, you'll work directly with a pedigree team of Stanford MBAs and industry veterans to build RAG systems and computer use agents that handle everything from complex compliance to sales discovery. If you're a pragmatic builder who wants to trade architectural debates for high impact shipping and meaningful founding equity, this San Francisco based role is your chance to own a massive vertical from day zero.

Chief of Staff at Dealflowagent

Are you a high agency operator ready to disrupt the traditional M&A landscape? This AI native advisory firm, backed by legendary founders with 8 9 figure exits and former Evercore VPs, is hiring a Founding Chief of Staff to own GTM and operations. You'll move with speed using proprietary conversational AI to close deals in weeks, not months. With a $90k base, significant profit sharing, and 1% equity on an accelerated vesting schedule, this is a career defining opportunity to modernize how essential service businesses are sold. If you have M&A experience and startup DNA, apply to build the future of dealmaking.

Performance Marketing Executive at Winwink

Are you a performance marketing specialist ready to take full ownership of a scaling ad budget? This fast growing UK competition platform is looking for a hands on executor to lead their paid media strategy across Meta, Reddit, and TikTok. With 50+ new competitions launching every week and a loyal community of winners, you'll join a lean, high impact team where your work directly drives daily growth. If you're a data driven marketer with a passion for gaming tech and collectibles, this is your chance to shape the marketing engine of a brand entering its biggest growth phase yet.

VP of Operations at Joyous.team

Join one of the world's largest ketamine therapy programs as the VP of Operations. This Silicon Valley based Public Benefit Corporation has already treated 85,000+ patients and is now scaling its clinical workforce to 200+ providers. You will own the transition to a W 2 Professional Corporation model, manage multi state regulatory compliance, and partner with AI experts to automate clinical workflows. If you have deep experience managing clinical teams in behavioral health or telehealth and want to lead at the intersection of psychiatric excellence and cutting edge technology, this is your opportunity to shape the future of mental health equity.

Data Infrastructure Engineer at zaimler

Most AI fails because agents can't reason over fragmented data. This Pear VC backed startup, founded by the former Chief Architect of Visa and LinkedIn’s Knowledge Graph lead, is building the context infrastructure for the agentic era. They are looking for a Data Infrastructure Engineer to build the distributed storage and query engines that allow AI to understand enterprise data at scale. With a $180k $240k salary and founding team equity, this is a rare opportunity to build the backbone of AI reasoning alongside world class systems pioneers in San Mateo.

Member of Technical Staff at Mantic

Join the team behind the world’s most accurate AI forecasting system, recently ranked 4th out of 500+ competitors in the Metaculus Cup and recognized by Polymarket as a market leader. Backed by a fresh, unannounced major seed round and a $4M pre seed, this London based startup features an elite engineering roster from DeepMind, Citadel, and Palantir. As a Member of Technical Staff, you will build sophisticated LLM agents to solve judgmental forecasting in geopolitics and economics, pushing the frontier of machine reasoning alongside world class researchers. If you are a high achieving coder with a passion for statistics and LLM scaffolding, this is a unique chance to solve one of AI's most exciting problems.

Partner at Saturnos

Join the UK market leader in AI powered financial advice as a Partner. Backed by a $15M Series A from Singular and Y Combinator, this YC S24 startup is building the operating system for financial advisers, already serving 600+ firms. You will own high stakes enterprise relationships with national wealth management networks and PE backed consolidators, driving a mission to democratize financial advice for one billion people. If you have 4 8+ years of enterprise SaaS experience and want to shape a category defining fintech, this London based role offers the autonomy and equity to build your life's work.

Founding Product Engineer at Briefcase

Join an ambitious founding team in London building the future of finance with a fleet of autonomous AI agents. This isn't just another SaaS tool; it's a complete reimagining of accounting workflows where you'll ship 20 30 times a day and own the product end to end. If you are a high agency engineer who thrives on urgency and wants to work with React, TypeScript, and the latest AI stacks alongside top tier talent, this is your chance to build a category defining company from the ground up.

Are you tired of building basic chatbots? Join a high caliber team of repeat founders in San Francisco to build a proactive AI mentor that actually understands humans. As a founding engineer at this well funded startup, you will solve massive technical hurdles in long term memory and agentic behavior while shipping a product designed to push people toward their goals. If you are a world class builder who wants to create a generational consumer company from the ground up, this is the seat for you.

Full Stack Engineer at Magentic

Join a world class team from OpenAI, NASA, and Meta to redefine how the world’s largest manufacturers manage $3 trillion in supply chains. As a front end leaning Full Stack Engineer at this Sequoia backed startup, you'll own the product experience for next generation AI agents. With a competitive £110k £120k salary plus equity, this is a rare opportunity to shape an elite technical culture from the ground up while shipping AI products that handle complexity humans find overwhelming. If you have 6+ years of experience and a passion for polished UI/UX, apply to join this London based mission.

AI Engineer at Electric Twin

Join an elite team in London building the future of audience intelligence. This $14M Series A startup, backed by Atomico, LocalGlobe, and Marc Andreessen, is creating 'synthetic populations' that predict human behavior with 95% accuracy. Founded by the UK PM’s former Chief Data Adviser, they are looking for an AI Engineer to design the cognitive architectures and memory systems that bring these agents to life. If you have a background in human behavior research and hands on LLM engineering, this is a rare chance to work on technology validated by the LSE that is already transforming how global brands like News UK make decisions.

Partner Marketing Manager at Gigs

Join one of Fast Company’s Most Innovative Companies of 2025 and shape the future of embedded connectivity. As Partner Marketing Manager at this $100M Series B powerhouse, you'll work alongside elite fintech talent from Cash App and Afterpay to build a world class partner ecosystem. This isn't just about leads—you'll own the full enterprise lifecycle, from strategic positioning to revenue driving adoption playbooks for partners like AT&T and Vodafone. If you’re a data driven storyteller ready to build a function at a high growth startup backed by Ribbit Capital and Y Combinator, this is your next move.

Founding Product Engineer at cubic

Join an elite team of four ex founders building the world's first AI native replacement for GitHub. Fresh off a high profile seed round from Sequoia India and Vercel execs, this startup is growing 50% MoM and already powers the workflows of top engineering teams like n8n and the Linux Foundation. As the first Founding Product Engineer in London, you will have total autonomy to define a new product category, working with a cutting edge stack (Next.js, Vercel AI SDK, Modal) to rethink how software is built when AI is writing the code. If you have 5+ years of experience and the pragmatism to be your own PM, this is a career defining opportunity to impact billions of users.

Account Manager at Fleek

The fashion industry sends 60% of garments to landfills, but this a16z backed Series B startup is fixing the broken supply chain with AI. They are looking for an entrepreneurial Account Manager to join their London HQ and own a portfolio of global resellers. With $50M in funding and a mission to make secondhand the first choice, you'll drive 20% MoM growth while leveraging AI to scale the global clothing trade. If you want high ownership, a performance driven bonus, and the chance to build a $350B market leader, this is your next move.

Lead Product Engineer at Fyxer AI

We are looking for a Lead Product Engineer to join an elite team that has scaled from $1M to $30M ARR in a single year. Ranked 7 on the a16z top AI apps list, this startup is solving the email productivity crisis with pure play applied AI. You will have total autonomy to lead product strategy and execution without PMs, working alongside former founders to ship systems used by millions. Backed by Madrona and Marc Benioff, this role offers London's highest compensation packages and a chance to build a $10B+ company from the ground up.

Founding Engineer at Nero

Join a lean team of six as the first engineering hire at a profitable pre seed startup backed by Yamaha Music Innovation Fund. This company is building the monetization infrastructure for the livestreaming era, already processing $500k in GMV monthly and serving 600k+ users. You'll work directly with the CTO to architect real time systems and fan CRM tools that help creators monetize their audiences on Twitch, Instagram, and TikTok. If you're a high velocity full stack engineer who loves music and wants a significant equity stake in a fast growing, profitable venture, this is your chance to shape the future of creator engagement.

Senior PHP Engineer at Lendable

Tired of cash burning startups? Join a profitable fintech unicorn valued at £3.5bn and backed by Goldman Sachs. As a Senior PHP Engineer, you'll rebuild consumer finance products from scratch using PHP 8, Symfony, and DDD. With a salary up to £120k, equity, and in house chefs, this is a unique chance to work on high scale systems within a low ego, engineering led culture currently expanding into the US market.

Account Executive at AskVinny

Property operations is a multi billion pound industry still stuck in spreadsheets. This Antler backed startup is changing that with an AI teammate that automates everything from leasing to maintenance for over 200,000 properties. They are looking for their first Account Executive to take over a proven sales motion from the CEO and help scale their managed portfolio by 14x in 2026. If you have 3+ years of B2B SaaS closing experience and want founding equity in a tier one VC backed company led by ex Deel and Goodlord founders, this is the career defining role you've been looking for.

Customer Success Manager at Hook

Are you a CS professional who wants to sell to other CS professionals? Join this high growth, Series A startup backed by Balderton Capital and Lightspeed that is revolutionizing customer growth through AI. Ranked 33 on the Sifted 100, they are building a predictive layer that helps businesses turn data into revenue. You'll own strategic partnerships with some of the world's fastest growing companies, driving renewals and shaping the future of Customer Success as a data driven discipline. If you have 3 7 years of SaaS experience and a commercial mindset, this is your chance to lead at the intersection of machine learning and revenue strategy.

AI Developer Tooling Engineer at Fanvue

Join a triple digit growth creator economy platform as their first AI Developer Tooling Engineer. With a $22M Series A and $100M+ ARR, this high scale startup is hiring a TypeScript expert to own their internal AI stack. You will build MCP servers and agent led workflows that act as a force multiplier for an elite engineering team featuring talent from Amazon and TikTok. If you're a power user of Cursor and Claude Code who wants to define the future of AI assisted development at scale, this is your next career move.

Demand Generation Manager at Centuro Global

Global mobility is being disrupted by shifting policies and remote work, making the demand for frictionless compliance higher than ever. This VC backed startup is cutting through the red tape with an AI powered hybrid platform, and they need a hands on Demand Generation Manager to fuel their next phase of growth. Reporting to a veteran growth leader who has scaled multiple B2B SaaS successes, you'll own the full funnel—from LinkedIn ads to sales sequences. If you have 1 4 years of B2B SaaS experience and a builder mindset, this is your chance to shape a category defining growth engine in the heart of London.

Senior Backend Software Engineer at Fleek

Join an a16z and YC backed startup that is fixing the world's most broken supply chain by digitizing the $350B secondhand fashion market. Working directly under a CTO from Google and Postmates, you'll build the AI native backbone for a platform that has already saved 9 million items from landfills and is tripling in size annually. This is a rare opportunity for a Senior Backend Engineer to own the entire ecommerce journey—from discovery to global payments—while integrating proprietary AI models into a high scale B2B marketplace. If you thrive in high ownership, on site environments in Shoreditch and want to solve genuinely novel technical problems, this Series B leader is the place to be.

Frontend Developer at NexusAM

Join an elite team of AI researchers and materials scientists from Imperial College London who are solving the billion pound bottleneck in metal 3D printing. As a Frontend Developer, you won’t just be building dashboards—you’ll be designing the interfaces that allow aerospace and medical engineers to visualize real time sensor data and 3D point clouds. This is a high impact role where you will own the frontend for a platform already being deployed to UK factories, turning complex AI insights into tools that ensure the safety of mission critical components. If you have strong React/TypeScript skills and a design instinct, this is your chance to build the future of advanced manufacturing in Central London.

Senior HubSpot Consultant at Pineo

Are you a HubSpot expert looking to transition from a consultant to a leader? This is a unique opportunity to join a high growth HubSpot Platinum Partner as their first full time hire. Working directly alongside a founder with 15+ years of tech experience, you will own complex CRM architectures and lead technical migrations for a diverse client base. With a clear path to senior leadership and potential partnership, this role is designed for someone who wants to build a team, not just join one. If you thrive on technical autonomy and high impact delivery, apply today.

AI Engineer at Lendable

Join a greenfield Internal Automation team at one of the UK’s most successful $3.8B fintech unicorns. As an AI Engineer, you won’t just be doing research; you’ll be building real tools—like RAG pipelines and agentic workflows—that ship within days and save teams hours of work. If you have 4+ years of experience in Python/TypeScript and a passion for LLM tooling, this is your chance to shape how a premier financial technology company adopts AI from the ground up while enjoying a competitive £90k £110k salary plus equity.

Founding Forward Deployed Engineer at Arrakis Technologies

Join an elite team of former Palantir and DeliveryHero engineers at an Accel backed startup building the AI native OS for the physical economy. As a Founding Forward Deployed Engineer in London, you won't just build demos; you'll embed with commodity traders and manufacturing giants to deploy AI agents in mission critical environments. This is a high stakes, founding tier role where you’ll translate operational chaos into functioning systems, driving million dollar decisions in real time while owning the path to commanding entire industrial verticals.

Data Engineering Lead at 9fin

Data Engineering Lead at 9fin in London, owning the platform for data ingestion and customer-facing APIs. As a hands-on player-coach, you'll define the technical roadmap, grow a high-performing team, and ship rapidly. Backed by Spark Capital and Highland Europe in a Series B, 9fin offers the opportunity to shape data-as-a-product at a fast-growing fintech.

Founding Product Engineer at Pool

Help build the future of shared money as the third engineer at this high growth SF startup. Backed by Notation Capital and led by a veteran YC founder, this team is replacing clunky spreadsheets and awkward IOUs with a sophisticated co ownership financial platform. If you have deep React expertise, a passion for consumer UX, and want to own 1% of a resilient fintech mission, this is your chance to shape a product processing real world transactions for thousands of users on day one.

Lead AI/Python Engineer at LightWork AI

Are you a technically elite engineer ready to lead? This London based Service as a Software startup is looking for a Lead AI/Python Engineer to architect the future of autonomous property management. With a path to partnership and a mission to automate 80% of administrative tasks through cutting edge AI agents, you’ll mentor a growing team and deploy state of the art models into a massive UK market. If you have 7+ years of experience and a passion for building scalable, high impact systems, this Victoria based role offers the rare chance to shape a scaling startup's technology roadmap from the ground up.

Senior / Staff Product Engineer at Evervault

Join an elite team of 25 building the critical encryption layer for the world's most successful fintechs. Backed by Sequoia, Kleiner Perkins, and Index Ventures, this $46M funded startup is processing $5B+ in annual transaction volume. As a Product Engineer, you'll own the design and implementation of core payments infrastructure—from card tokenization to network integrations—using Rust and TypeScript. If you have a passion for developer experience and want to ship code that secures millions of transactions for companies like Ramp and Rippling, this is your opportunity to have massive impact in a high growth environment.

Founding Engineer at Tightrope AI,

Join a elite four person team backed by $7M from Amplify Partners to disrupt the $38B intelligent automation market. Founded by early leaders from Merge, Stytch, and Coinbase, this startup is replacing brittle RPA services with an AI native browser platform that makes computer use reliable for high stakes enterprise workflows. If you are a systems leaning engineer ready to tackle anti bot detection and self healing UIs while owning the product roadmap, this is your chance to put your fingerprints on a category defining company from day one in San Francisco.

Senior Full-Stack Product Engineer at Arva AI

Financial crime compliance is a multi billion dollar bottleneck, and this YC S24 startup is using AI to automate it. Backed by Google's Gradient Ventures, they are hiring a Senior Full Stack Product Engineer in London to build AI agents that handle document fraud and KYC reviews. You'll work directly with ex Revolut and ex Google founders, owning everything from the React frontend to model fine tuning. If you want to move with "relentless urgency" and see your code impact global banks within days, this is the place to do it.

Staff Engineer at Dayhofflabs

Join an elite team of researchers from DeepMind, Google, and CERN at a DCVC backed startup building the future of artificial biology. As a Staff Engineer, you will own the technical infrastructure for a revolutionary platform founded by the creator of AlphaFold. You'll bridge the gap between frontier ML models and production ready biochemistry tools, designing greenfield database architectures and scaling cloud systems that drive discovery in pharma, energy, and beyond. This is a high agency role for a generalist engineer who wants to shape the foundations of a company solving synthesis and compute through computational chemistry.

Mid/Senior Product Engineer at Versey

We're building Cursor, but for writing. Join an elite London based team recognized as one of the 100 hottest startups in Europe. Backed by $3M from heavyweights like 8VC, Venrex, and scouts from Sequoia and A16z, we are reinventing the editor for serious writers who value thinking over generic AI automation. As a Product Engineer, you will build a high craft, local first platform using Next.js and LangGraph, shipping features that define the future of human AI collaboration. If you have deep product taste and love tools like Linear and Superhuman, this is your chance to shape the next great writing interface.

Head of Design at Fanvue

Rare opportunity for a world class designer to own the visual identity of a platform with $100M+ ARR and triple digit growth. Fresh off a $22M Series A, this creator economy leader is hiring a Head of Design to elevate their UI to a premium standard and define how millions of users interact with AI native tools. Unlike most leadership roles, this is a craft first position where you'll stay hands on in Figma, working directly with the founder to shape the future of the creator economy. If you have a background at design led giants like Airbnb or Revolut and want to build at massive scale, this is your next career defining move.

Founding Engineer at Kip-ai

Join a high pedigree founding team from Stanford and Snowflake as their first engineering hire. This isn't another fintech dashboard; it's an AI native Personal CFO designed to fix the structural wealth gap for Millennials and Gen Z. You will architect autonomous agents and complex financial simulation engines from the ground up while earning a top tier salary and founding equity. If you are an AI first builder who thrives on ownership and wants to ship products that define the future of personal finance, this is the most impactful role in the Bay Area right now.

Growth & Commercial Strategy at Tunic Pay

Join an elite team of fintech and AI veterans from Monzo and Palantir as a Growth & Commercial Strategy lead. This pre empted Series A startup, led by founders who previously raised $130M+, is building the definitive Payment Context Protocol to stop scams in real time. You'll own the commercial engine end to end, from pitching the UK's largest banks to driving global expansion. If you have 4+ years of strategy or BizOps experience and want to join a ground floor rocketship in London with visa sponsorship and significant equity, this is the most impactful role in the market.

Kubernetes DevOps Engineer at Aranya

Building the 'operating system' for AI inference, this MIT founded seed stage startup is making distributed computing as accessible as the PC once was. They are looking for a Kubernetes expert who can move beyond managed services to build bare metal clusters from scratch for a $5B customer. You will work directly with a technical co founder who built infra at Crusoe Energy, owning the full stack of GitOps, GPU orchestration, and high performance networking in San Francisco. If you want to skip the platform team bureaucracy and ship production grade infrastructure for the AI boom, this is your role.

Principal Engineer at Rivulo

Join an elite team as the first technical hire for a London based AI startup led by founders with multiple successful exits. This isn't just another wrapper; you'll be building the infrastructure that allows non technical teams to deploy complex, reliable agent led workflows. With 2% equity, radical autonomy, and a technical stack moving toward the frontier of multi model orchestration, this is a career defining opportunity to shape a company from the ground up while solving deep engineering challenges in LLM reliability and browser automation.

Senior M&A Advisor at Dealflowagent

Are you a high performing M&A professional tired of the back room analyst grind? This AI native advisory firm, backed by early investors in SpaceX and Notion, is hiring a Senior M&A Advisor to lead their founding team in London. You'll own the entire deal lifecycle for SMBs using proprietary AI tools that handle the heavy lifting, allowing you to manage more volume and earn uncapped 10 15% commissions. With a £72k base, 1% founding equity, and a model that has seen peers earn seven figure bonuses, this is the ultimate role for a deal maker with a startup operator's mindset.

Principal Engineer at Openr

Join a scaling London based SaaS startup that is revolutionizing how the hospitality industry manages data. Backed by the prominent Azzurri Group and already live in 1,500+ venues, this company is solving the manual nightmare of menu and price management for major restaurant chains. As the Principal Engineer and senior most IC, you will work directly with the Head of Engineering to shape a sophisticated, event driven TypeScript and AWS serverless architecture. This is a rare opportunity to play a foundational technical role in a revenue generating business with massive market traction, all while maintaining a healthy hybrid work life balance in Central London.

Enterprise Account Manager at nPlan

Construction is one of the world's least digitized industries, leading to endemic delays and cost overruns—until now. This fast scaling startup has built a breakthrough AI platform that has analyzed $2T in project data to predict risks before they happen. They are looking for an Enterprise Account Manager to hunt new logos and scale their presence across EMEA and APAC. If you have 4+ years of SaaS sales experience and understand the complex world of major infrastructure projects, this is your chance to sell a category defining product with a £180k OTE and meaningful equity.

Are you ready to build the first AI first medical practice from the ground up? We are looking for a Founding Product Engineer to join a well funded healthtech startup in San Francisco. Unlike typical health apps, you’ll build the real world interfaces used by clinicians to diagnose and treat patients daily. If you are a React and TypeScript expert who wants to ship code that actually saves lives while working alongside a founding team of serial entrepreneurs, this is your chance to own a core piece of the future of healthcare.

Are you ready to build the 'AI brain' of a modern medical practice? This well funded San Francisco startup is hiring a Founding AI Engineer to move beyond chatbots and build LLM systems that handle real clinical diagnosis and treatment. You'll work directly with physicians to ship production ready AI that manages patient care, prescriptions, and lab orders. With a team that has previously scaled companies to $100M+ in revenue and backing from top tier VCs, this is a rare chance to solve high stakes engineering problems while making a tangible impact on human health outcomes. If you're an AI native engineer with production RAG experience, this founding role offers significant equity and technical ownership.

Member of Technical Staff at Zuba

Join the team building the first full stack cross border payments platform powered by stablecoin rails to unlock the potential of African trade. Based in London, this Member of Technical Staff role offers the chance to build mission critical infrastructure from the ground up, moving real money at scale while leveraging blockchain and AI tools. If you are an ambitious engineer with startup DNA who wants to solve hard problems in payments, treasury, and infrastructure, this is your chance to have a massive impact on an entire continent's economy.

Founding AI Engineer at Fleetcraft

Join a high growth aerospace startup backed by Susa Ventures (early investors in unicorns and Anduril) as a Founding AI Engineer in London. You will build production grade AI systems that modernize how aircraft are maintained and manufactured, working with a team of industry veterans who have launched satellites and run major airlines. With a valuation that doubled in just one year and active contracts across three continents, this is a rare opportunity to own the AI stack at the intersection of heavy engineering and cutting edge software. If you have 2+ years of experience with Python and LLMs and want to solve real world problems that keep the world flying, apply now.

Join a well funded, AI first medical practice in San Francisco as their first Data Engineer. You'll build the backbone of a platform that delivers real clinical care, transforming messy medical records into life saving insights. Founded by a team with a $100M+ exit and backed by top tier VCs, this role offers the rare chance to architect a modern healthcare data system from scratch and ship code that impacts patient outcomes daily. If you're a Python expert with deep FHIR/HL7 experience and a passion for AI, this is your opportunity to lead the next generation of healthcare technology.

Founding Product Engineer at Asteroid

Join a YC backed startup as their Founding Product Engineer to design the world's first interface for supervising autonomous computer use agents. Backed by angels from OpenAI and Hugging Face, you'll own the entire UX for a platform already processing thousands of mission critical healthcare tasks daily. If you have incredible taste and want to define how humans interact with AGI powered workforces, this greenfield role in San Francisco is your chance to shape the future of the global economy.

Machine Learning Engineer at Teamcando

Join a mission driven startup building the world's most advanced on device child safety technology. Backed by the founder of Tide Business Bank and partnered with Mumsnet, this role offers the rare chance to lead an entire ML capability. You will architect real time AI that protects children from harmful content across all apps while keeping data strictly private. If you're a builder who wants to apply cutting edge CV and NLP research to a problem that matters—supported by figures like Sir Tim Berners Lee—this is your opportunity to own a critical technical roadmap from day one.

Senior Product Engineer at Tavus

Are you ready to build the future of human computer interaction? This Sequoia backed Series B AI research lab is hiring a Senior Product Engineer to develop real time AI Humans that see, hear, and respond with empathy. With a fresh $40M in funding and a team from Y Combinator and Scale Venture Partners, you'll own the platform that powers sub second latency conversational video. If you're a React expert with a passion for 0→1 product builds and a drive to ship generational technology in San Francisco, this is the career defining role you've been looking for.

Founding Engineer at Getjelly

Join a profitable, fast growing startup that is digitizing the back of house for hundreds of restaurants across the UK. Backed by the early investors of Revolut, Wise, and Just Eat, this company is replacing manual spreadsheets with an AI powered operating system. As a Founding Engineer, you will have significant equity and the autonomy to ship production ready code in weekly cycles. If you want to see your work used daily by thousands of users and work directly with a founder who understands the industry from the kitchen floor up, this is your chance to build a category defining product in London.

Product / Software Engineer at Electric Twin

Most organizations make massive decisions based on gut feel. Join a London based team backed by over £10M in funding to build the software that changes that. Led by founders with deep experience at the highest levels of government data and mass testing, this startup uses AI powered synthetic audiences to simulate human responses in real time. If you are a product minded engineer who loves Python, React, and shipping features that solve complex orchestration problems without the hype, this is a rare chance to shape a platform while it's still malleable.

Founding Engineer at Cascade

Join an elite team of ex Google and Amazon leads building the AI orchestration layer for the world's most massive physical projects. Backed by a16z Speedrun, this startup is modernizing how architects and engineers win multi million dollar contracts for projects like JFK, data centers, and luxury resorts. As a Founding Engineer in NYC, you'll own the full stack, ship at lightning speed, and help define the tech culture for a platform digitizing the physical world. If you have startup scars, a trail of cool side projects, and a passion for LLMs, this is your chance to build the skyline of the future.

Senior/Staff Software Engineer at Joyous.team

Are you a Senior or Staff Engineer ready to apply your technical expertise to a mission that truly matters? This venture backed mental health startup has already transformed over 60,000 lives by combining AI powered treatment plans with innovative telehealth solutions. Working directly with the CTO in Foster City, you will architect an AI first platform, build proprietary EHR systems, and deploy LLMs to personalize patient care at scale. If you have 6 10+ years of full stack experience and want to lead the technical evolution of a life saving product while earning up to $200k, this is your chance to shape the future of mental wellness.

Forward Deployed AI Engineer at Sanctuaryhealth

Join Sanctuaryhealth.io in London as a Breaker/Builder (Forward Deployed AI Engineer) to deploy custom AI agents with healthcare organizations on site. Sanctuaryhealth.io is a profitable, high-growth healthtech startup focused on improving patient care flows. This role offers the opportunity to shape a high-agency engineering culture from the ground up while tackling real-world, client-facing.

Member of Technical Staff at Roam

Join an elite team of researchers from DeepMind and OpenAI at this San Francisco based Applied AI Lab. You’ll be building the world's most advanced 3D generation engine, enabling anyone to create studio quality multiplayer games in under two minutes. With 13M+ users already in the ecosystem and backing from T1 VCs behind ByteDance and Anduril, this founding role offers a rare chance to ship frontier diffusion and agentic models at massive scale. If you are a high velocity engineer ready to define the next generation of interactive 3D worlds, this is the most compelling sprint in AI right now.

Founding Marketer at Meshedcover

We are looking for a high agency Founding Marketer to join a London based AI insurtech that just raised £950k from top tier investors like Aviva/Founders Factory. If you're a social media savvy marketer who loves turning long form podcasts into viral content and wants to own the entire marketing engine of a high growth startup, this is your chance. You'll work directly with the COO to build a category leader, enjoying 0.5% equity and real creative freedom. We’ve already secured 40+ strategic partnerships and are ready to scale—come build the future of business insurance with us.

Forward Deployed Software Engineer at Northslope Technologies

Join an elite engineering team from Palantir, Google, and Uber at a Series A startup that has already seen 7x revenue growth. As a Forward Deployed Engineer, you will bypass traditional bureaucracy to build custom AI software and production grade applications that solve mission critical problems for Fortune 500 leaders. This is a rare opportunity to own the full lifecycle of complex technical solutions—from enterprise data integration to LLM deployment—while working directly with operators to reshape how entire industries function in the real world.

Full Stack Engineer at Godiligent

Join a high growth London fintech backed by Y Combinator that is revolutionizing Anti Money Laundering operations for global banks. As a Full Stack Engineer, you will build and scale AI agents that automate complex compliance workflows for publicly listed financial institutions across the US and Japan. This is a rare opportunity to join a post seed startup with real traction, offering significant equity and the chance to work directly with founders on the front lines of financial crime prevention. If you have 1 5 years of experience and a track record of excellence at top tier tech companies or universities, this is your chance to own a massive product surface area.

Principal Engineer at Perry

Are you ready to redefine how venture capital operates? This high velocity Legal AI startup is seeking a Principal Engineer to architect a platform that cuts legal busywork by 10x for the world's top investment funds. You'll lead the charge in orchestrating multi model LLM pipelines and building secure document processing engines that influence real deal outcomes. With 0.5 1.0% equity and a culture that prioritizes shipping over talking, this is a rare opportunity to join a well funded founding team and own core systems from day one. If you have 8+ years of full stack experience and a bias for action, help us build the category defining platform for VC legal teams.

Founder's Associate at Tryrama

Join a $3M Seed funded startup backed by Wischoff Ventures and Stage2 as they build the intelligence layer for the $500B electronics components supply chain. As Founder's Associate, you'll work 1:1 with the CEO to automate 8 hour manual workflows into 2 minute AI driven processes. This is a high leverage role in San Francisco for someone with 1 4 years of experience in consulting or ops who wants to own GTM strategy and product direction. With $120k $140k base, significant commission, and equity, you'll help scale a platform already serving brokers with $80M+ in revenue.

Are you ready to be the first hire at a high growth AI startup? We are looking for a Founding Full Stack Engineer to build a revolutionary supply chain platform from the ground up. With six figure revenue already secured and backing from top tier VCs, this is a rare opportunity to own a product end to end and shape the future of hardware development. If you thrive in high ownership, in person environments and want to ship code that impacts global users daily, this San Francisco based role is for you.

Full Stack Engineer at Loxacover

Full Stack Engineer role at Loxa in Central London. Loxa (Loxacover.com) is building an embedded insurance platform and has already completed 44+ retail integrations. As a mid-level engineer with Ruby or Python skills, you’ll have ownership and equity to shape the technical foundations and scale the product across Europe and the US.

Are you ready to build the future of human computer interaction? Join a premier Series B multimodal AI lab as a Senior Software Engineer and lead the development of real time conversational video interfaces. In this high impact role, you'll solve complex challenges in low latency communication, multiprocessing, and multilingual AI simulation. Backed by the world's top tier VCs, this team is creating AI humans that can see, hear, and empathize at scale. If you are a Python expert with a passion for cutting edge AI and high performance systems, this is your chance to ship software that defines an entirely new category of technology.

Software Engineer at Axle Energy

Join the mission driven team building the 'Stripe for energy flexibility' at a high growth London startup backed by Accel. As an early engineer, you'll have insane ownership over the API infrastructure connecting millions of EVs and home batteries to the grid. If you're a Python expert who wants to solve hard distributed systems problems while fighting climate change, this is your chance to ship code that decarbonises the global energy system. This role offers architectural authority, a dog friendly Old Street office, and a meaningful slice of equity in a company tackling one of the world's most urgent technical challenges.

Founding Full-Stack + AI Engineer at Meshedcover

Commercial insurance is one of the last massive, undisrupted markets—until now. We are seeking a Founding Full Stack + AI Engineer to join an elite team of exited founders and industry operators building the 'Revolut for commercial insurance.' This isn't a deck only startup; with 47 signed partners and production AI already slashing quote times by 85%, the system is live and scaling. You'll work directly with the CTO to architect an AI native operating system for a £15B market, building everything from multi agent orchestration to core broking engines. If you're a high agency builder ready to own a category defining product, this is your seat.

Founding CTO at Rufio

Are you a builder ready to move from Senior Engineer to Founding CTO? We are looking for an entrepreneurial leader to build the operating system for the modern pet care industry. This isn't just another consumer app; you'll be architecting a complex ecosystem that combines AI driven health insights with real world logistics and professional management tools. If you thrive in high ownership environments and want to lead a distributed team while staying hands on with the code, this is your chance to define the technical future of a multi billion dollar market from day one.

Are you a Full Stack Software Engineer eager to make a significant impact from day one? Join a fast growing voice AI startup building the next generation of intelligent products for small businesses. This is a unique opportunity to take high ownership, contribute directly to a cutting edge platform, and shape a best in class voice experience that empowers business owners.

Are you a Senior Backend Engineer eager to build foundational systems from scratch? Join a fast growing, VC backed B2B software platform that's revolutionizing how software is bought and sold. This greenfield opportunity offers the chance to design and implement the core, scalable backend infrastructure, making a significant impact on an innovative platform disrupting an entire industry.

Customer Success Manager at Plain

Are you a product driven CS leader looking to join an elite team backed by Index and Battery Ventures? We are building the support platform technical teams actually love—used by industry leaders like Cursor and Raycast. As our second Customer Success Manager, you'll be 'customer zero,' using our own speed optimized tool to manage high value accounts while directly shaping the product roadmap. If you have 2 3 years of experience at a high quality SaaS startup and want to build a CS function from the ground up in San Francisco, this $130k $160k role with meaningful equity is for you.

Full Stack Engineer at Vitruehealth

Are you ready to use computer vision and AI to help eliminate chronic pain for millions? This high growth London health tech startup, already at £1M ARR and trusted by the NHS and Bupa, is looking for a Full Stack Engineer to join their lean team of 16. You'll ship impactful features across Vue.js and .NET, working alongside clinical experts to build diagnostic tools that are proven to reduce MSK pain by 34%. If you're a driver who thrives on autonomy and wants meaningful equity in a mission driven company, this is your chance to shape the future of preventative healthcare.

Are you an Applied AI Engineer ready to redefine virtual worlds? Join an innovative startup at the cutting edge of AI powered 3D environment and game generation. You'll tackle challenges in large scale systems, multi agent orchestration, and advanced reinforcement learning, shaping how interactive experiences are created and monetized. This is a unique chance to make a significant impact on the future of gaming and simulation.

Are you a visionary designer looking to define the aesthetic of the modern travel experience? We are seeking a Founding Designer to lead UI/UX for a well funded, design forward startup in San Francisco. This is your chance to own the entire product identity, build a world class design system from scratch, and work alongside a top tier team to transform how people discover and book travel. If you excel at turning complex features into beautiful, intuitive interfaces, this foundational role offers unparalleled influence and growth potential.

Senior Back-end Engineer at Vega

Private markets are a $13 trillion industry currently running on fragmented, manual systems. This $28M Series A fintech is changing that by building AltOS—the industry standard operating system for alternative asset managers. Backed by heavyweights like Apollo Global Management and Motive Partners, they are seeking a Senior Back end Engineer to lead the design of mission critical Java 21 microservices. If you have 7+ years of experience and want to work alongside leaders from KKR, Blackstone, and Revolut to modernize global finance infrastructure, this is your chance to join a high growth London team with day one equity and significant technical ownership.

Senior Rust Engineer at Cryptio

Join the engineering team building the financial infrastructure backbone for institutional crypto. This $25M Series A startup, backed by BlueYard and Point Nine, processes over 1 billion monthly transactions for giants like Circle and Gemini. As a Senior Rust Engineer, you'll solve massive scale data reconciliation challenges using Rust and PostgreSQL, building the auditable systems that allow the world's largest enterprises to bring billions of dollars on chain. If you thrive on high performance architecture and deep technical craft, this is your chance to define a new category of institutional fintech.

Founding Engineer (Competitive + Equity) at Well funded AI platform Founding Engineer

Intermediate Software Engineer at Goodlord

Join Goodlord as an Intermediate Software Engineer (React) in London. Goodlord is a UK PropTech scale-up backed by £17M and handles over £1B in transactions. It offers genuine autonomy, a £1,000 development budget, and the chance to work with React/TypeScript in a Great Place to Work certified environment.