Jack helps you find life-changing roles at breakout companies.

Founding Designer / Design Engineer role at a well-funded AI startup in London. The company is building the collaboration layer for the agentic era, offering the chance to own the entire user surface of a product that automates coordination for knowledge workers. This is an opportunity to shape the interface of the future by delivering a seamless front-end experience that bridges AI agents and.

Product Designer at Mayday

Product Designer at Mayday in Central London. Mayday is an award-winning accounting-tech startup backed by 8VC and Mark Cuban, focused on transforming month-end for finance teams. You’ll own the design system and help scale high-fidelity UI as the team grows.

As a Senior Biostatistician, you will join a London-based healthtech startup to deploy a real-time clinical trial prediction platform. Work with a high-caliber team led by industry experts and apply R and Bayesian statistics to inform trial design and analysis. This role offers the chance to move beyond traditional CRO timelines and help bring important medicines to patients faster.

Lead Product Designer at Faculty

Lead Product Designer at Faculty, a pioneering AI consulting firm being acquired by Accenture in London. You will define the vision for Decision Intelligence tools that support drug research for major pharma clients. The role offers the chance to lead AI design strategy with a £110k salary and a culture of intellectual curiosity.

Agentic Product Designer at Objection

Objection is hiring an Agentic Product Designer in the UK. You will design the truth infrastructure for a high-stakes adversarial adjudication platform, translating complex legal frameworks into AI-native workflows. The role offers a three-week remote, one-week in-person cadence with monthly global summits to shape the interface of global dispute resolution.

Founding Designer at Mozart AI

Founding Designer at Mozart AI in London, UK, owning the platform identity and frontend work. Join a Balderton-backed, 10-person team building a brand for studio-quality music creation. Equity up to 0.8% and a chance to lead design early in a fast-moving startup.

Product Lead - Conversion at Ffern

As Product Lead for Conversion, you will own the primary acquisition funnel at Ffern.co in London. Ffern.co is a bootstrapped, profitable luxury fragrance brand with 300% growth in two years and a 500k+ waitlist. You will lead a pod of engineers and designers to deliver a high-emotion, editorial-style checkout experience and fuse rigorous growth experimentation with strong brand storytelling.

Senior Product Designer at Humaans

Senior Product Designer at Humaans in London, UK. Join a $20M Series A HR tech startup backed by the founders of Slack, Figma, and Shopify, building an agentic AI layer for global workforce management. Lead a product area from conception to launch and define the platform’s visual and interaction language.

Senior Product Designer at Deducta

Senior Product Designer at Deducta in London, UK. Deducta is a London-based innovator applying Michelin-star hospitality principles to product design. You will lead human-centric interfaces and help build a product whose emotional connection is its core differentiator.

Product Designer at Model ML

As Product Designer, you will own the end-to-end UX for Model ML in London, crafting data-rich interfaces used by PE firms and investment banks. Join Model ML as their second designer at a $75M Series A YC-backed AI startup and build design systems from scratch. You will work directly with the founding team to shape the future of agentic AI in finance and ship high-ownership work in a fast-paced.

Senior Product Designer at Nourish Care Systems Limited

You will work as a Senior Product Designer at Nourish Care Systems Limited, based in the UK. You will lead the development of a brand-new design system and drive user-centered innovation across a mission-driven B2B SaaS platform. The role is remote-first with compensation not disclosed and provides an opportunity to contribute to a platform used by carers.

Legal Operations Specialist at Valon Technologies, Inc.

The Legal Operations Specialist role at Valon Technologies, Inc. in New York will architect the AI-native operating layer for regulated finance. You’ll build Claude-powered workflows, automated CLM systems, and scalable compliance infrastructure from the ground up. This is an opportunity to shape how a lean, senior legal team scales alongside an enterprise-grade platform, for candidates with 4-7.

Product Designer, Funds at AngelList

Product Designer on the Funds team at AngelList in San Francisco. AngelList powers 57% of top-tier U.S. VC deals and supports $171B+ in assets by rearchitecting the financial infrastructure with AI to streamline back-office workflows. The role includes a $240k+ base salary and significant equity, offering an opportunity to influence how the next generation of unicorns gets funded.

Deployment Strategist at Valon Technologies, Inc.

As a Deployment Strategist at Valon Technologies, Inc. in San Francisco, you will embed with major financial institutions to modernize legacy systems with AI. Valon is an a16z-backed Series C company with an AI-native mortgage servicing OS, managing $140B+ in loans and achieving 60%+ margins. The role offers high ownership and equity and lets you act as a COO on the ground, bridging product.

Learning Systems Lead at Valon Technologies, Inc.

The Learning Systems Lead role at Valon Technologies, Inc., a16z-backed fintech unicorn. You will architect the learning infrastructure and build an AI-native 'eternal coach' to cut time-to-mastery from six months to three. Based in the United States, the position offers a chance to scale expert knowledge across the organization through automated systems at a fast-growing fintech.

Product Manager at AngelList

As a Product Manager at AngelList, you will lead the 0→1 development of Meridian and own the investor experience from onboarding to portfolio management. You will join an infrastructure leader valued at $4.1B that powers 57% of top-tier VC deals and is building a dedicated wealth platform. With 5+ years in fintech product management, you will help democratize venture capital and shape a.

Senior Product Designer at Parafin

Senior Product Designer at Parafin in San Francisco, CA, joining a fast-growing fintech company. Collaborate with a world-class team from Stripe and Plaid to build financial infrastructure used by hundreds of thousands of small businesses. Own end-to-end user journeys and contribute to scale within Parafin’s Series C fintech, backed by Thrive Capital and Ribbit Capital.

Lead the automation of SOX compliance as the founding Internal Auditor, overseeing AI-driven testing quality. This confidential, well-funded AI governance startup in San Francisco provides an opportunity to shape product direction and build executive relationships. With 4-6 years of experience and a passion for technology, you can join an early-stage team offering meaningful equity and influence.

Data Scientist at Harmonic Security Inc.

Data Scientist at Harmonic Security Inc in the UK. Join an AI-first cybersecurity startup backed by Ten Eleven Ventures and In-Q-Tel to build production-grade NLP models that protect sensitive data in real time. Apply your Python and classification expertise to help shape a security product used by enterprises.

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.

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.

Freelance Graphic Designer at Collider Brew Co

Freelance Graphic Designer at Collider Brew Co Ltd in London, working on the mood-boosting non-alcoholic beer brand. Collider Brew Co has a £735k pre-seed round and a retro-futuristic visual identity guiding its brand work. The role offers the opportunity to collaborate directly with the founder on paid social creative and retail packaging to help scale the brand.

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.

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.

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.

Design and Content Lead at Rivan Industries

Design and Content Lead at Rivan Industries in London, UK, leads visual storytelling for a high-growth energy startup. As the first dedicated creative hire, you'll shape content and messaging as a designer and filmmaker with 1-2 years of experience. This role offers the opportunity to help end global fossil fuel drilling through world-class content.

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.

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.

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.

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.

Product Designer (Staff / Principal Level) at Anima

Join Anima, a YC backed startup on a mission to deliver precision medicine to anyone in under 24 hours. As a Staff or Principal Product Designer, you'll skip the PM layer and take full ownership of product lines that 10x doctor capacity and save lives. We are looking for an obsessive craftsperson who isn't afraid to ship frontend code and wants to build the 'Linear of Healthcare.' With £14.6M ARR and a team of former founders, this is a rare chance to apply elite design standards to the highest possible stakes in London.

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.

UX Designer at HOAi

Are you ready to be the founding designer for a hyper growth AI platform? This YC backed startup, recently acquired by a $1.25B unicorn, is seeking a UX Designer to own the design function from the ground up. You will define how millions of users interact with AI agents in a legacy industry ripe for innovation. With $190k $225k base pay, equity, and the chance to build a design system for a product growing 100% YoY, this is a rare opportunity to lead AI driven transformation in a high impact, high reward environment. Join an empowered team in Redwood City and shape the future of agentic UX.

Motion Designer at Solveintelligence

Solve Intelligence is looking for their first Motion Designer to lead creative direction for a platform that is already hitting 8 figures of ARR. Backed by $55M from Y Combinator, Microsoft, and the founders of Stripe, this is your chance to create cinematic, ElevenLabs style motion graphics that define the visual language of AI driven intellectual property. If you have 3+ years of experience and a world class portfolio in After Effects and Figma, you can join this high growth rocket ship in London or New York with full visa sponsorship and meaningful equity.

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.

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.

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.