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Founding Engineer (Staff Level) | Build, Shape, Own (TypeScript, JavaScript, React.js, Node.js) Salary: £100,000 to £120,000 (Equity on top) Location: London, Very Flexible Hybrid Working Early-stage product | AI video data We’re working with an early-stage, high-growth product business looking for a Founding Engineer to join at a critical point in their journey. This is a true ownership role, you’ll be the technical authority , working directly with founders to shape the product, architecture, and long-term engineering strategy, whilst being happy to be hands-on when needed. You will have the chance to build your own in-house engineering team and moving away from an outsourced engineering partner. What you’ll be doing: Acting as the technical lead across an outsourced engineering team , guiding how things should be built Getting deep into the current stack and rapidly understanding how everything works (first 3 months) Prototyping, validating ideas, and challenging technical direction where needed Defining engineering standards, architecture, and best practices Shaping the hiring roadmap and building an in-house engineering team (next 6–18 months) Driving development across new features, AI capability, and scalable data handling (incl. video) What they’re looking for: Strong Staff / Principal level engineering experience Deep expertise across but not limited too: JavaScript, React.js, Node.js, TypeScript, GraphQL, AWS, Docker, CI/CD Experience working in startup / scale-up environments Comfortable operating with ambiguity and pace Able to challenge founders, shape direction, and make pragmatic decisions Happy to be hands-on, from architecture through to prototyping Why this role: Founding-level impact; shape the product and team from the ground up Move from outsourced delivery to building an in-house engineering function Work directly with founders on product, AI, and technical strategy High autonomy, high trust, and the ability to make real decisions early This is ideal for someone who wants to step into ownership , not just another engineering role. If this sounds like you (or someone you know), drop me a message.

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