Founding Product Engineer (AI)

Sector: Software Engineering, AI Engineer

Reference: GG - 71

Founding Product Engineer (AI) | Early-Stage AI Start-Up | London

Founding Product Engineer required to join a well backed, early-stage AI start-up building next-generation AI products powered by LLMs, AI Agents and Agentic AI .

This is an opportunity to join a high-calibre founding team at an exciting stage, taking significant ownership over the product and technical direction. You'll work across Full-Stack Engineering and Applied AI , building intelligent products from the ground up and turning cutting-edge AI capabilities into production-ready software.

You are:

• 1–5 years of professional Software Engineering experience
• A strong Full-Stack Engineer with excellent software engineering fundamentals
• Language agnostic, comfortable picking up new technologies and working across the stack
• Hands-on experience building with LLMs, AI Agents, Agentic AI or AI-powered applications
• Experienced taking products from idea through development and into production
• Product-minded, highly autonomous and excited by the pace and ownership of an early-stage start-up

Bonus points:

• Previous early-stage start-up or founding engineering experience
• Experience building and shipping AI-native products

Why join?

• Become a Founding Product Engineer at a heavily backed AI start-up
• Build cutting-edge Agentic AI products from the ground up
• Significant ownership over product, architecture and technical direction
• Work directly with an ambitious, high-calibre founding team
• Solve challenging problems at the intersection of Software Engineering, AI and Product
• Meaningful equity and the opportunity to help shape a company from its earliest stages

If you're a strong Software Engineer who loves building products, has experience with AI Agents and LLMs , and wants the ownership and impact of a founding role, let's connect.

Founding Product Engineer (AI) | Early-Stage AI Start-Up | London