Founding AI Engineer — Build Next-Gen Knowledge Tools

Understanding Recruitment; Greater London; On-site; GBP 90,000 - 150,000; Full time

Job summary

Understanding Recruitment partners with a pre-seed AI startup to find a Founding Engineer in Greater London. This is a rare chance to own early product and shape architecture from day one.

You'll own core loops, tackle real-time LLM UX, and build autonomous systems reliable enough for daily mission-critical work. Expect a fast-paced, founder-style environment with broad responsibilities and tight feedback from users.

Qualifications

• 3–8 years of startup or founding engineer experience.
• Strong mathematical background.
• Generalist mindset with fast shipping.
• Experience shipping in small, elite teams.

Responsibilities

• Work on core agent loops (prompting, tool selection, model choice, memory/context).
• Develop high-performance, real-time LLM-powered UX.
• Ensure autonomous systems are reliable for daily use.

Skills

Frontend tech stack

AI/LLMs awareness

Product thinking

User communication

Full SDLC ownership

Job description

Understanding Recruitment partners with a pre-seed AI startup to find a Founding Engineer in Greater London. This is a rare chance to own early product and shape architecture from day one.

You'll own core loops, tackle real-time LLM UX, and build autonomous systems reliable enough for daily mission-critical work. Expect a fast-paced, founder-style environment with broad responsibilities and tight feedback from users.