Lead Platform Engineer

Lead Platform Engineer

London (Hybrid) | Full-time, Permanent | Up to £160K + equity

We're a fast-growing AI company in London looking for a Lead Platform Engineer to work under our Head of Engineering and own the build across our stack, a great engineer first, the person who builds the hardest things and sets the technical bar.

You'll be number two to the Head of Engineering, and about 80% hands-on backend. This is a player-coach role, not an engineering manager one. You lead through technical credibility, set the standards, and own delivery without stepping away from code. You'll also help manage remote engineers in India working UK hours.

Agentic AI is core to how we operate: our engineers work alongside Claude Code and AI agents every day, and the product itself runs on agentic pipelines. You need to be native to Claude Code and agentic engineering, not an occasional user of AI coding assistants, and ahead of the curve here, raising the standard for how we build with AI.

What you'll do

• Architect, design, and build scalable backend systems and APIs end to end
• Design microservice and event-driven architectures for real-time operational workflows
• Lead a small team, drive delivery, review work, own what ships
• Set the standard for agentic AI development, from Claude Code workflows to team-wide patterns
• Shape technical str...