CareerPlan

Product Engineer

LondonFull-time£80k–£120k2026-11-10
On-site · United KingdomVisa sponsorship offered

Core

Building a new class of products to supercharge an AI-native certification process, focusing on trust, security, and reliability for autonomous AI systems.

Role type

Senior full-stack product engineer (AI agents & infrastructure)

Builds

AI-native certification platform products, agent harnesses, evals, and safeguards

Domain

AI safety, cybersecurity, and AI-native certification

Deliverable

production ML models

Required skills

AI engineering, agent harness design, evaluation frameworks, hallucination containment, agent sandboxing, MCP/tool design, full-stack development, system design, first-principles reasoning

Preferred skills

Open-source contributions, personal products, research, hackathon results

Technologies

LLMs, AI-agent infrastructure, full-stack frameworks

Responsibilities

Own products across the whole stack, build and ship high-quality code across front-end, back-end, and AI-agent infrastructure, design systems from discovery through to production, engineer reliable agent systems with quality safeguards