About the job

The Senior Product Engineer role at Kernel is a senior-level tech position based in London (hybrid) where you will work closely with product and engineering teams to design, build, and ship user-facing features and scalable backend systems for an AI-powered enterprise RevOps platform used by leading companies. In this role, you will own projects end-to-end from ideation to deployment, write clean and reliable code across the stack using NodeJS, TypeScript, Postgres, NextJS, and AWS, support large-scale data operations processing billions of tokens daily, automate workflows, integrate with CRMs and third-party APIs, and contribute technical insights to product roadmaps while operating autonomously in a fast-paced early-stage startup environment. Kernel offers a competitive salary of £120K–£200K plus equity, hybrid working with at least three days in the London office, modern equipment, strong benefits, direct collaboration with founders, opportunities to work on large-scale AI and LLM-based systems, and provides UK Skilled Worker visa sponsorship and relocation support for exceptional candidates.