Hybrid Principal Full-Stack Engineer — Node/TS & AI

La Fosse is seeking a Principal Full Stack Engineer in Liverpool, with a hybrid work pattern (2 days in the office). The role focuses on rebuilding a core platform on a modern Node.js stack, driving architecture decisions, and mentoring a senior team.

You will work closely with product and leadership to shape the platform, embed AI tooling in daily workflows, and influence technical direction at scale.

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