Senior AI Software Engineer – First IC, Greenfield LLM

Harnham in London is seeking a senior individual contributor to lead the engineering of a greenfield AI platform for financial services. You will own full-stack development, guide architecture, and shape engineering culture from the ground up.

You’ll work across TypeScript, React, Node.js, PostgreSQL and AWS to ship customer-facing features, scale production LLM applications, and define guardrails, deployment, and model routing strategies in a fast-growing environment.

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