Senior AI Engineer — Greenfield LLM, Hybrid London Equity

Company: Harnham – Data & Analytics Recruitment
Apply for the Senior AI Engineer — Greenfield LLM, Hybrid London Equity
Location: London
Job Description:

Harnham is seeking a Senior AI Software Engineer in London, a hybrid role offering up to £140,000 base salary with equity. You will join as the first senior engineering hire, shaping both product and engineering culture and driving architecture for production-grade AI systems.

You will own end-to-end features, scale LLM-powered applications and set standards for testing, deployment and code quality while collaborating with leadership on roadmaps.

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Posted: October 11th, 2026