AI Harness Engineer: LLM Judge & Benchmarking

Valarian Technologies Limited is seeking an experienced AI Harness Engineer to own the experimental design, evaluation methodologies, and benchmark infrastructure for AI models and autonomous workloads. You will bridge data science, statistical validation, and production agent scaffolding, collaborating across teams in a hybrid London-based setup.

The role emphasizes rigorous hypothesis testing, robust metric design, and hands-on Python tooling to advance evaluation pipelines and guardrails for

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