AI Benchmarking Engineer for Cross-Stack Evaluation

Company: Callosum Technologies Ltd.
Apply for the AI Benchmarking Engineer for Cross-Stack Evaluation
Location: Whitehall
Job Description:

Callosum Technologies Ltd. is hiring for a research-driven role in London to build and run a unified benchmarking system for evaluating agentic and algorithmic LLM workflows.

You will design tasks, collect real commits/traces, and ensure robust, contamination-free evaluation with reproducible results. The role requires a PhD or equivalent track record, strong Python, and experience with sandboxed/distributed execution.

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Posted: September 22nd, 2026