LLM-Guided Evolutionary Optimisation Engineer

Company: Callosum
Apply for the LLM-Guided Evolutionary Optimisation Engineer
Location: London
Job Description:

Callosum is building intelligent systems that co-evolve hardware and software to run across heterogeneous workloads and accelerators. We are crafting an LLM-guided search loop that iteratively generates, evaluates, and improves programs against verifiable objectives.

You will develop the loop as a reusable internal optimisation system and a research object, improving search, measurement, and capabilities on increasingly difficult problems, kernels, runtimes, and scheduling.

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Posted: October 22nd, 2026