Senior ML Research Engineer — Agentic Systems & AI Infra

Company: Callosum
Apply for the Senior ML Research Engineer — Agentic Systems & AI Infra
Location: London
Job Description:

Callosum, in London, seeks researchers to design experiments that diagnose why agentic AI systems fail and to turn insights into interventions. You will work on memory management, agent steering, and continual learning, building durable analysis tools used across the company.

The role offers hands-on work with multi-agent systems, strong emphasis on experimental discipline, and opportunities to publish results both internally and publicly. This is a London-based, on-site role.

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Posted: October 21st, 2026