Agentic AI Systems Research Engineer

Callosum is building the infrastructure for autonomous, heterogeneous AI systems in London. The role focuses on designing and running experiments to understand why agentic AI systems fail and how to improve them at scale, across memory, task decomposition, and inter-agent coordination.

You will work with cutting-edge models and silicon, contribute to durable evaluation tools, and publish findings to advance the field. London office-based, visa sponsorship available for top talent.