Jobs

Callosum is seeking an Evolutionary Optimisation - Member of Technical Staff to own and develop their LLM-guided program evolution and optimisation loop. This role involves designing search strategies, building continuous benchmarks, and transforming experimental systems into reliable internal infrastructure. The ideal candidate will have strong foundations in optimisation and search methods, excellent engineering instincts, and a pragmatic approach to problem-solving beyond just LLMs. Join Callosum to build the infrastructure for the next era of intelligence by co-optimizing models, software, and hardware.