Callosum

Open roles

Collected directly from the employer

Expression of Interest - Internships
London
- Onsite
- Internship
Published 4 weeks ago
Security Lead - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Research Engineer, Evals - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Agent Runtime & Systems - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
ML Research Engineer - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Evolutionary Optimisation - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Research Engineer, Benchmarking - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Networking & Interconnect Systems - Member of Technical Staff
London
- Onsite
- Full Time
Published Aug 20, 2026
Inference Performance & Deployment - Member of Technical Staff
London
- Onsite
- Full Time
Published May 20, 2026
Inference Engine Development - Member of Technical Staff
London
- Onsite
- Full Time
Published May 20, 2026
Accelerator Systems Software - Member of Technical Staff
London
- Onsite
- Full Time
Published May 20, 2026
Expression of Interest - Intelligent Systems Engineer
London
- Onsite
- Full Time
- IT, systems and support
Published Feb 25, 2026