Company jobs

Jobs at Callosum

Callosum is an AI infrastructure company building systems where heterogeneous chips and diverse intelligence models co-evolve to solve complex problems. Founded in 2026, the London-based firm develops production-grade platforms for agentic…

11 live roles51-200 employeesVerified 22h ago

Open now

Current roles

Company website

Product Manager - Applied AI

Senior

United Kingdom · On-site · £101k–£192k

Inference System & Performance Engineer - Member of Technical Staff

Mid-level

London · On-site · £101k–£192k

Platform Site Reliability Engineer - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

API Platform Architect - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

Applied AI - Member of Technical Staff

Staff+

United Kingdom · On-site · £101k–£192k

Inference Performance & Deployment - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

Inference Engine Development - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

Cloud Systems & Resource Orchestration - Member of Technical Staff

Staff+

United Kingdom · On-site · £101k–£192k

Accelerator Systems Software - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

Systems Tooling - Member of Technical Staff

Staff+

London · On-site · £101k–£192k

Expression of Interest - Member of Technical Staff

unspecified

United Kingdom · On-site