Technology

Callosum Visa Sponsorship

20 verified sponsorship roles on record · Last seen 02 Sep 2026

Sponsorship Score

100

Very High

Based on history & recency

About the Sponsorship Score: This score (0–100) reflects how actively Callosum has been sponsoring Skilled Worker visas, based on the number of verified sponsorship roles we've seen from them and how recently they posted. A higher score means stronger evidence of an active sponsor licence.

Current sponsorship roles at Callosum

Inference Engine Development - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-09-02

Chief of Staff, CTO

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Head of Physical Infrastructure

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Compliance Lead - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Research Engineer, Evals - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Security Lead - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Networking & Interconnect Systems - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Evolutionary Optimisation - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

ML Research Engineer - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

ML Research Scientist - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Chief of Staff, CTO

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Agent Runtime & Systems - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Research Engineer, Benchmarking - Member of Technical Staff

London, ENG, GB

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Head of Physical Infrastructure

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Evolutionary Optimisation - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Security Lead - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-23

Accelerator Systems Software - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-16

Platform Site Reliability Engineer - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-16

Cloud Systems & Resource Orchestration - Member of Technical Staff

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-16

Applied AI - Product Manager

London, England, UK

* we offer visa sponsorship and relocation benefits to hire the best in the world

2026-08-16

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