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callosum

ashby callosum · public job-board evidence · tracked since 2026-09-23

HQ (inferred): GB (inferred) · Careers page

Company-level public facts only — no personal contact data.

All roles in explorer

Open roles

0.0%

Salary disclosure rate

n=0 stated ranges

—

Median salary (USD)

sample too small (n=0 < 5)

Countries

Hiring signal

Building the first trustworthy baseline

Hiring velocity appears after 30 days of live collection. We do not manufacture a trend from a one-day snapshot.

Open roles by job family

Median stated pay by level

stated only

Change events

2026-10-08 range withdrawn ML Research Engineer - Member of Technical Staff
2026-10-08 range withdrawn Research Engineer, Benchmarking - Member of Technical Staff
2026-10-08 range withdrawn Evolutionary Optimisation - Member of Technical Staff
2026-10-08 range withdrawn Research Engineer, Evals - Member of Technical Staff
2026-10-08 range withdrawn Networking & Interconnect Systems - Member of Technical Staff
2026-10-08 range withdrawn Agent Runtime & Systems - Member of Technical Staff
2026-10-08 range withdrawn Inference Performance & Deployment - Member of Technical Staff
2026-10-08 range withdrawn Accelerator Systems Software - Member of Technical Staff
2026-10-08 range withdrawn Inference Engine Development - Member of Technical Staff

Derived from consecutive dated observations of this board — salary revisions, retitles, closings. Timestamps are observation times, not employer statements.

Current evidence

Recent open roles

Every row links back to its public source.

Role & company	Location	Stated pay	Evidence
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