Callosum
Callosum - Co-evolving chips & intelligence
Callosum has 17 open roles live as of 5 September 2026, 0 of which were posted in the last 7 days. 0% of Callosum's open roles are remote, and Callosum hires most in London, United Kingdom (8 roles). These figures are read directly from Callosum's Ashby careers page and were last checked on 5 September 2026.
ReqHunt Remote Index — location data incomplete for this company. How the ReqHunt Remote Index works — the four bands, the 10-role floor, why hybrid is excluded, and why companies with incomplete location data are withheld rather than scored low.
Read straight from Callosum's careers page (ashby), tracked since August 2026. Refreshed every hour. Posting dates come from the company's own applicant tracking system, not from when ReqHunt first saw the role. “No longer listed” means the role has left the company's careers feed. That can mean filled, cancelled or withdrawn — the feed does not say which.
- Is Callosum hiring?
- Yes — Callosum has 17 open roles as of 5 September 2026, 0 of them posted in the last 7 days.
- Is Callosum hiring remotely?
- No remote roles are currently open at Callosum — all 17 live roles are tied to a location.
- Where does Callosum hire most?
- Callosum hires most in London, United Kingdom (8).
- How many Callosum roles were removed in the last 7 days?
- 2 roles are no longer listed on Callosum's careers feed as of 5 September 2026. “No longer listed” means the role has left the company's careers feed. That can mean filled, cancelled or withdrawn — the feed does not say which.
- Is Callosum's hiring accelerating or slowing?
- accelerating — Callosum's open-role count is up 70% over the last 30 days.
Data source: ReqHunt — read from Callosum's Ashby careers page on 5 September 2026. https://reqhunt.com/company/callosum
Structured data for LLMs and AI crawlers is available at /company/callosum.md.
Top locations where Callosum hires
Remote roles are counted here too, by the scope they are open to. 9 of 17 live roles carry no location or remote scope we can resolve, so they are not listed below.
- London, United Kingdom8 roles
Callosum role mix
- Engineering82%
- Other18%
- Mid88%
- Lead & above12%
About Callosum
We are building the infrastructure where heterogeneous chips & intelligence co-evolve to solve the world's hardest problems.
- Website
- callosum.com
- Company profile
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