Callosum Jobs
callosum.com ↗|AI & Machine Learning|16 open roles
Callosum is a company building infrastructure for artificial intelligence and computing. It focuses on integrating heterogeneous chips and AI models, allowing hardware and intelligence to co-evolve. The company provides a software orchestration layer that works across different types of accelerators to deliver AI inference tailored to specific workloads. It is based in London.
Callosum Salary
What Callosum is hiring for
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Hired for before, nothing open right now: Finance & Legal, Operations.
Where Callosum is hiring
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Experience levels at Callosum
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Employment types at Callosum
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Hiring trends at Callosum
Open roles, day by day
How many roles were open at Callosum at the end of each day.
- 16Roles open, at the end of 13 September 2026
- 0New roles posted, 2 September 2026 to 13 September 2026
- 2Roles closed, 2 September 2026 to 13 September 2026
- −2Posted minus closed, 2 September 2026 to 13 September 2026
Opened and closed, week by week
What opened and what closed in each week, latest week first.
| Week | Opened | Closed | Opened minus closed | Open at the end |
|---|---|---|---|---|
| 7 Sep to 13 Sep | 0 | 0 | 0 | 16 |
| 1 Sep to 6 Sep (5 of 7 days recorded) | 0 | 2 | −2 | 16 |
Partial weeks state the number of days with flow records. Open at the end is the last recorded day shown.
Where the roles are moving
Changes between recorded dates, by kind of work.
| Category | Recorded dates | Open at the end | Change |
|---|---|---|---|
| Engineering | 6 Sep to 13 Sep | 12 | 0 |
| Data & AI | 6 Sep to 13 Sep | 4 | 0 |
Jobs at Callosum
Location: London, UK. Clear location filter