Callosum
The Intelligent Systems Company. Co-evolving chips & intelligence.
Research Services·0 Followers
Overview
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Website
https://www.callosum.com/Industry
Research Services
Company size
29 employees
Headquarters
London
Founded
2025
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Funding Rounds (1)
$100.0M • Seed
Announced on 8/20/2026
Open Positions(20)
ML Research Engineer - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
55%
FAIR MATCH
Seed
Top investors
Fast apply
Compliance Lead - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
Security Lead - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
6+ years exp
25+ applicants
54%
FAIR MATCH
Seed
Top investors
Fast apply
57%
FAIR MATCH
Seed
Top investors
Fast apply
Head of Physical Infrastructure
3 days ago
Seed
London
Onsite
full-time
Leadership
8+ years exp
25+ applicants
53%
FAIR MATCH
Seed
Top investors
Fast apply
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
55%
FAIR MATCH
Seed
Top investors
Fast apply
Evolutionary Optimisation - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
ML Research Scientist - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
57%
FAIR MATCH
Seed
Top investors
Fast apply
Research Engineer, Evals - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
55%
FAIR MATCH
Seed
Top investors
Fast apply
Agent Runtime & Systems - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
54%
FAIR MATCH
Seed
Top investors
Fast apply
Site Reliability - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
56%
FAIR MATCH
Seed
Top investors
Fast apply
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
54%
FAIR MATCH
Seed
Top investors
Fast apply
Systems Tooling - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
54%
FAIR MATCH
Seed
Top investors
Fast apply
Accelerator Systems Software - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
Inference Engine Development - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
Applied AI - Member of Technical Staff
3 days ago
Seed
London
Onsite
full-time
Senior Level
GBP101K/yr - GBP192K/yr
6+ years exp
25+ applicants
52%
FAIR MATCH
Seed
Top investors
Fast apply
Expression of Interest - Intelligent Systems Engineer
3 days ago
Seed
London
Onsite
full-time
Mid Level
3+ years exp
25+ applicants
56%
FAIR MATCH
Seed
Top investors
Fast apply
Company Updates
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