Work at Callosum.

Callosum is a London-based AI infrastructure startup building software that routes AI workloads across heterogeneous chips and models to improve performance and reduce cost. The company focuses on systems-level orchestration for inference and other...

Technology Artificial Intelligence (AI) Hardware Software

Open roles 7

Founded 2024

Type Private

Team size 11–50

Headquarters London

Website callosum.com

Legal name Callosum Technologies Ltd.

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Open roles at Callosum

7 open roles

Research Engineer, Evals - Member of Technical Staff London · London £101,000–£192,000 84 days ago

Research Engineer, Benchmarking - Member of Technical Staff London · London £101,000–£192,000 84 days ago

Security Lead - Member of Technical Staff London · London Salary TBC 84 days ago

Networking & Interconnect Systems - Member of Technical Staff London · London £101,000–£192,000 84 days ago

Evolutionary Optimisation - Member of Technical Staff London · London £101,000–£192,000 84 days ago

ML Research Engineer - Member of Technical Staff London · London £101,000–£192,000 84 days ago

Agent Runtime & Systems - Member of Technical Staff London · London £101,000–£192,000 84 days ago

About Callosum

Products & services

Heterogeneous AI Infrastructure Infrastructure for running AI systems across diverse models, accelerator types, and compute substrates, enabling workload-specific combinations of hardware and intelligence.
Cloud-Agnostic Compute Orchestration A cloud-agnostic orchestration layer that selects and coordinates compute instances across major cloud providers, accelerator vendors, and hardware generations.
Multi-Agent Inference Infrastructure Inference infrastructure for multi-agent AI systems, coordinating different models and compute resources for tasks including reasoning, retrieval, tool use, and adaptation.
Compute and Silicon Integration Services Integration and co-design support for incorporating new accelerator architectures and compute technologies into heterogeneous AI systems and production infrastructure.

Leadership

Jascha Achterberg Co-Founder
Danyal Akarca Co-Founder

Seniority mix

Entry & junior 0 roles
Mid-level 0 roles
Senior 1 role
Lead & principal 5 roles
Manager & above 1 role

Based on 7 open roles

Where they hire

London, United Kingdom 7 roles

Based on 7 roles with a listed city

Work at Callosum.

Open roles at Callosum

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