Staff Software Engineer
Graphcore is a Bristol-based AI chipmaker (IPU accelerators), a SoftBank subsidiary and a Molten Ventures portfolio company.
Maintainer signals as of 8/14/2026
About Graphcore
Graphcore (graphcore.ai) is a British semiconductor company building Intelligence Processing Units (IPUs) for AI workloads. Founded in Bristol in 2016, it was acquired by SoftBank in 2024. It is a portfolio company of Molten Ventures.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own the test strategy for next-generation device drivers and platform tools. You will design, build, execute and report component, system and acceptance tests; debug issues across hardware and software layers; guide test infrastructure; validate Linux kernels, drivers and libraries; mentor engineers; document complex concepts; and drive reliability and production quality.
Requirements
- Deep experience validating Linux kernels, device drivers, or similar systems software
- Strong C++ and Python test development skills
- Experience with CI/CD, build tools, and automated testing practices
- Ability to debug issues across hardware, firmware, drivers, and upper software layers
- Ownership of technical work, priorities, and delivery in an agile engineering setting
- Communication skills, including documenting and explaining complex technical concepts
- Legal right to work in the UK
Responsibilities
- Own the test strategy for next-generation drivers
- Design, build, execute, and report component, system, and acceptance tests
- Debug issues using hardware and software tools, simulators, and emulators
- Guide test infrastructure and drive reliability across the stack
- Validate kernel drivers, user-space libraries, and platform tools
- Mentor engineers and raise engineering standards
- Document and explain complex technical concepts
Benefits
- Flexible working
- Generous leave
- Matched pension contributions up to 5%
- Phantom equity
- Free food
- On-site barista
- Income protection
- Life assurance
- Private medical insurance
- Dental cover
- Health cash plan
- Cycle to work scheme
- Give as you earn
