Senior 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 validate complex Linux kernel drivers and device drivers, develop and execute tests across kernel drivers, user-space libraries and platform tools, report test results, strengthen test infrastructure and CI/CD pipelines, create integration and acceptance test plans, debug issues across software and hardware layers, document decisions, and mentor engineers.
Requirements
- Experience validating Linux kernel or device drivers
- C++ and Python test development
- Experience with CI/CD
- Experience with build tools
- Modern testing practices
- Strong debugging skills across software and hardware layers
- Ability to develop integration and acceptance test plans
- Clear communication skills
- Documentation skills
- Mentoring ability
- Legal right to work in the UK
Responsibilities
- Validate Linux kernel and device drivers
- Develop tests using C++ and Python
- Design and execute tests across kernel drivers, user-space libraries and platform tools
- Report test results
- Strengthen test infrastructure
- Improve CI/CD pipelines
- Debug software and hardware issues
- Develop integration and acceptance test plans
- Document decisions
- Mentor engineers
Benefits
- Flexible working
- Generous leave
- Retirement planning support with up to 5% matched pension
- 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