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Build and maintain test infrastructure, automation, and tooling to validate a complex machine learning software stack. Shape test architecture across large codebases and CI pipelines to improve reliability and performance of AI compute systems.
Requires strong software design skills with production Python experience and familiarity with C/C++ for low-level debugging. Candidates should have a deep understanding of ML frameworks and experience with Linux-based CI/CD workflows.
Help prove the ML software stack that future AI systems will depend on. Graphcore is expanding the software systems behind AI compute at datacenter scale. This role focuses on validating a complex machine learning stack before it reaches customers and hardware.You will build the test infrastructure, automation and tooling that engineers trust every day. Your work will help raise reliability, performance and maintainability across frameworks, simulators, emulators and future hardware. You will shape test architecture across large codebases, CI pipelines and representative ML workloads. You will use strong software engineering judgement to turn complex technical goals into scalable validation systems.
This is a role for someone who enjoys depth, ownership and useful engineering. You will make quality easier, faster and more visible for teams building at the edge of AI compute.
The ML QA team sits where Graphcore’s software components come together. Engineers work across unit tests, integration tests, full model runs, subgraph validation and benchmarking.
Work is organised through focused squads with clear ownership. People are expected to step up, speak openly and improve how the team builds, tests and learns.
Decisions are grounded in evidence from code, data and system behaviour. The team works closely with software teams to identify gaps, improve tooling and move priorities forward quickly.
· Strong software design skills, with experience building maintainable systems across large codebases.
· Production Python experience, including testable, reliable code used by other engineers.
· Experience with CI/CD, automated testing and Linux based development workflows.
· Familiarity with C or C++, with confidence reading and debugging low level code.
· Understanding of ML frameworks, workloads or model execution beyond simple API usage.
· Ability to mentor engineers, improve practices and take ownership of complex technical problems.
· Unlimited annual leave
· Up to 5% matched pension
· Phantom equity – share in Graphcore’s success
· True flexibility in how and where you work
· Office spaces designed for collaboration
· Free food and an on-site barista
· Health cash plan
· Income protection
· Life assurance
· Along with other benefits you can choose from (private medical insurance, dental plan etc)
We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work.
We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you.
Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry.
As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone.
Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute.
If you want to shape how complex ML software is tested, trusted and improved, we’d love to hear from you. Apply now to be part of the journey.
At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by significant long-term investment, we are delivering key technology into the fast-growing SoftBank AI ecosystem. To meet the vast and exciting AI opportunity, Graphcore is expanding its teams around the world. We are bringing together the brightest minds to solve the toughest problems, in a place where everyone has the opportunity to make an impact on the company, our products and the future of artificial intelligence.
Offices: 11-19 Wine Street, Bristol, Bristol BS1 2PH, GB · Lynton House, 7-12 Tavistock Square, London, WC1H 9LT, GB · Kett House, Station Rd, Cambridge, CB1 2JX, GB · 12f b, No. 118, Ciyun Rd, East District, Hsinchu City, 300, TW · Olivia Star 30th Floor Olivia Business Centre Al. Grunwaldzka 472 | 80-309, Gdansk, PL
