Role Description 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. Qualifications - 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. Benefits - 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) Company Description 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.