Summary
Sam Kellett is a seasoned software engineer with 11 years of experience building performance-critical systems and leading teams through rapid growth. He has driven core infrastructure and compiler-adjacent work at Graphcore and led principal engineering efforts at Oxford Nanopore before joining Fractile, blending deep systems, storage, and ML-compiler experience. Sam's background includes shipping high-performance storage engines and IPC frameworks at scale, contributing to Poplar graph-compiler development, and steering teams from early startup phases to hundreds of employees. Based in Bristol, he pairs hands-on coding with team leadership and a focus on measurable performance improvements, having championed per-commit benchmarking and streaming replication in past roles. Outside work he pursues a wide range of physical and creative hobbies—from rock climbing and juggling to cooking—which reflect a curious, disciplined approach to both engineering and life.
11 years of coding experience
12 years of employment as a software developer
High School Maths Further Maths Physics Computing, High School Maths Further Maths Physics Computing at Downfield Sixth Form
Bachelor's Degree Computer Science with Games Technology, Bachelor's Degree Computer Science with Games Technology at City, University of London