About GraphcoreAt 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.Job SummaryAs a Senior Software Engineer, you’ll build high-performance AI compute libraries for next-generation AI hardware, working on linear algebra, tensor operations, numerical correctness, and low-level performance optimisation.Our ML Kernels & Runtime team are responsible for delivering high performance compute library to help customers gain the maximum performance from AI hardware.Responsibilities And DutiesDesign and implement kernels for linear algebra and tensor ops (GEMM, batched GEMM, convolutions, reductions, elementwise and fused operations) in C++Own performance and correctness - add microbenchmarks, regression tests, numerics validationProfile and optimise across for next generation of AI hardware - threading, cache locality, memory layout, and kernel launch efficiency.Debug issues, resolve bugs and generally improve the quality and functionality of the productActively engage in and support Agile ways of working within the teamMentor colleagues within the team, sharing knowledge and providing guidance where appropriateCandidate ProfileEssentialExcellent programming and scripting skills using C++ and PythonUnderstanding of processor architectures and profiling on LinuxPossess excellent written and oral communication skills, good work ethics, high sense of team-workLove to produce quality work and be a team playerDesirableStrong command of algorithmic performance - vectorisation, memory hierarchy, threading, lock-free patternsHands‑on with at least one BLAS/DNN stack and able to read/extend kernelsComfort with CPU micro‑optimisations and numerical stability/trade‑offs across FP32/FP16/BF16/FP8Experience integrating native code into PyTorch or similar (custom ops, extensions, dispatch keys)ABI/API stability and packaging for Linux system (manylinux, wheels)BenefitsIn addition to a competitive salary, Graphcore offers flexible working, a generous annual leave policy, private medical insurance and health cash plan, a dental plan, pension (matched up to 5%), life assurance and income protection. We have a generous parental leave policy and an employee assistance programme (which includes health, mental wellbeing, and bereavement support). We offer a range of healthy food and snacks at our central Bristol office and have our own barista bar!we’re committed to building an inclusive work environment that makes Graphcore a great home for everyone. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments.Unfortunately at this time, we are unable to provide visa sponsorship or support for visa applications #
Senior Software Engineer - AI Compute Libraries & Performance • West of England, England, GB
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