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Staff Software Engineer - AI Compute Libraries & Performance

Graphcore - Gdańsk, Pomeranian, Poland - In-office - posted 2026-05-15

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Salary: PLN 350,700 - 474,400 / annual

Graphcore is building the future of AI compute as part of the SoftBank Group. The company develops the complete AI compute stack—from silicon and software to datacenter-scale infrastructure—and is expanding teams globally to meet growing AI demand. As a Staff Software Engineer on the ML Kernels & Runtime team, you will design and implement high-performance compute libraries for next-generation AI hardware. Your work will focus on linear algebra and tensor operations (GEMM, batched GEMM, convolutions, reductions, elementwise and fused operations), implemented in C++. You'll own both performance and correctness, adding microbenchmarks, regression tests, and numerics validation to ensure reliability. Key responsibilities include: - Design and implement kernels for linear algebra and tensor operations in C++ - Provide technical leadership within the team, helping define approaches, review designs, and guide complex engineering decisions - Own performance and correctness through comprehensive testing and validation - Profile and optimize across next-generation AI hardware, focusing on threading, cache locality, memory layout, and kernel launch efficiency This role is ideal for a senior engineer with deep expertise in low-level performance optimization, numerical computing, and systems programming. You'll work alongside semiconductor, software, and AI experts to solve some of the toughest problems in AI infrastructure.

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