Staff Software Engineer - ML Kernels & Runtime

Essential 

• →Excellent programming and scripting skills using C++ and Python 
• →Understanding of processor architectures and profiling on Linux 
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  Proven track record of technical leadership, including leading technical work, influencing engineering direction, mentoring others, and driving high-quality delivery

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  Ability to operate effectively at Staff level, balancing hands-on implementation with broader technical ownership and team impact

• →Possess excellent written and oral communication skills, good work ethics, high sense of team-work 

Desirable 

• →Strong command of algorithmic performance - vectorisation, memory hierarchy, threading, lock-free patterns 
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  Experience testing numerical/performance-sensitive code

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  Hands-on with reproducibility/determinism, tolerance design, and benchmarking

• →Hands-on with at least one BLAS/DNN stack and able to read/extend kernels 

• →Comfort with CPU micro-optimisations and numerical stability/trade-offs across FP32/FP16/BF16/FP8 

• →Experience integrating native code into PyTorch or similar (custom ops, extensions, dispatch keys) 
• →ABI/API stability and packaging on Linux system (manylinux, wheels) 

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.