Staff Software Engineer ML Kernels & Runtime

Salary Range: PLN 350000 - 474000 PLN

Subject to alignment to the responsibilitiesand duties of the role

About Graphcore

At Graphcore were building the future of AI compute.

Were 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 Summary

As aStaff SoftwareEngineeryou willbe responsible fordevelopment of new and support existing kernels for liner algebra operations on a new generation of AI hardware.

The Team

This is an exciting opportunity to join an expanding team atGraphcore. Kernel Engineering teamis responsible fordelivering high performance compute library to help customers gain the maximum performance from AI hardware.

Responsibilities and Duties

• Design 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 testsnumericsvalidation

• Profile and optimise across for next generation of AI hardware - threading cache locality memory layout and kernel launch efficiency.

• Debug issues resolve bugs andgenerally improvethe quality and functionality of the product

• Actively engage in and support Agile ways of working within the team

• Mentor colleagues within the team sharing knowledge and providing guidance where appropriate

Candidate Profile

Essential

• Excellent programming and scripting skills using C and Python

• Understanding of processor architectures and profiling on Linux

• Experience testing numerical/performance-sensitive code

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

• Possess excellent written and oral communication skillsgood workethics high sense ofteam-work

• Love to produce quality work and be a team player

Desirable

• Strong command of algorithmic performance - vectorisation memory hierarchy threading lock-free patterns

• 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 intoPyTorchor similar (custom ops extensions dispatch keys)

• ABI/API stability and packagingon Linuxsystem (manylinux wheels)

Benefits

In addition to a competitive salary Graphcore offers annual leave policy medical and dental health plans a gym card and employee pension (matched up to 4%). We review our benefits on a yearly basis to ensure we offer a valuable and rewarding benefits programme to our employees. We welcome people of different backgrounds and experiences; were committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments.