Nicholas Walker
Senior Software Engineer at Arm
Cambridge, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolNicholas Walker is a Senior Software Engineer based in Cambridge with six years of hands-on experience in compiler and performance-focused systems engineering. He rose through roles at Arm from part-time undergraduate to senior engineer, demonstrating rapid technical progression and ownership within a leading semiconductor software team. Nicholas contributes to high-profile open-source work on the LLVM project, improving loop vectorization and reduction handling to boost generated code performance. He holds a First Class Master's in Computer Science from the University of Warwick and combines academic rigor with practical optimization expertise. Notably, his contributions address subtle compiler correctness and build issues as well as performance gains—skills that make him effective at squeezing real-world speedups from complex toolchains.
6 years of coding experience
2 years of employment as a software developer
Master's degree, Computer Science, First Class, Master's degree, Computer Science, First Class at University of Warwick
Github Skills (9)
compiler-optimization10
arm10
vectorization10
llvm10
assemble9
assembler9
cprogramming-language9
assembly9
c-language9
Programming languages (2)
Github contributions (5)
llvm/llvm-project
Jan 2023 - Jan 2023
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Backend Developer
Backend DeveloperContributions:81 reviews, 1 commit, 46 PRs in 1 day
Contributions summary:Nicholas primarily contributed to the LLVM project by implementing and modifying code related to compiler optimization passes. Their work involved adding support for single reductions in the ComplexDeinterleavingPass and the LoopVectorizer. They also addressed build failures and improved the handling of partial reductions, demonstrating an understanding of compiler design and optimization techniques. The commits show a focus on enhancing the performance of compiled code through vectorization and reduction strategies.
compilerllvmtoolchain
NickGuy-Arm/llvm-project
Apr 2024 - Jul 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:143 pushes, 22 branches in 1 year 3 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.