Usman Nadeem
Senior Compiler Toolchain Software Engineer at Qualcomm Innovation Center, Inc.
San Diego, California, United States
Summary
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Rockstar🎓
Top SchoolUsman Nadeem is a Senior Compiler Toolchain Software Engineer with 11 years of experience, specializing in ARM/AArch64 backend work on LLVM at Qualcomm Innovation Center. He focuses on performance analysis and optimizations—especially loop vectorization for NEON/SVE/SME—and implements compiler support for new hardware features, recently targeting AI inference optimization on ARM CPUs. An active upstream contributor to the widely used llvm-project, his work includes refining latency models, instruction selection, and select instruction unfolding to improve code generation quality. With an MS in Computer Science from Virginia Tech and a background in symbolic execution research and teaching, he blends strong academic foundations with practical, production-grade compiler development. Colleagues rely on him for deep microarchitectural insight that bridges hardware-aware compiler decisions and continuous-integration delivery.
11 years of coding experience
2 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Lahore University of Management SciencesMaster of Science - MS Computer Science, Master of Science - MS Computer Science at Virginia TechHigh School, High School at SICAS
English, Urdu
Github Skills (9)
compiler-optimization10
code-generation10
assembly10
assemble10
assembler10
llvm10
test-automation9
cprogramming-language9
c-language9
Programming languages (4)
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:28 reviews, 2 commits, 33 PRs in 10 days
Contributions summary:Usman primarily contributed to the LLVM project by modifying code related to the AArch64 architecture. The contributions focused on updating latency models, which likely improves the performance of the code generation process. The changes included adjustments to instruction selection and code generation, demonstrated through modifications in test files and core compiler components. Several commits involved rewriting path enumeration and select instruction unfolding.
compilerstechnologiesclangsubmittoolchain
UsmanNadeem/llvm-project
Jan 2024 - Dec 2024
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:67 pushes, 28 branches, 1 comment in 11 months
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