Sayhaan Siddiqui
Software Engineer at Apple
Los Angeles, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSayhaan Siddiqui is a software engineer based in Los Angeles with four years of experience building low-level tooling and production systems. He has interned at Tesla and Meta working on Autopilot and compilers, and now contributes to special projects at Apple. His open-source work on LLVM’s BOLT shows deep familiarity with compiler internals—fixing DWARF debugging issues, refactoring GDB indices, and hardening tests for binary optimization. Sayhaan blends practical systems engineering with a research-oriented attention to correctness, often surfacing edge-case fixes that improve maintainability and performance. A USC computer science graduate, he has repeatedly moved between industry internships and open-source compiler contributions, signaling both rapid learning and a focus on code quality.
4 years of coding experience
1 year of employment as a software developer
BS, Computer Science, BS, Computer Science at University of Southern CaliforniaCoral Academy of Science Las Vegas
Github Skills (8)
debugging10
debug10
c-language10
bolt10
cprogramming-language10
dwarf10
llvm10
test-automation8
Programming languages (1)
Github contributions (5)
llvm/llvm-project
May 2024 - Aug 2024
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:32 reviews, 58 PRs, 19 pushes in 2 months
Contributions summary:Sayhaan's contributions primarily revolve around enhancing the debugging and optimization capabilities of the LLVM project, specifically focusing on the BOLT (Binary Optimization and Layout Transformation) tool. Their work involves fixing issues related to DWARF debugging information, which is crucial for understanding and optimizing compiled code. The user addressed warnings related to unused variables, added features like double escape characters, and refactored the GDB index for improved maintainability and performance. The user also worked on test cases to ensure that BOLT handles complex scenarios correctly.
compilerstechnologiesclangsubmittoolchain
sayhaan/llvm-project
May 2024 - Aug 2024
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:199 pushes, 34 branches in 2 months
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