Ash Nelson
Contract Software Engineer at Walmart Global Tech
Wisconsin, United States
Summary
🤩
Rockstar🎓
Top SchoolAsh Nelson is a contract software engineer with a decade of experience building and leading engineering teams across security and retail tech, currently contracting at Walmart Global Tech out of Wisconsin. He has progressed from hands-on development roles to management positions at Mandiant and Securonix, blending technical depth with people leadership. Ash brings low-level systems and compiler expertise to his work, evidenced by meaningful contributions to the WebAssembly Binaryen project—adding first-class Data Segment support and multi-memory optimizations that improve compilation efficiency. He is comfortable shipping production services at scale and refactoring critical code paths to be safer and more performant. Known for tackling tricky backend and tooling problems, he combines pragmatic engineering with a curiosity for compiler internals and memory model nuances.
10 years of coding experience
14 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science (Minor Chemistry), Bachelor of Science (B.S.) Computer Science (Minor Chemistry) at University of Wisconsin-La Crosse
Github Skills (11)
memory-management10
compiler10
low-level-programming10
c-language10
webassembly10
cpp10
cprogramming-language10
cplus10
data-structure9
data-structures9
emscripten8
Programming languages (6)
Github contributions (5)
WebAssembly/binaryen
May 2022 - Jan 2023
Optimizer and compiler/toolchain library for WebAssembly
Role in this project:
Back-end Developer
Back-end DeveloperContributions:249 reviews, 43 commits, 125 PRs in 7 months
Contributions summary:Ash primarily contributed to enhancing the `webassembly/binaryen` repository, a WebAssembly optimizer and toolchain library. Their work focused on adding first-class support for Data Segments within the IR, involving updates to related header files, binary formats, and various tool files. Furthermore, the user refactored and optimized code within the `MemoryPacking` pass, incorporating bounds checks and introducing multi-memory support. These changes are crucial for improving the efficiency and functionality of the WebAssembly compilation process.
compilersemscriptenc-plus-pluswebassemblytoolchain
ashleynh/beacon-site
May 2017 - Aug 2019
Contributions:36 pushes, 1 branch in 2 years 3 months
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