Brandon Wu
Senior Program Analysis Engineer at Semgrep
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolBrandon Wu is a Senior Program Analysis Engineer based in San Francisco with six years of experience building polyglot static analysis and program-analysis tooling. He drives core backend work on Semgrep—contributing bug fixes, language parsing improvements (C#, Scala, Swift), new CLI features, and richer dataflow traces for a widely used open-source security tool. A functional programming enthusiast and former CMU instructor, he has taught and led TFAs for Principles of Functional Programming, bringing pedagogy and rigor to complex language design problems. His internships at Facebook (Pyre) and IBM reflect a strong background in static analysis, type systems, and backend engineering. Brandon pairs academic depth from Carnegie Mellon with practical open-source impact, focusing on making program analysis both precise and usable. An understated strength is his ability to translate research-grade language concepts into production-ready developer tools.
6 years of coding experience
4 years of employment as a software developer
Enloe High SchoolBachelors Computer Science, Bachelors Computer Science at Carnegie Mellon University
Github Skills (15)
static-analysis10
go10
csharp9
dotnet-core9
scala9
python9
c119
swift9
c179
typescripts8
typescript8
ocaml8
typescript-types8
java7
javas7
Programming languages (16)
Github contributions (5)
semgrep/semgrep
Jul 2022 - Jan 2023
Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
Role in this project:
Backend Developer
Backend DeveloperContributions:331 reviews, 244 commits, 556 PRs in 6 months
Contributions summary:Brandon primarily contributed to the Semgrep core, focusing on bug fixes and feature enhancements. They addressed issues related to error reporting, type handling, and parsing of various languages, including C#, Scala, and Swift. Furthermore, the user implemented new features such as adding "implicit rules" keys for CLI and enhancing dataflow traces for the CLI output. These contributions likely improve the functionality and efficiency of Semgrep.
looklinterpythonr2cjavascript
brandonspark/deriving-sml
May 2022 - May 2022
Contributions:26 commits, 15 pushes, 1 branch in 11 days
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