Christopher Blappert
Software Engineer at Meta
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolChristopher Blappert is a software engineer with 10 years' experience building language-aware tooling and platform infrastructure, currently focused on privacy product infrastructure at Meta to enforce data purpose limitations in reliable, auditable ways. He specializes in programming languages and static analysis for JavaScript and HackLang, with a history of contributing to high-profile open-source projects like React Native and Facebook's Redex and Prepack optimizers. Christopher blends back-end systems work, build tooling and mobile integrations—adding features such as bundle sourcemap processing and obfuscation-aware renaming—while maintaining attention to code quality and long-term maintainability. A University of Washington CS graduate with a top GPA, he also has a track record of delivering production services at scale (including monitoring systems deployed across thousands of servers during internships), reflecting a practical focus on observability and operational robustness.
11 years of coding experience
6 years of employment as a software developer
Computer Science, 3.92 (3.95 CS GPA), Computer Science, 3.92 (3.95 CS GPA) at University of WashingtonTransition School
Korean, Japanese
Github Skills (24)
code-optimization10
javascript10
ios10
c-language10
mobile-development10
testing10
java10
javas10
obfuscation10
bytecode10
android10
redex10
cprogramming-language10
react10
optimization10
Programming languages (5)
Github contributions (5)
facebookarchive/prepack
Mar 2017 - Nov 2018
A JavaScript bundle optimizer.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 releases, 198 commits, 108 PRs in 1 year 7 months
Contributions summary:Christopher primarily contributed to optimizing the JavaScript bundle optimizer, "Prepack". Their commits focused on removing debugging logs, restructuring the code to enable module inclusion, and improving the string for the "invariant" function. Further enhancements included adding support for `__abstract('function')`, implementing stricter invariant checks, and incorporating features for single-pass and debug names. The user also worked on fixing bugs related to the JSC compatibility option.
javascriptoptimization
facebook/redex
Oct 2016 - Dec 2016
A bytecode optimizer for Android apps
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 commits in 2 months
Contributions summary:Christopher focused on enhancing the Redex bytecode optimizer for Android apps. Their primary contributions involved implementing and refactoring obfuscation tests, specifically for field and method renaming. The user also added the functionality for field renaming in Redex and fixed bugs that arose from the renaming process. They also implemented a more complete class hierarchy for testing obfuscation.
android-appandroid-appsbytecode
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