Yilun Chong
Senior Software Engineer at Google
Sunnyvale, California, United States
Summary
🤩
Rockstar🎓
Top SchoolYilun Chong is a Staff Software Engineer based in Sunnyvale with a decade of experience building large-scale systems at Google, where he progressed from protocol buffers work to leading search and video ranking efforts. He has deep backend expertise—evidenced by substantive contributions to the high-profile protocolbuffers/protobuf project that expanded proto2 support across multiple languages and conformance tests. Comfortable operating at both systems and algorithmic layers, he has driven improvements in ranking pipelines that require rigorous testing and cross-language interoperability. With an MS in Computer Engineering and an early internship at Microsoft, Yilun combines strong academic grounding with product-focused execution and a track record of shipping robust, multi-language infrastructure.
10 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Physics, Bachelor's degree, Physics at Nankai UniversityMaster’s Degree, Computer Engineering, 3.75, Master’s Degree, Computer Engineering, 3.75 at Stony Brook University
Chinese, English
Github Skills (18)
c-language10
protocol-buffers10
cprogramming-language10
protobuf10
java9
python9
php9
javas9
apidoc8
api8
dotnet-core8
ruby8
nodejs8
csharp8
marshalling7
Programming languages (3)
Github contributions (5)
protocolbuffers/protobuf
Jul 2019 - Jul 2019
Protocol Buffers - Google's data interchange format
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 commit, 103 PRs, 49 pushes in 1 day
Contributions summary:Yilun primarily contributed to the project by adding and modifying code for supporting proto2 messages and integrating proto2 with various languages and systems (C++, Python, Node.js, Ruby, PHP, and Java). They implemented several test cases, expanded the conformance tests, and updated the Ruby, C#, and Objective-C implementations. These changes indicate a focus on extending the project's support for different protocol buffer versions and related functionalities.
protocol-buffersrpcgoogle-protocol-buffersinterchange-formatmarshalling
BSBandme/protobuf
Jun 2017 - Feb 2019
Protocol Buffers - Google's data interchange format
Contributions:226 pushes, 68 branches in 1 year 8 months
protocol-buffersbinary-datagoogle-protocol-buffersinterchange-formatprotobuf
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