David Yu
Engineer at dyuproject.com
Cebu City, Central Visayas, Philippines
Summary
🤩
Rockstar🎓
Top SchoolDavid Yu is a seasoned engineer with 16 years of experience building high-performance Java back-end systems and contributing to prominent open-source projects like Jetty and protostuff. Based in Cebu City, he’s maintained long-term involvement at dyuproject.com while driving serialization performance improvements and features (e.g., Protostuff integration and FlushHandler) that demonstrate a focus on low-level efficiency. His GitHub contributions include benchmarking JVM serialization libraries and adding real-world Protostuff implementations, showing both tooling and library-level expertise. Comfortable across C, C++, JavaScript/TypeScript and Dart as well, he blends systems-level thinking with practical web/server engineering. Colleagues would describe him as a pragmatic problem-solver who prefers optimizing core libraries to squeezing extra milliseconds out of production systems.
16 years of coding experience
4 years of employment as a software developer
University of San Carlos
Github Skills (9)
javas10
data-serialization10
protobuffer10
protobuf10
java10
serialization10
benchmarking9
benchmark9
json9
Programming languages (16)
Github contributions (5)
protostuff/protostuff
Jan 2014 - Jul 2022
Java serialization library, proto compiler, code generator
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 220 commits, 58 PRs in 8 years 7 months
Contributions summary:David primarily focused on enhancing the Java serialization library protostuff. Their contributions included implementing new features such as a FlushHandler and unified WriteSession.reset() functionality, and addressing an issue. They modified core Java files, the compiler, and test files to improve serialization processes. These changes point towards a focus on performance and improving the library's capabilities.
code-compilerprotobufprotoprotostuffserialization
eishay/jvm-serializers
May 2010 - Mar 2014
Benchmark comparing serialization libraries on the JVM
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 commits in 3 years 10 months
Contributions summary:David contributed to the `jvm-serializers` repository, which benchmarks serialization libraries in Java. Their commits involved adding and modifying code related to the Protostuff library, including configuration, integration, and the addition of various serialization implementations. The user added support for Protostuff's core functionality and its integration with the Protostuff and JSON formats. They also updated Protostuff library versions.
comparingserializationbenchmarkjvmserialization-libraries
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