Jack Jin
Software Engineer at Google
United States
Summary
👤
Senior🎓
Top SchoolJack Jin is a software engineer at Google with 10 years of experience and a Bachelor's in Computer Science and Engineering from MIT, complemented by a minor in Data Science and Statistics. He is proficient in Python, TypeScript, and C++, and has deep hands-on experience with ML libraries such as PyTorch, TensorFlow, fastai, numpy, and pandas. His background includes research-grade AI work at MIT where he built and optimized a space-weather forecasting model to 88% validation accuracy through careful data engineering and seasonal-aware validation. On the open-source side, he has contributed to the Klaytn blockchain implementation, adding governance voting, dynamic gas pricing, and reward configuration—work that speaks to his comfort with consensus-level backend systems. He combines research rigor with production engineering, able to translate complex models into reliable, test-covered features at scale.
10 years of coding experience
Bachelor's degree, Computer Science and Engineering, 4.5/5.0, Bachelor's degree, Computer Science and Engineering, 4.5/5.0 at Massachusetts Institute of TechnologyHigh School Diploma, High School Diploma at Bronx High School of Science
Github Skills (6)
consensus10
go10
blockchain10
testing9
apidoc9
api9
Programming languages (13)
Github contributions (5)
klaytn/klaytn
May 2022 - Dec 2022
Official Go implementation of the Klaytn protocol
Role in this project:
Back-end Developer
Back-end DeveloperContributions:454 reviews, 341 commits, 85 PRs in 7 months
Contributions summary:Jack's contributions focused on enhancing the Klaytn protocol's governance mechanisms. They implemented and tested governance voting functionality, including modifications to key mapping and parameter settings. The user added new parameters related to reward configuration and dynamic gas price management, incorporating them into the blockchain's configuration and testing environments. These changes involved modifying code across multiple files, including test suites, indicating a focus on features related to core consensus and reward policies.
golangblockchainklaytnblockchain-platform
kjeom/ExampleMiniDapp
Jan 2025 - Feb 2025
Fully on-chain survey platform on LINE
Contributions:118 PRs, 128 pushes, 2 branches in 1 month
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