Harold Shen
Senior Software Engineer at Google
San Diego, California, United States
Summary
🤩
Rockstar🎓
Top SchoolHarold Shen is a software developer with 10 years of experience, currently building Firebase Cloud Messaging at Google from San Diego. He has a strong full-stack background with notable open-source contributions to the widely used firebase-tools project—improving the VS Code extension, Data Connect emulator, Postgres connectivity, and SDK/deployment tooling. His early career spans backend and frontend roles across startups and internships at Amazon and Google, giving him practical experience in scalable systems, real-time products, and developer tooling. Harold pairs production engineering chops in Python, JavaScript/React, and cloud-native tooling with a track record of shipping emulator features and analytics integrations that improve developer workflows.
10 years of coding experience
2 years of employment as a software developer
University of California, San Diego
Github Skills (14)
typescript10
javascript10
typescripts10
emulation10
firebase10
typescript-types10
wpgraphql9
vscode-extension9
wordpress-graphql9
graphql9
nodejs8
yaml8
react8
testing7
Programming languages (4)
Github contributions (5)
firebase/firebase-tools
May 2018 - May 2018
The Firebase Command Line Tools
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:199 reviews, 3 commits, 288 PRs in 19 days
Contributions summary:Harold primarily contributed to the Firebase command-line tools, focusing on improvements to the Firebase VS Code extension, Data Connect features, and supporting integrations. They implemented functionality for the Data Connect emulator, including features like Postgres connection. Contributions included refactoring code, integrating analytics, and fixing bugs related to SDK generation and deployments.
command-line-toolfirebase
implicitmutation/t
May 2024 - Jul 2024
Contributions:23 PRs, 18 pushes, 24 branches in 2 months
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