Welly Shen is a senior software engineer and engineering leader based in New Taipei, Taiwan, with nine years of experience building large-scale web and OTT platforms. He led frontend development for multiple million-subscriber products at KKStream, shipping React/SSR-based apps for major Japanese customers like J:COM and KDDI, and now contributes at scale as a Sr. Engineer at Automattic. A designer-turned-developer with a master’s in HCI, he bridges product, UX, and engineering—having led a 10-person frontend team, established shared component libraries, and standardized workflows. Welly is also a prolific open-source maintainer in the React ecosystem; his hooks and demo improvements (e.g., use-places-autocomplete, react-cool-inview) are used by thousands and emphasize polished UX and accessibility. He founded a consumer fitness app (LeadFit) built with React Native, showing his product-first mindset beyond enterprise work. Pragmatic, detail-oriented, and community-focused, he treats OSS contribution as a lifestyle while driving production-grade frontend architectures.
10 years of coding experience
8 years of employment as a software developer
Master's degree, Human-Computer Interaction Design, 1st place, Master's degree, Human-Computer Interaction Design, 1st place at National Taipei University of Technology
😎 🖥️ React hook to monitor an element enters or leaves the viewport (or another element).
Role in this project:
Front-end Developer
Contributions:41 releases, 512 commits, 40 PRs in 2 years 2 months
Contributions summary:Welly primarily contributed to the development of the React-based front-end application. They modified the demo app, adding and updating components and features to showcase the core functionality of the `react-cool-inview` hook. The user refactored the codebase for code style and added type definitions, and implemented scroll direction features. The commits demonstrate a focus on improving the user interface and expanding the features of the demo app.
😎 📍 React hook for Google Maps Places Autocomplete.
Role in this project:
Front-end Developer
Contributions:42 releases, 2 reviews, 597 commits in 3 years
Contributions summary:Welly primarily focused on enhancing the demo application for the React hook `usePlacesAutocomplete`. Their contributions involved updating and refining the demo's UI and functionality, including styling, keyboard interaction support, and the addition of a cache feature. They also corrected project descriptions and adjusted the codebase to accommodate a new React version. These changes are all centered around improving the user experience and demonstrating the capabilities of the core hook.
google-mapgoogle-mapsplaces-autocompletereacthook
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