Tianxiao Wang
Senior Software Engineer at Delivery Hero
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolTianxiao Wang is a Senior Software Engineer based in Berlin with a decade of professional experience building scalable web and hybrid applications. He combines deep front-end expertise in JavaScript and React with back-end skills in Java and Node.js, having shipped production systems at Zhihu, Alibaba, and Delivery Hero. At Zhihu he led a team to build a popular open-source React video player (griffith) and improved deployment and performance practices for millions of daily users. While at Alibaba he designed enterprise React frameworks and an A/B testing infrastructure serving thousands of experiments, and he cut user-reported bugs by half via a monitoring platform. His open-source contributions include MSE fixes, mobile UX improvements and quality switching for video playback, plus enhancements to jest-puppeteer testing workflows—demonstrating a pragmatic focus on reliability and developer experience. Trained originally in environmental engineering, he brings a systems-minded approach to engineering tradeoffs and long-lived platform design.
10 years of coding experience
7 years of employment as a software developer
BE, Environmental Engineering, BE, Environmental Engineering at Nankai University Binhai College
Chinese, English, German
Github Skills (16)
html10
videojs10
media-playback10
javascript10
puppeteer10
html5-video10
jestjs10
chrome10
playback10
video-player10
react10
integration-testing10
testing10
mp49
hlsl8
Programming languages (4)
Github contributions (5)
zhihu/griffith
Mar 2019 - Dec 2020
A React-based web video player
Role in this project:
Front-end Developer
Front-end DeveloperContributions:13 releases, 2 reviews, 80 commits in 1 year 9 months
Contributions summary:Tianxiao primarily contributed to the development and maintenance of the React-based video player, `griffith`. Their work focused on fixing bugs related to Media Source Extensions (MSE), addressing issues in the standalone build, and implementing features like buffered caching and video quality adjustment. They also made improvements to the player's mobile usability and handled cases related to video playback and controller display, demonstrating a focus on enhancing the user experience.
mp4boxwebrtcvideo-playervideoweb-video-player
argos-ci/jest-puppeteer
Nov 2018 - May 2019
Run tests using Jest & Puppeteer 🎪✨
Role in this project:Full-stack Developer (Focus on Testing/DevOps)
Full-stack Developer (Focus on Testing/DevOps)Contributions:16 commits, 18 PRs, 3 pushes in 5 months
Contributions summary:Tianxiao primarily contributed to improving the testing infrastructure and examples for the `jest-puppeteer` repository. They implemented features for the `jest-dev-server` integration, enabling support for multiple servers and exposing server access. Furthermore, the user updated and expanded the create-react-app example to demonstrate testing capabilities. Finally, the user fixed several issues related to the watch mode and debug mode of jest-puppeteer, enhancing the developer experience.
jesttestingpuppeteerjavascriptchrome
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