Pu Xiao is a tech lead with a decade of experience building scalable backend systems and polished front-end experiences across e-commerce and cloud platforms. Currently leading engineering at Shopee after an SDE II stint at Amazon, he blends production-grade backend engineering with a strong UI/UX sensibility honed through extensive open-source work. As project lead for TEAMMATES, a widely used education feedback system with 320,000 users, he drove a major modernization to Angular and RESTful APIs, reviewed hundreds of PRs, and mentored contributors through Google Summer of Code. His background includes performance benchmarking, observability automation, and lifting test coverage—practical skills that reduce toil and risk in large systems. A UC Berkeley MEng (EECS) student originally from NUS, he favors pragmatic, iterative improvements summed up by his mantra: make it work, make it better, make it faster. Beyond shipping features, he’s known for improving maintainability and developer workflows that scale with team size.
10 years of coding experience
2 years of employment as a software developer
Master's Degree Electrical Engineering and Computer Sciences, Master's Degree Electrical Engineering and Computer Sciences at University of California, Berkeley
High School High School Degree in China, High School High School Degree in China at The High School Attached to Hunan Normal University
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at National University of Singapore
This is the project website for the TEAMMATES feedback management tool for education
Role in this project:
Front-end Developer
Contributions:16 releases, 59 reviews, 106 commits in 3 years 11 months
Contributions summary:Pu primarily focused on UI improvements and bug fixes within the project's JSP files and CSS stylesheets. Their contributions involved modifying HTML elements, specifically changing `id` attributes to `class` attributes and adding/removing image loading indicators. The user also made updates to the student list and made modifications to the instructor student feedback page. These changes suggest a focus on enhancing the user interface and improving the user experience.
This is the project website for the TEAMMATES feedback management tool for education
Contributions:49 PRs, 808 pushes, 142 branches in 3 years 10 months
cssjavascriptteammatesproject-websitefeedback
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