David Liu
Software Engineer at Pinterest
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolDavid Liu is a results-driven software engineer with 12 years of experience designing and optimizing large-scale distributed systems across backend, iOS, and frontend domains. Currently at Pinterest, he focuses on API performance engineering and data workflows, after shaping core map, ETA, and routing systems at Uber and building high-quality video players at Amazon. He combines solution architecture and performance engineering expertise with hands-on implementation—evident from an open-source iOS radio-button component that improved Swift compatibility and Interface Builder support. Based in San Francisco, he brings a blend of startup founder grit (scaling a top Chinese app-recommendation site to ~100k daily visitors) and formal training in computer science and leadership strategy.
11 years of coding experience
10 years of employment as a software developer
HBX Leadership & Strategy, HBX Leadership & Strategy at Harvard Business School OnlineMS, Computer Science, MS, Computer Science at The George Washington UniversityBE, Information Engineering, BE, Information Engineering at Hunan University
English, Chinese
Stackoverflow
17,004reputation
2.6mreached
13answers
52questions
checkbox
top-5%
Github Skills (14)
swift10
ios10
ui-components10
checkbox9
ui-design9
radio-buttons9
interface-builder9
xcode6
delegates6
cocoa-touch6
uibutton6
android6
iphone6
uiviewcontroller6
Programming languages (6)
Github contributions (5)
DavydLiu/DLRadioButton
Mar 2015 - Nov 2018
Radio Button for iOS
Role in this project:
Front-end Developer
Front-end DeveloperContributions:42 commits, 18 PRs, 38 pushes in 3 years 9 months
Contributions summary:David primarily contributed to the development of the iOS radio button component. Their work focused on implementing features like custom icon positioning (left/right) and adding support for multiple selection options. The commits demonstrate the user's ability to modify UI components and integrate them within an example application. Further, they added interface builder support and improved the project's Swift compatibility.
radio-buttonbuttonswiftiosradio
DavydLiu/articles
Jun 2015 - Jul 2015
Contributions:6 pushes, 1 branch in 7 days
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