Lechuan Wang
Software Engineer at Amazon
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolLechuan Wang is an applied scientist and software engineer with nine years of experience building data-driven systems and recommendation products at Amazon in Seattle. He has blended research and production skills across roles—from launching terabyte-scale AWS data pipelines and causal inference models at UC San Diego to shipping Customer360 memory and recommendation core services at Amazon. Comfortable across backend, frontend, and test automation, he’s contributed QA-focused Java test work to the popular Exercism exercises repo and has hands-on experience with Django, React, and probabilistic ML. Known for translating research into production-ready solutions, he combines rigorous analytical training in applied mathematics and data science with practical engineering discipline.
9 years of coding experience
2 years of employment as a software developer
Summer School, Computer Science, Summer School, Computer Science at University of California, BerkeleyUniversity of California, San Diego
Stackoverflow
1reputation
0reached
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Github Skills (8)
tracks10
javas10
junit10
java10
testing10
co9
cc9
acc9
Programming languages (4)
Github contributions (5)
exercism/java
Feb 2018 - Feb 2018
Exercism exercises in Java.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:8 commits, 7 PRs, 17 comments in 10 days
Contributions summary:Lechuan's contributions primarily involve updating and modifying test cases within the Java-based Exercism project. They updated tests for various exercises like ISBN verifier, prime factors, Atbash cipher, Pig Latin translator, Roman numerals, Scrabble score, and the new Zipper exercise. The user's work focuses on adapting existing tests, adding new tests, and correcting existing test functionality to align with exercise requirements. They also reverted commits related to test updates, showing they actively manage and refine the testing process.
javaexercismexercism-exercisesexercism-trackcommunity-contributions-accepted
LuLechuan/teammates
Dec 2017 - May 2018
This is the project website for the TEAMMATES feedback management tool for education
Contributions:192 pushes, 7 branches, 7 tags in 5 months
cssjavascriptteammatesproject-websitefeedback
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