Jieyi Wu
Senior Android Engineer at Mercari, Inc.
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolJieyi Wu is a Senior Android Engineer based in Tokyo with a decade of experience spanning Android/iOS and embedded systems, known for building scalable mobile architectures and embedding rigorous testing. At Mercari since 2022, he created a testing process that reduced refactoring side-effects by 25% and led efficiency initiatives that boosted productivity by 30%, while introducing test coverage reports that improved unit and E2E coverage by 30% and 20%. Earlier at PayPay, he refactored the SDK to MVVM + repository pattern, cutting the codebase size by 40% and enhancing unit test coverage with PR-level visual reports. As a Software Engineer Team Lead at Cloverlab, he led a team of 20, delivered Android/iOS apps, and established CI/CD and real-time code review practices that reduced development costs by 30%. He holds a BS in Computer Science from Chung-Hua University and an MS from National Central University, and remains an active open-source contributor who enjoys exploring frontend web and machine learning.
10 years of coding experience
8 years of employment as a software developer
Bachelor of Science (BS), Computer Science and Information Engineering, Bachelor of Science (BS), Computer Science and Information Engineering at Chung-Hua UniversityMaster of Science (MS), Computer Science and Information Engineering, Master of Science (MS), Computer Science and Information Engineering at National Central University
Chinese, Japanese, English
Github Skills (95)
tornadofx10
detekt10
ktor10
compose-desktop10
gradle-plugin10
dynamic-features10
playing10
compose10
clean-architecture10
kodein10
music10
lint10
android-app10
counting10
kotlin10
Programming languages (10)
Github contributions (5)
pokk/algorithm
Feb 2016 - Nov 2020
Contributions:1 PR, 87 pushes, 1 branch in 4 years 10 months
pokk/Mailer
Feb 2016 - Apr 2021
Auto mail to someone
Contributions:1 release, 1 PR, 35 pushes in 5 years 3 months
mailemailsmtp
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.