Yucheng Chen is a seasoned engineering leader with 12 years of experience building and managing high-performing product and platform teams across Tokyo and global companies. Currently Senior Engineering Manager at Mercari, he has progressed through engineering and leadership roles at Playco, SmartNews, LINE, Mozilla and IBM, blending hands-on software craftsmanship with people and delivery management. His background includes front-end work on notable open-source projects like Mozilla’s Gaia UI, reflecting an eye for user-facing polish and cross-cultural localization issues. With a Master’s in Service Science Management & Engineering, he pairs product-oriented systems thinking with practical engineering execution. Colleagues describe him as a pragmatic coach who scales teams and processes while staying close to technical details.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Business Administration Management Information Systems, Bachelor of Business Administration Management Information Systems at National Chengchi University
Master Service Science Management & Engineering, Master Service Science Management & Engineering at National Tsing Hua University
DEPRECATED - Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see
Role in this project:
Front-end Developer
Contributions:238 commits, 173 PRs, 37 pushes in 1 year 3 months
Contributions summary:Yucheng contributed to the user interface (UI) of the Boot 2 Gecko (B2G) project's Gaia phone UI. The commits primarily focused on fixing UI rendering issues, such as incorrect display of arrow icons in Asian language input methods. Further contributions include removing and modifying code related to the keyboard, including removing the "sendString" method from the pinyin IME, as well as changes to the permission dialog and video player. This suggests a focus on improving the user experience and addressing specific UI bugs.
Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see https://wiki.mozilla.org/Release_Management/B2G_Landing
Contributions:4 PRs, 153 pushes, 112 branches in 6 months
branchesphonerelease-managementjavascriptgaia
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