Jeffery Liang
Independent Contractor at DataAnnotation
Oakland, California, United States
Summary
👤
Senior🎓
Top SchoolJeffery Liang is an independent contractor and computer science graduate based in Oakland, California, with nine years of experience in software-related roles. He combines a formal CS background from San Francisco State University with hands-on contracting work at DataAnnotation, focusing on practical software development and data-related projects. Comfortable operating in Bay Area tech environments, Jeffery brings a pragmatic, results-oriented approach to building tools and pipelines that support annotation and ML workflows. His profile suggests steady, adaptable experience rather than flashy open-source activity, making him a reliable contributor for teams needing dependable delivery. Colleagues value his blend of academic grounding and real-world contracting discipline, and he’s positioned to grow into larger engineering roles or lead small project teams.
9 years of coding experience
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at San Francisco State UniversityHigh School Diploma, High School Diploma at Oakland Technical High School
English, Chinese
Github Skills (27)
expressjs9
acl8
middleware8
cookie8
koa7
nodejs6
vue-directive6
vuejs25
vue5
css5
quill-editor5
javascript5
javascript-api4
vue-component4
quil4
Programming languages (3)
Github contributions (5)
JefferyLiang/koa-2-acl
Oct 2017 - Nov 2019
ACL middleware of koa 2
Contributions:32 commits, 5 PRs, 47 pushes in 2 years
koamiddlewarekoa-2-aclkoa-aclkoa-middleware
JefferyLiang/yp_express
Sep 2017 - Oct 2017
Contributions:180 pushes, 1 branch in 1 month
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