Jing Pei
San Francisco, California, United States
Summary
👤
SeniorJing Pei is a Senior Software Engineer based in Oakland with 11 years of full‑stack experience, specializing in large-scale JavaScript applications and pragmatic Rails work. At Credit Karma she has progressed through multiple engineering levels, shipping customer-facing features and optimizing performance and UX across complex codebases. Her background includes impactful front-end architecture and A/B testing work at NerdWallet and reusable UI component libraries, plus automation and analytics tooling earlier in retail roles. Jing contributes to meaningful open‑source and mission-driven projects—such as enhancing a Rails case management system for abortion funds—demonstrating a blend of product empathy and hands‑on backend/frontend implementation. Trained in cognitive science with a CS minor, she pairs user-centered thinking with technical rigor to drive fast iteration and measurable outcomes.
11 years of coding experience
Github Skills (14)
rails10
coffeescript10
ruby-on-rails10
activerecord9
html9
rest-api8
api-rest8
css8
restful-api8
api-design8
database-design8
bootstrap7
git7
bootstra7
Programming languages (3)
Github contributions (5)
DARIAEngineering/dcaf_case_management
Mar 2017 - Mar 2017
Rails-based case management system for abortion funds
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:6 commits, 4 PRs, 3 comments in 1 day
Contributions summary:Jing contributed to the Rails-based case management system by implementing new features and improving existing functionality. They worked on calculating outstanding balances, expanding the clinic model with additional fields, and integrating a clinic finder gem. These changes involved both front-end (CoffeeScript, views) and back-end (models, controllers, routes) modifications, demonstrating full-stack development. The user also addressed UI updates and enhancements for improved user experience.
ruby-on-railsmanagement-systemrailsrubyabortion
jingpei/date-app
Oct 2015 - Nov 2015
Contributions:48 pushes, 16 branches in 25 days
javascriptreactnodejs
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.