# Jing Pei > Software Engineer | Co-Active Coach Location: Oakland, California, United States Profile: https://flows.cv/jingpei Full stack engineer with strong client- and server-side javascript experience in large scale enterprise and consumer codebases and small agile team projects. Passionate about optimizing code for rich user experiences, intuitive design, quick iteration, and collaborative teams. ## Work Experience ### Senior Software Engineer @ Credit Karma Jan 2023 – Present | San Francisco Bay Area ### Software Engineer IV @ Credit Karma Jan 2019 – Jan 2023 | San Francisco Bay Area ### Software Engineer III @ Credit Karma Jan 2019 – Jan 2019 | San Francisco Bay Area ### Software Engineer II @ Credit Karma Jan 2017 – Jan 2018 | San Francisco, California ### Senior Software Engineer @ Lookout Jan 2017 – Jan 2017 | San Francisco Bay Area ### Software Engineer @ Lookout Jan 2016 – Jan 2017 | San Francisco Bay Area ### Frontend Engineer (Contract) @ NerdWallet Jan 2016 – Jan 2016 | San Francisco Bay Area • Architected key features for new Node-React app and backported reusable components to NerdWallet’s front-end private NPM module for internal shared UI. • Led implementation of Mocha tests for Node-React apps to standardize unit testing and test coverage. • Implemented client-side changes based on Optimizely tests, increasing estimated annual profit ~$2M. • Developed new front-end features with event tracking to gather insights for improving click thrus/approvals. • Integrated A/B testing architecture into Node-React apps to support Optimizely tests in single page applications. ### Software Developer @ J.Crew Jan 2014 – Jan 2015 | New York, NY • Internationalized J.Crew site by integrating client side codebase with Smartling translation library. • Refactored front end intranet report dashboard to AngularJS to improve performance/accessibility. • Maintained and improved front-end code for J.Crew Group sites following organization style guides. • Developed business intelligence tools for planners using VBA and SQL to process and analyze sales and styles. • Streamlined data merging, reporting, and error catching with VBA and SQL to completely automate data updates. • Translated business logic to Agile stories by collaborating with cross-functional teams and business partners. ### Planning Allocator @ Macys.com Jan 2013 – Jan 2013 | New York, NY • Automated allocation and data merging processes using Excel VBA macros, increasing efficiency of processes by 80%. • Prototyped a customer facing mobile app for increasing mobile conversion, presented to Executive Committee and Macy’s Inc. CEO. ## Education ### Bachelor of Arts (B.A.) in Cognitive Science University of Pennsylvania Jan 2008 – Jan 2012 ### Minor in Computer Science University of Pennsylvania Jan 2008 – Jan 2012 ### Coach Training Program Co-Active Training Institute (CTI) ### Hack Reactor ## Contact & Social - LinkedIn: https://linkedin.com/in/jingjpei - Website: https://www.totallypossiblecoaching.com/ --- Source: https://flows.cv/jingpei JSON Resume: https://flows.cv/jingpei/resume.json Last updated: 2026-03-22