Andrew Kowalczyk
Software Engineer at Coinbase
Los Angeles, California, United States
Summary
👤
Senior🎓
Top SchoolAndrew Kowalczyk is a seasoned full-stack software engineer with 13 years of experience building performant, user-centric web applications and shipping large-scale features across fintech, analytics, and SaaS products. He has driven end-to-end projects—from migrating legacy stacks to React and rolling out GraphQL APIs to designing reusable component systems—while improving performance (notably cutting JS bundles by ~30% and reducing load times by 75% in a migration). Comfortable in fast-moving and regulated environments, he’s delivered systems supporting hundreds of thousands of users and added production-grade tooling like Playwright test suites, feature-flagging, and analytics integrations. A pragmatic problem-solver, Andrew blends front-end polish with back-end reliability and has a track record of simplifying complex apps (consolidating multiple UIs into one) and optimizing developer workflows. Based in Los Angeles, he combines continuous learning with hands-on execution—often tackling both developer experience and customer-facing UX in the same sprint.
13 years of coding experience
9 years of employment as a software developer
Notre Dame High SchoolBachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at Loyola Marymount UniversityMongoDB University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (82)
javascript10
google-maps-javascript-api10
webpack10
google-sheet10
frontend10
react10
vpn9
devtools9
ecmascript9
testing9
networked9
wireguard9
google-map9
linter9
visuals9
Programming languages (9)
Github contributions (5)
frodosamoa/cmsi486
Sep 2013 - Dec 2013
Contributions:146 commits in 3 months
frodosamoa/pogoda
Apr 2020 - Oct 2025
Contributions:12 PRs, 45 pushes in 5 years 6 months
weather-forecastweather-forecast-application
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