David Hahn
Software Engineer, Mobile at Amazon
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolDavid Hahn is a mobile-focused software engineer with eight years of experience building React Native and React applications across Fortune 500s, fintech, e-commerce, and startups. Currently developing mobile experiences at Amazon while consulting as a lead engineer, he brings end-to-end expertise from UI/UX and state management (Redux/RTK) to backend integrations (Node, Express, SQL/NoSQL and AWS). His portfolio shows a pattern of shipping production mobile apps, optimizing performance and publishing to App Stores, plus analytics and data pipelines for proprietary tooling. Comfortable in fast-moving teams, he pairs strong front-end craftsmanship (Storybook, Jest, Detox) with practical ops skills like Docker, Sentry and Splunk. Notably, his background includes building data ingestion and conversion tools (.dbf/.xlsx → d3 visualizations), reflecting an ability to turn messy data into actionable product features. Located in San Francisco, he blends startup agility with enterprise-grade scale and reliability.
8 years of coding experience
3 years of employment as a software developer
Economics, Economics at California State University, NorthridgeInformation Systems, Information Systems at Santa Monica CollegeUniversity of California, Los Angeles
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (81)
csv10
javascript9
spreadsheet9
react-native-module9
native-module9
excel9
grid9
react9
jstree9
xml9
xlsx9
json9
android9
angular8
database8
Programming languages (5)
Github contributions (5)
DavidKHahn/Rules-for-Optimizing-Apps
Sep 2019 - Oct 2019
Contributions:33 commits, 27 pushes in 17 days
DavidKHahn/TripShare
Apr 2018 - Apr 2018
Contributions:30 commits, 21 pushes, 2 branches in 7 days
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