A 17-year-old developer built HCB Mobile using Expo (React Native), a fintech app handling $6M monthly for 6,500+ nonprofits. Key challenges included securing Apple/Google permissions for Tap to Pay and Push Provisioning, requiring months of negotiations and compliance checks. Solved by implementing Expo’s EAS update service for over-the-air updates, eliminating the need for frequent app rebuilds. This 250-hour project showcases innovative mobile development solutions in fintech, with the app open-sourced on GitHub for community contribution. Highlights include overcoming platform restrictions and optimizing deployment workflows, offering valuable insights for developers in the financial tech space.
原文链接：Hacker News
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