Jonatan Mars
Investment management mobile app with KYC, document signing, portfolio tracking, and multi-platform deployment.
Full-featured fintech mobile app for managing investment portfolios and strategies. Built with React Native + Expo for iOS, Android, and web from a single codebase.
Supabase handles the backend: PostgreSQL database, auth, edge functions, and file storage. Implemented SumSub for KYC verification, signature canvas for legal documents, PDF generation for investment reports, and data visualization with react-native-graph.
The app has a comprehensive data management layer: database migrations, seeding, import scripts, and custody holdings sync. PostHog for analytics, Sentry for error tracking, GitHub Actions + EAS for CI/CD.
Highlights
- KYC verification (SumSub)
- Document signing & PDF generation
- Supabase backend
- Cross-platform (iOS/Android/Web)
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