What did I do?
Responsibility
- Database & Infrastructure: Designed the schema and migrations (Drizzle ORM + Drizzle Kit) running on a PostgreSQL AWS RDS instance.
- Integrations: Plaid for bank and investment data aggregation, Stripe for subscription billing, Supabase for authentication.
- Performance: Replaced table scans with index lookups, batched N+1 queries, and parallelized async syncs.
- Front End & Testing: Cash flow and net worth visualizations with Visx/D3, covered by Jest, React Testing Library, and Cypress.
- Deployment: Vercel hosting with Docker support.