Build a Digital Bank (Step-by-Step Playlist)
Posted by AdPresent3286@reddit | programming | View on Reddit | 0 comments
This series walks through how to build a digital bank from scratch
Tech Stack
- Spring Boot microservices (Customer, Account, Transaction, Payments, AuthUser, Consent)
- Auth0 for OAuth2 / JWT-based security
- PostgreSQL for persistence
Key Concepts Covered
- Domain-Driven Design for financial services
- FDX-compliant API contracts (OpenAPI-first)
- Idempotency, ETags, and optimistic concurrency