ProjectsBackend Development
Financial System Backend
A backend system for financial management built with NestJS, Prisma ORM, and PostgreSQL. Features RESTful API endpoints with Swagger documentation, double-entry bookkeeping, and transaction reporting.

My Role
- 01Designed and implemented RESTful API endpoints for financial data.
- 02Created structured API documentation using Swagger/OpenAPI.
- 03Modeled relational database schemas with PostgreSQL and Prisma ORM.
- 04Implemented secure JWT authentication and role-based authorization guards.
Features
- 01RESTful API architecture with interactive Swagger/OpenAPI documentation.
- 02Financial transaction management for income, expenses, and account transfers.
- 03Financial reporting with aggregation summaries for analytics.
- 04JWT-based authentication and role-based authorization.
- 05Relational data modeling backed by PostgreSQL and Prisma ORM.
Impact
- Structured and fully documented financial management backend.
- Clean REST endpoints designed for integration with web and mobile clients.
- Relational database schema enforcing financial data integrity.
Stack
NestJSPostgreSQLPrismaSwaggerTypeScriptREST API
