Trader Backend

A Spring Boot backend for trading workflows with authenticated APIs and exchange integration.

Trader Backend is a Java/Spring Boot service that provides authenticated REST APIs and a structured backend layer (controllers, services, repositories). It uses Spring Security with JWT for access control and exposes API documentation via Swagger. The codebase includes persistence through Spring Data JPA and an integration client layer for exchange APIs.

Stack

JavaSpring BootSpring SecurityJWTSwaggerJPA/HibernateMavenPostgreSQLH2RetrofitTrading

Links

Private repo. Screenshots and a deeper walkthrough available on request.

Key contributions

JWT-based authentication and authorization using Spring Security
REST API surface with Swagger UI documentation support
Persistence layer built on Spring Data JPA (with drivers for common databases)
Trading-oriented service modules for orders and synchronization workflows
Exchange API integration code (REST + WebSocket client abstractions) via Retrofit