A Spring Boot REST API for personal finance tracking, with a security layer that returns proper 401/403 JSON instead of Spring's default HTML redirects, and JPA projections that push aggregation into SQL.
· Solo
- spring-boot
- spring-security
- java
- jpa
Work
Backend systems, agents, and the evaluation harnesses behind them.
A digital wallet decomposed into four Spring Boot services communicating over Kafka, with per-service data ownership and dedicated consumer groups for wallet-creation and transaction-update events.
· Course project — solo- kafka
- spring-boot
- microservices
- java