Developed core components of a Midas-inspired transaction processing backend using Java and Spring Boot, applying enterprise design principles to ensure system robustness and scalability.
Integrated Kafka-based event-driven messaging for efficient transaction ingestion and processing within a microservice architecture, enhancing data flow and system responsiveness.
Implemented comprehensive transaction validation and persistence logic with Spring Data JPA and H2 SQL, accurately managing balance updates across relational entities.
Designed and integrated RESTful endpoints to query user balances and incorporate external APIs, streamlining backend workflows and data access.
Ensured system reliability through rigorous verification with Maven test suites and debugging tools across all layers (messaging, database, API), maintaining high operational standards.