Designing and developing scalable backend systems using Java and Spring Boot, with a focus on microservice architecture, distributed systems, and reliable business processes.

• Develop and maintain Spring Boot microservices and RESTful APIs.

• Design service-to-service integrations and transactional workflows.

• Implement authentication and authorization using Keycloak, OAuth2, and JWT.

• Work with Spring Cloud, JPA/Hibernate, MySQL, Docker, and Linux.

• Design and improve financial and transaction-oriented services with a focus on consistency and reliability.

• Troubleshoot production issues, improve system performance, and contribute to backend architecture and technical decisions.