At Terra Payment Services, I design and enhance REST APIs for a cross-border payments platform operating in 96+ countries. I built a QR code-based payment solution for in-store transactions and direct merchant settlements, earning an internal award for its platform-wide impact.
I improve reliability and performance across payment systems through Kafka-based asynchronous processing, circuit breakers, retry logic, Spring Security, JWT authentication, and PostgreSQL optimization. My work improved API performance by 25% while supporting reconciliation, wallet transactions, merchant onboarding, and settlement reporting.
Previously at Avon Quality Management, I delivered and customized enterprise quality-management applications for Amway, MicroVention, National Food Products Company, and Asahi Kasei Plastics using Java, Spring Boot, microservices, AWS, and PostgreSQL.
I also founded ExamsView.com, where I managed the technology stack and led development for a government job and exam-information platform. I care about clean code, maintainable backend systems, and practical solutions that create measurable business value.
