Key Responsibilities

•             Design, develop, and maintain Java-based microservices and API-driven applications supporting payment systems.

•             Implement solutions for authorization, clearing, and settlement workflows aligned with the organization’s payment architecture.

•             Develop and optimize PostgreSQL/EDB database queries, indexes, and stored procedures for high-volume transaction performance.

•             Partner with architects and product teams to deliver secure, scalable, and reliable services.

•             Implement and enforce security best practices and ensure code complies with PCI DSS and internal audit standards.

•             Participate in code reviews, ensure adherence to coding standards, and foster software craftsmanship.

•             Collaborate with DevOps teams to integrate CI/CD pipelines, monitoring, and observability into daily development workflows.

•             Troubleshoot production issues, perform root cause analysis, and contribute to system reliability improvements.

•             Stay abreast of payment industry trends, emerging frameworks, and performance optimization techniques.

Required Skills and Competencies

•             Strong hands-on knowledge of Java (Core, Spring Boot, Spring Cloud) and RESTful API design.

•             Experience in microservices development, containerization (Docker, Kubernetes), and cloud deployment (AWS, Azure, or GCP).

•             Solid understanding of payment domain processes — ISO 8583 messaging, payment switching, transaction routing, and reconciliation.

•             Proficiency in PostgreSQL/EDB with experience in query tuning and performance optimization.

•             Familiarity with message brokers (Kafka, RabbitMQ) and asynchronous communication patterns.

•             Experience working in secure and compliant environments adhering to PCI DSS standards.

•             Exposure to DevOps practices, CI/CD tools (Jenkins, GitLab CI), and monitoring stacks (Prometheus, Grafana, ELK).

•             Strong debugging, analytical, and problem-solving skills with a focus on high-quality deliverables.