Key Responsibilities Develop, enhance, and maintain backend applications using Java and Spring Boot. Design, develop, and support REST APIs and microservices-based solutions. Write clean, scalable, and maintainable code in line with established coding standards and best practices. Develop and execute unit and integration tests to ensure application quality and reliability. Work with relational databases to design queries, optimize performance, and support data management requirements. Integrate applications with external systems, APIs, payment gateways, and messaging platforms. Troubleshoot and resolve issues across development, testing, and production environments. Participate in code reviews and contribute to technical design discussions. Collaborate with QA, DevOps, and cross-functional teams to support testing, deployments, and releases. Contribute to application performance optimization, security enhancements, and system monitoring. Follow Agile development methodologies and deliver assigned work within agreed timelines. Mandatory Skills Core Java (Java 17/21) Spring Boot and Spring Framework Microservices Architecture REST API Development and Integration Hibernate / JPA PostgreSQL or MySQL Git and Maven Object-Oriented Programming (OOP) Collections Framework, Streams, Exception Handling, and Multithreading SQL and Database Design Fundamentals Unit Testing and Integration Testing Strong Debugging, Analytical, and Problem-Solving Skills Understanding of Software Development Life Cycle (SDLC) and Agile Methodologies Effective Communication and Team Collaboration Skills Desirable Skills Apache Kafka and Event-Driven Architecture Redis Spring Security, OAuth2, and JWT Docker and Kubernetes AWS Cloud Services API Gateway Technologies CI/CD Tools such as Jenkins or GitHub Actions Application Monitoring and Observability Tools (Prometheus, Grafana, OpenTelemetry) Code Quality and Security Tools such as SonarQube, Fortify, and SCA JUnit and Mockito Performance Tuning and Optimization Experience in FinTech, Payments, Transaction Processing, or Digital Financial Services domains Exposure to Production Support and Release Management
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