Java Developer ( WSO2 API Manager, Spring Batch, Apache Camel, DB2, ELK, Zipkin)

Responsibilities • Develop and maintain scalable backend applications using Java and Spring Boot within distributed and microservices-based environments. • Design and integrate RESTful services and enterprise APIs for business-critical applications. • Develop batch-processing solutions using Spring Batch for high-volume and scheduled workloads. • Implement API integration and management capabilities using WSO2 API Manager. • Develop application components using enterprise integration and messaging technologies such as Apache Camel and RabbitMQ. • Build and maintain data-access components across relational and NoSQL database environments, including DB2, MySQL, Oracle, MongoDB, and Redis. • Containerize and deploy Java applications using Docker and Kubernetes. • Implement automated build, testing, and deployment workflows using Jenkins and CI/CD pipelines. • Implement application quality and code-analysis practices using SonarQube. • Support centralized application logging, monitoring, and troubleshooting using ELK Stack and distributed tracing tools such as Zipkin. • Develop automated unit and integration tests using JUnit and Mockito and participate in code reviews and technical design activities. Requirements • 8+ years of strong hands-on experience in Java and Spring Boot with enterprise application development. • Proven experience developing microservices and REST APIs for distributed applications. • Hands-on experience with Spring Batch for batch-oriented application processing. • Practical experience with WSO2 API Manager or comparable API management platforms. • Experience with Apache Camel and/or enterprise messaging technologies such as RabbitMQ. • Strong database experience with DB2 and relational SQL databases, with exposure to NoSQL technologies such as MongoDB or Redis. • Hands-on experience with Docker and Kubernetes for containerized application deployment. • Strong experience with Jenkins and CI/CD automation. • Practical experience using ELK Stack for application logging, monitoring, and troubleshooting. • Experience with Zipkin or comparable distributed tracing technology. • Hands-on experience with JUnit and Mockito for automated testing. • Experience with SonarQube for static code analysis and software quality practices. • Experience in enterprise integration, distributed systems, API-based architecture, and application performance. • Experience working with Linux-based application environments and Agile development practices.