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.