Java Software Engineer - Legacy COBOL systems

Job Description :

We are looking for an experienced Java Software Engineer with expertise in modern Java technologies and legacy COBOL systems. The ideal candidate will play a key role in enterprise application development, legacy modernization, and integration initiatives, supporting the transition from mainframe applications to modern cloud-ready architectures.

Key Responsibilities :

• Design, develop, and maintain enterprise applications using Java and Spring technologies.

• Support, enhance, and troubleshoot legacy COBOL applications running on IBM mainframe environments.

• Participate in application modernization initiatives by migrating COBOL-based systems to Java and microservices architectures.

• Design and develop RESTful APIs and microservices for seamless integration with legacy and enterprise systems.

• Perform impact analysis, debugging, root cause analysis, and performance optimization across Java and COBOL applications.

• Collaborate with business analysts, architects, QA teams, and stakeholders to deliver high-quality software solutions.

• Develop technical specifications, system documentation, and implementation plans.

• Write clean, maintainable, and reusable code following software engineering best practices.

• Participate in code reviews, testing, production deployments, and application support activities.

• Work in Agile/Scrum teams and contribute to continuous improvement initiatives.

Required Skills :

• 6-10 years of software development experience.

• Minimum 6 years of hands-on experience in Java development.

• Minimum 3 years of experience with Spring Boot and the Spring Framework ecosystem.

• Minimum 2 years of experience working with COBOL and IBM Mainframe technologies.

• Strong expertise in Java 8/11/17, Spring Boot, Spring Framework, REST APIs, and Microservices.

• Experience with Hibernate/JPA, Maven or Gradle, JUnit, and Git.

• Hands-on experience with COBOL, JCL, CICS, VSAM, DB2, and IBM Mainframe environments.

• Experience in batch processing, application debugging, and performance tuning.

• Strong understanding of relational databases, enterprise application architecture, and system integration.

• Excellent analytical, troubleshooting, and problem-solving skills.

• Experience working in Agile/Scrum development environments.

Preferred Skills :

• Experience with cloud platforms such as AWS, Azure, or GCP.

• Knowledge of containerization technologies such as Docker and Kubernetes.

• Familiarity with CI/CD pipelines and DevOps practices.

• Experience in enterprise application modernization and legacy migration projects.

Education (Mandatory) :

• Full-time B.E./B.Tech, MCA, M.Tech, MS, or M.Sc in Computer Science, Information Technology, or a related discipline.