Role Overview :

We are looking for a Mainframe Developer with 5 - 8 years of experience to develop, enhance, test, and support enterprise applications running on IBM mainframe environments. The candidate will work as part of a technical delivery team and will be responsible for application development, batch processing, database integration, production support, and defect resolution.

Key Responsibilities :

- Develop, enhance, and maintain mainframe applications based on functional requirements.
- Write and modify COBOL programs for batch and online processing.
- Create and maintain JCL jobs for application execution and batch processing.
- Work with DB2 databases for data retrieval, updates, and application processing.
- Develop and maintain CICS transactions where required.
- Work with VSAM files and other mainframe data structures.
- Analyze functional requirements and prepare technical solutions.
- Perform unit testing, debugging, and defect fixing.
- Participate in integration and system testing activities.
- Investigate application and batch-job failures and resolve technical issues.
- Support production incidents and perform root-cause analysis.
- Optimize SQL queries and application processing where required.




- Participate in code reviews and follow established development standards.
- Work closely with business analysts, QA teams, senior developers, and production support teams.
- Support application releases and production deployments.
- Prepare technical documentation and support knowledge-transfer activities.
- Participate in Agile ceremonies, sprint planning, estimation, and status meetings.

Tech Stack :

- COBOL, JCL, DB2, CICS, VSAM, SQL, Mainframe batch processing

Required Experience :

- 5 - 8 years of experience in mainframe application development.
- Solid hands-on experience with COBOL and JCL.
- Good experience with DB2 and SQL.
- Working knowledge of CICS and VSAM.
- Experience in application development, testing, debugging, and production support.
- Good understanding of SDLC and software development practices.
- Strong analytical and troubleshooting skills.
- Good communication and teamwork capabilities.

Preferred Qualifications :

- Experience in Banking, Financial Services, Insurance, Retail, or enterprise technology environments.
- Exposure to MQ, APIs, or distributed application integration.
- Understanding of mainframe modernization initiatives.
- Experience working in Agile/Scrum teams.

📌 Cognizant - Mainframe Developer - JCL/COBOL (India)
🏢 Cognizant Technology Solutions
📍 India