Mainframe Developer – DBB / DB2

Tekskills Inc.; Hyderabad; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Tekskills Inc. in Hyderabad is seeking an experienced Mainframe Developer to develop, enhance, and maintain Mainframe applications.

The role requires strong COBOL, JCL, DB2, CICS, and VSAM skills, plus familiarity with mainframe utilities and batch processing. You will analyze requirements, create designs, perform testing, and support deployments.

Qualifications

• Proven experience in Mainframe development and support.
• Strong COBOL, JCL, DB2, CICS, and VSAM knowledge.
• Experience with batch processing and online transaction systems.
• Familiarity with mainframe utilities (IDCAMS, SORT, FILE-AID, XPEDITOR).
• Knowledge of SDLC, Agile and Waterfall methodologies.

Responsibilities

• Develop, enhance, and maintain Mainframe applications.
• Analyze business requirements and prepare technical design documents.
• Develop and optimize COBOL programs.
• Create and maintain JCL for batch processing.
• Work with DB2, VSAM, and CICS applications.
• Perform unit testing, integration testing, and defect resolution.
• Troubleshoot production issues and provide timely resolutions.
• Conduct code reviews and follow development standards.
• Collaborate with business analysts, testing teams, and stakeholders.
• Support application deployment and release activities.

Skills

Strong debugging

Problem solving

SDLC knowledge

Agile & Waterfall

Batch processing

Team collaboration

Tools

COBOL

JCL

DB2

CICS

VSAM

IDCAMS

SORT

FILE-AID

XPEDITOR

Endevor

Changeman

IMS DB/DC

MQ Series

Web Services

Job description

Key Responsibilities

• Develop, enhance, and maintain Mainframe applications.
• Analyze business requirements and prepare technical design documents.
• Develop and optimize COBOL programs.
• Create and maintain JCL for batch processing.
• Work with DB2, VSAM, and CICS applications.
• Perform unit testing, integration testing, and defect resolution.
• Troubleshoot production issues and provide timely resolutions.
• Conduct code reviews and follow development standards.
• Collaborate with business analysts, testing teams, and stakeholders.
• Support application deployment and release activities.

Essential Skills

• Strong experience in COBOL, JCL, DB2, CICS, and VSAM.
• Hands-on experience with Mainframe development and support.
• Knowledge of Mainframe utilities such as IDCAMS, SORT, FILE-AID, and XPEDITOR.
• Experience with batch processing and online transaction systems.
• Strong debugging and problem-solving skills.
• Good understanding of SDLC, Agile, and Waterfall methodologies.

Preferred Skills

• Experience in BFSI domain.
• Knowledge of Endevor, Changeman, or other source control tools.
• Exposure to IMS DB/DC.
• Experience with Mainframe modernization initiatives.
• Knowledge of MQ Series and Web Services integration.