Mainframe Application Developer

Tekskills Inc.; Chennai; On-site; INR 800,000 - 1,400,000; Full time

Job summary

Tekskills Inc. in Chennai is seeking a skilled Mainframe Application Developer to design, develop, test, and maintain critical mainframe systems.

The role requires deep expertise in COBOL, JCL, DB2, and CICS, plus experience in production support, data architecture, data migration testing, and performance optimization, with collaboration across analysts, QA, and developers. The ideal candidate will contribute to mainframe modernization efforts and work across teams to deliver robust, scalable

Qualifications

• Experience in mainframe application development.
• Proficiency with COBOL, JCL, DB2, CICS.
• Experience in testing and production support.

Responsibilities

• Design, develop, test, and maintain mainframe applications using COBOL, JCL, DB2, and CICS.
• Analyze business requirements and convert them into technical solutions.
• Provide production support, troubleshoot issues, and resolve application defects.
• Perform application performance tuning and optimization.
• Conduct unit testing, system testing, integration testing, and support UAT.
• Maintain technical documentation for code changes and processes.
• Collaborate with Business Analysts, QA teams, and developers to deliver high-quality solutions.
• Participate in mainframe modernization and integration initiatives.

Skills

COBOL

JCL

DB2

CICS

Data Architecture & Modeling

Data Migration Testing

Application Development

Production Support

Performance Tuning

Unit Testing

System Testing

Integration Testing

UAT

Job description

Role

Mainframe Application Developer

Notice Period

Immediate joiners or short notice candidates preferred

Job Description

We are looking for a skilled Mainframe Application Developer with strong expertise in COBOL, JCL, DB2, and CICS. The ideal candidate should have experience in application development, production support, data architecture, data migration testing, and performance optimization.

Key Responsibilities

• Design, develop, test, and maintain mainframe applications using COBOL, JCL, DB2, and CICS.
• Analyze business requirements and convert them into technical solutions.
• Provide production support, troubleshoot issues, and resolve application defects.
• Perform application performance tuning and optimization.
• Conduct unit testing, system testing, integration testing, and support UAT.
• Maintain technical documentation for code changes and processes.
• Collaborate with Business Analysts, QA teams, and developers to deliver high-quality solutions.
• Participate in mainframe modernization and integration initiatives.

Mandatory Skills

• COBOL
• JCL
• DB2
• CICS
• Data Architecture & Modeling
• Data Migration Testing
• Application Development
• Production Support
• Performance Tuning
• Unit Testing
• System Testing
• Integration Testing
• UAT