Senior Mainframe Developer

This role is for one of Weekday’s clients
Salary range: Rs 1000000 - Rs 1500000 (ie INR 10 - 15 LPA)

Min Experience: 5+ years
Location: Local to NCR, Immediate Joiner (Serving Notice Only)
JobType: full-time

We are seeking an experienced Senior Mainframe Developer with 5+ years of hands-on experience in mainframe application development, system analysis, design, and maintenance. The ideal candidate will have strong technical expertise in COBOL, IMS, JCL, and DB2, along with practical experience in analysing and enhancing legacy systems.

The role involves understanding business requirements, performing technical analysis and reverse engineering, designing and developing mainframe components, and ensuring the quality and reliability of enterprise applications through effective testing and maintenance.

Requirements

Key Responsibilities

• Requirement Analysis: Analyse business requirements for new initiatives, system enhancements, and modifications to existing mainframe applications.
• System Design and Development: Participate in system design, development, and implementation of mainframe modules based on project requirements.
• Technical Analysis and Reverse Engineering: Analyse existing mainframe code, applications, and data structures to understand system functionality and identify opportunities for improvement.
• Application Maintenance: Maintain, troubleshoot, and enhance existing mainframe applications while ensuring performance, quality, and operational efficiency.
• Testing and Quality Assurance: Perform unit testing, validate application functionality, identify defects, and ensure solutions meet technical and business requirements.
• Mainframe Utilities: Work with relevant mainframe tools and utilities to support development, debugging, data analysis, and application maintenance.
• Process Documentation: Contribute to technical documentation and continuously improve development lifecycle processes.
• Post-Implementation Support: Participate in post-implementation reviews, resolve technical issues, and share best practices and technical knowledge.
• Stakeholder Collaboration: Coordinate with cross-functional technical teams and business stakeholders, communicating project updates, technical designs, dependencies, and issues effectively.

Required Skills and Qualifications

• 5+ years of hands-on experience in Mainframe Development.
• Strong expertise in COBOL, IMS, JCL, and DB2.
• Experience working with mainframe tools and utilities, including:
• MQ Series
• File-AID
• SPUFI
• ISPF
• SAS
• Strong understanding of mainframe application architecture and development processes.
• Experience in requirement analysis, system design, application development, and unit testing.
• Ability to analyse existing code and troubleshoot complex technical issues.
• Strong analytical, problem-solving, and debugging skills.
• Ability to collaborate effectively with technical teams and business stakeholders.
• Good written and verbal communication and interpersonal skills.

Must-Have Skills

• DB2
• COBOL

Good-to-Have Skills

• PL/I (PL1)
• IDz
• ADDI

Preferred Qualifications

• Working knowledge of PL/I programming along with DB2 and IMS.
• Familiarity with IBM Developer for z Systems (IDz) and Application Discovery and Delivery Intelligence (ADDI) tools.
• Experience in reverse engineering, analysing, and maintaining legacy mainframe applications.
• Exposure to complex enterprise mainframe environments and application modernisation initiatives.