Mainframe Developer || Jersey City, NJ - Onsite

Title: Mainframe Developer
Location: Jersey City, NJ - Onsite Duration: Long Term

Job Description:

Key Responsibilities:

• Design, code, test, and maintain mainframe applications using COBOL, JCL, DB2, IMS DB/DC, CICS, VSAM, and IBM MQ.
• Develop and support batch and online processes, including job streams, transaction systems, and message-driven programs.
• Analyze business requirements and translate them into technical specifications.
• Participate in the full software development lifecycle (SDLC) including design, development, testing, deployment, and support.
• Troubleshoot application issues and provide timely resolutions, including root cause analysis and corrective action planning.
• Optimize mainframe code and database access for performance and scalability.
• Work with system analysts, QA testers, and infrastructure teams to ensure system integrity and quality.
• Maintain accurate and up-to-date documentation of technical designs, codebases, and processes.
• Support production jobs and on-call troubleshooting as required.

Required Skills & Qualifications:

• Bachelor s degree in Computer Science, Information Systems, or related field (or equivalent experience).
• 3 8 years of hands-on experience with the following mainframe technologies:
• COBOL (batch and online)
• JCL (Job Control Language)
• CICS (Customer Information Control System)
• DB2 and/or IMS DB
• VSAM (Virtual Storage Access Method)
• IMS DC (Transaction Management)
• IBM MQ (Message Queueing)
• Familiarity with tools such as TSO/ISPF, File-AID, Abend-AID, and version control (e.g., Endevor or Changeman).
• Strong analytical and debugging skills.
• Ability to work independently and in a team environment.
• Good communication skills for collaboration with business analysts and QA teams.

Preferred Qualifications:

• Experience with mainframe modernization or integration with distributed/cloud systems.
• Familiarity with DevOps practices or tools in the mainframe environment.
• Exposure to agile delivery methodologies.
• Experience in banking, insurance, or other high-volume transaction systems.