Mainframe Developer || Wilmington, DE, Jersey City, NJ – Onsite

Position: Mainframe Developer

Location: Wilmington, DE, Jersey City, NJ – Onsite

Duration: Contract

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).

•            8 years of hands-on experience with the following mainframe technologies:

o            COBOL (batch and online)

o            JCL (Job Control Language)

o            CICS (Customer Information Control System)

o            DB2 and/or IMS DB

o            VSAM (Virtual Storage Access Method)

o            IMS DC (Transaction Management)

o            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.

Thanks & Regards.