Mainframe Developer – COBOL/CICS (Automotive Finance)

Codetech • Torrance, CA

11h • Hybrid

About The Position

Seeking an experienced Mainframe Developer for a contract-to-hire role in Torrance, California, with a hybrid schedule requiring four days onsite. The role supports application development, production support, and performance optimization across multiple enterprise-level systems, with a focus on COBOL/CICS, DB2, JCL, IBM MQ, and automotive finance domain experience.

The developer will troubleshoot production issues in batch and online systems, analyze and optimize daily and monthly batch processing, assess impacts across systems and platforms, and produce technical design, development, and estimation documentation. The role also participates in off-hours on-call support for batch processes. Strong communication and collaboration are important in a fast-paced production environment, as is an interpersonal style aligned with the client culture.

Requirements

• Strong hands-on experience with COBOL, CICS, DB2, JCL, and IBM MQ.
• Experience in a mainframe development and production support environment.
• Strong troubleshooting and debugging skills for batch and online systems.
• Familiarity with unit testing practices.
• Strong communication and collaboration skills.
• Ability to work in a fast-paced production environment.
• Interpersonal style aligned with client culture.
• Mandatory skills listed: .NET Core and microservices.

Nice To Haves

• Experience in the automotive finance industry.
• Exposure to FIS Systematics (a plus, but not mandatory).
• Good-to-have skills listed: GitHub Copilot, JSON, and prompt engineering.

Responsibilities

• Provide application development and production support for large-scale mainframe applications.
• Troubleshoot and resolve production issues, including batch and online abends.
• Analyze and optimize daily and monthly batch processes to improve efficiency and reduce processing windows.
• Perform impact analysis across multiple systems and platforms.
• Deliver technical design, development, and estimation documentation.
• Participate in off-hours on-call support for batch processes.

What This Job Offers

• Education Level: No Education Listed