> Markdown version of [/jobs/ext/2584569-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/2584569-mainframe-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Developer - **Company:** Uniquehire Consulting Llc - **Location:** Berkeley Heights, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Component-Based Software Engineering, Unit Testing, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, IBM DB2, Job Control Language (JCL), Mainframes, Online Transaction Processing, System Testing, Virtual Storage Access Methods, Integration Tests - **Published:** August 19, 2026 - **Apply:** https://www.dice.com/job-detail/98345481-c10c-43c9-8ecf-51e2c8c2fe0d ## About the Role Mandatory Skills: JCL, Mainframe, DB2, Mainframe Enterprise COBOL, CICS, VSAM, Batch Processing Must Have Skills: Very strong on Mainframe Enterprise Cobol, JCL. Hands on and an expert in VSAM, DB2 and CICS. Client is looking for hands-on and senior resources with expertise who can set up and drive the team. ## Description Participate in requirements analysis and impact assessment for enhancements defect fixes modernization or regulatory changes Design develops enhance and maintain application components using standard mainframe technologies ensuring alignment with client''s approved coding security and architectural standards Perform analysis coding unit testing and documentation for batch programs online transactions and interfaces running on the mainframe platform Analyze troubleshoot and resolve production incidents and defects Support system testing integration testing and user acceptance testing UAT by providing defect fixes data corrections and validation support Participate in code reviews design reviews release planning and operational readiness activities. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview)