> Markdown version of [/jobs/ext/3275385-senior-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/3275385-senior-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).

---

# Senior Mainframe Developer

- **Company:** Spectraforce
- **Location:** Jersey City, NJ, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Agile Methodology, Unit Testing, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, IBM DB2, Software Debugging, Emulators, Job Control Language (JCL), Mainframes, Online Transaction Processing, Software Tools, SQL Stored Procedures, Virtual Storage Access Methods, File Transfer Protocol (FTP), Gitlab, Software Version Control, Control M
- **Published:** September 14, 2026
- **Apply:** http://leoforce.us/Careers/Spectraforce/JobDetails.html?jobid=817da1eb-a9e8-453e-88df-208e758bf8d8&OrgId=1&UserId=6620

## About the Role

* More than 10 years of hands-on development experience with strong proficiency in mainframe technologies, including COBOL, JCL, CICS, EZYTRIEVE, IBM DB2, VSAM, MQ, NDM/SFTP file transmissions, and SORT.
 * In-depth knowledge of IBM IDZ Mainframe Emulation Software and IDZGit source code management.
 * Strong understanding of scheduling software used in the Bank's batch processing environment, such as Control-M.
 * Experience writing and optimizing batch jobs, stored procedures, and online transactions.
 * Experience performing code reviews, unit testing, and debugging.
 * Knowledge of Agile methodologies and GitLab.
 * Good-to-have knowledge of financial products such as InvestOne or similar platforms.
 * The ability to apply application expertise to quickly diagnose and resolve issues while maintaining client service level agreements.
 * Experience using AI tools such as Windsurf, Devin, and Claude to develop solutions is preferred.



## Related Videos

- [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)
- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Brewing Tea over the Internet](https://www.wearedevelopers.com/videos/697-brewing-tea-over-the-internet)
- [GitLab CI pipelines for a whole company](https://www.wearedevelopers.com/videos/143-gitlab-ci-pipelines-for-a-whole-company)
- [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)

## Related Articles

- [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)
- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025)
- [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma)
- [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)