> Markdown version of [/jobs/ext/604713-cobol-or-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/604713-cobol-or-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). --- # COBOL or Mainframe Developer - **Company:** Techgene Solutions LLC - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Testing, Computer Programming, IBM Software, Rexx (Programming Language), Python (Programming Language), Software Deployment, Software Project Management, Z/OS, Git, Restful APIs - **Published:** June 24, 2026 - **Apply:** https://www.dice.com/job-detail/648deed9-f8c9-4de7-a557-b55a417697f3 ## About the Role * Strong SMP/E skills. * zOSMF and rest-api experience. (software management component) * GIT and USS/OMVS skills * Experience with z/OS and ISV software installations * Excellent Testing skills (design tests to validate software functionality, robustness, performance) * Python and Rexx scripting * Basic knowledge and experience with IBM software and mainframe ISV software customization. * 5-10 years of working experience JD for z/OS Software Engineer Skills Required: * Deep expertise in z/OS internals * Strong knowledge and hands-on experience with catalog management * Proven troubleshooting skills * Proficiency in USS/OMVS and USS security * Experience with z/OS and ISV software installations * Advanced testing capabilities (designing tests for functionality, robustness, and performance) * Programming experience in REXX & Python * 10+ years of working experience ## Related Videos - [Can This Elephant Dance? IBM Bob and the Future of AI-First Software Development](https://www.wearedevelopers.com/videos/100256-can-this-elephant-dance-ibm-bob-and-the-future-of-ai-first-software-development) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) - [".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) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)