> Markdown version of [/jobs/ext/2155445-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/2155445-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:** Linq Global Group, LLC - **Location:** Columbus, OH, United States (Remote available) - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Business Logic, Unit Testing, Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, DB2 SQL, JSON, Simple Object Access Protocol (SOAP), SoapUI, Web Services, Z/OS, Postman, ReadyAPI - **Published:** August 20, 2026 - **Apply:** https://www.dice.com/job-detail/dc5af761-8eae-42f2-b37e-b2e2e67588f2 ## About the Role candidates with strong "z/OS Connect" hands on experience - Must-have (Core) Hands-on development experience in COBOL, CICS, and DB2 for both online and batch applications, including analysis, coding, unit testing, and Migration. Strong working knowledge of CICS application programming, including COMMAREA, CICS screens. Experience in developing CICS web services with SOAP/REST. Troubleshooting skills for production/test issues such as CICS abends, DB2 SQL errors, time outs etc. Nice-to-have (Modernization / Integration) Experience creating/exposing APIs using IBM z/OS Connect, including COBOL copybook JSON mapping and service enablement of existing business logic. Familiar with API testing tools such as Postman/Ready API/SoapUI for request/response validation and payload troubleshooting. ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [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) - [JSON and Beyond](https://www.wearedevelopers.com/videos/968-json-and-beyond) ## 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) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)