> Markdown version of [/jobs/ext/3785443-lead-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/3785443-lead-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). --- # Lead Mainframe Developer - **Company:** PROLIM Global Corporation - **Location:** Boston, MA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** COBOL (Programming Language), Code Review, IBM DB2, Job Control Language (JCL), IBM Mainframe, IBM WebSphere MQ, IBM Information Management System, Mainframes, Spring-boot, Virtual Environment, Git - **Published:** October 16, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-mainframe-developer-boston-ma--9d7fc9eb-0aff-45fb-bf5d-1a8570618b15 ## About the Role * Strong communication skills. * Willing to ask questions; offer recommendations; participate/lead in virtual environment * Demonstrated quick learner * Should have good working knowledge of Spring Boot and Git ## Description Lead Mainframe DeveloperLocation: Indianapolis, IN / Plano, TX / Boston, MA / Portsmouth, NH/ Seattle, WA - onsiteDuration: 6 months ContractJD:Mainframe Application Developer with Strong experience in IBM mainframes, Cobol, IMS DB, DB2, JCL, MQ series & Xpeditor, minimum with 5 to 8 years of experience, No production support profiles.Design, Code, test and maintain applicationsAssist Quality Assurance teams in testing applicationsPeer review code and technical documents for other team membersParticipate in On-call rotation to resolve applications failuresAssist in research and issue resolution for processing of business dataMonitor and trouble-shoot system performance, resolve issues (on-call issues, performance issues, etc.) and coordinate with respective support teams to resolve software and hardware issues.IBM mainframes, Cobol, IMS DB, DB2, JCL, MQ series & XpeditorSelf-starter with exceptional initiative.Willing to go after work to stretch skill breadth/depth and support team.Goes after (pulls) opportunities rather than sitting back waiting for push.Strong testing experience (unit, integration, contract)Strong communication skills.Willing to ask questions; offer recommendations; participate/lead in virtual environmentDemonstrated quick learnerShould have good working knowledge of Spring Boot and Git