> Markdown version of [/jobs/ext/3224226-senior-mainframe-cobol-developer-debit-card-processing](https://www.wearedevelopers.com/jobs/ext/3224226-senior-mainframe-cobol-developer-debit-card-processing). 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 COBOL Developer (Debit Card Processing) - **Company:** TECHNOVAL TRADING INC. - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $135,200.0 - $145,600.0 - **Contract:** Permanent contract - **Skills:** Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, IBM DB2, Software Debugging, Payment Systems, Job Control Language (JCL), IBM Mainframe, IBM WebSphere MQ, Mainframes, Software Engineering, Virtual Storage Access Methods, Transaction Processing (Computing), Tso/ispf, Easytrieve, ISO 8583 - **Published:** September 10, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=c70ca0446d2a389c ## About the Role If you have a strong background in IBM Mainframe technologies and financial services, we'd love to hear from you., * 10+ years of IBM Mainframe development experience. * Strong hands-on experience with COBOL and CICS. * Experience with Assembler (HLASM). * Strong JCL and Batch Processing experience. * Experience with Easytrieve / Easytrieve+. * Experience with IBM MQ / WebSphere MQ. * Experience with VSAM, DB2, TSO/ISPF, and SDSF. * Strong debugging and production support experience. Required Domain Experience Must have experience in Banking or Financial Services with Debit Card Processing, including one or more of the following: * Debit Card Authorization * ATM Transaction Processing * POS Transaction Processing * Card Services / Card Issuing * Payment Processing Systems * ISO 8583 messaging (preferred) Preferred Qualifications * Experience working with large banking clients or payment platforms. * Experience supporting mission-critical financial transaction systems. * Strong communication and problem-solving skills. ## Description We are seeking a Senior Mainframe COBOL Developer with strong Debit Card / Payment Processing experience to join a long-term project with M&T Bank. This is a fully remote opportunity for an experienced mainframe professional who has worked on high-volume banking transaction systems supporting debit card authorization and batch processing., * Design, develop, enhance, and maintain COBOL batch and online applications on IBM z/OS Mainframe. * Support debit card processing applications used for ATM and Point-of-Sale (POS) transactions. * Develop and maintain COBOL, CICS, JCL, Easytrieve, and Assembler programs. * Work with IBM MQ for messaging and transaction processing. * Analyze production issues, troubleshoot batch failures, and provide timely resolutions. * Collaborate with business analysts, testing teams, and application support teams throughout the software development lifecycle. * Participate in code reviews, testing, deployment, and production support activities. ## 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) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Unlocking the Power of the Mainframe: Developing modern applications on z/OS](https://www.wearedevelopers.com/videos/764-unlocking-the-power-of-the-mainframe-developing-modern-applications-on-z-os) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [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)