> Markdown version of [/jobs/ext/3552505-senior-mainframe-developer-cards-payments-hybrid](https://www.wearedevelopers.com/jobs/ext/3552505-senior-mainframe-developer-cards-payments-hybrid). 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- Cards & Payments (Hybrid) - **Company:** Cognizant Technology Solutions Corporation - **Location:** Cleveland, OH, United States - **Experience:** Expert - **Salary:** $60,000.0 - $93,500.0 - **Contract:** Permanent contract - **Skills:** Batch Processing, Data Integrity, Software Debugging, Job Control Language (JCL), IBM Mainframe, Mainframes, Performance Tuning, Secure Coding, Strategies of Testing, Transaction Processing (Computing), Enterprise Software Applications, Performance Testing, Performance Monitor, Data Management - **Published:** October 2, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3414920729&tx=JK6559FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Strong hands-on experience with IBM mainframe technologies, including batch processing, transaction processing, and enterprise application development. * 6 + years of experience in Mainframe. * Proven expertise with IBM mainframe utilities, Job Control Language (JCL), debugging tools, and data management processes. * Experience supporting cards, payments, banking, or other financial services applications. * Strong understanding of secure development practices, data protection principles, and regulatory requirements within financial systems. * Demonstrated ability to analyze complex technical issues, troubleshoot production incidents, and drive long-term system improvements. * Experience leading technical initiatives and collaborating effectively with distributed teams and stakeholders. These will help you stand out * Deep knowledge of card processing, payment transaction lifecycles, authorization, clearing, and settlement processes. * Experience optimizing mainframe performance, batch scheduling, and resource utilization in high-volume environments. * Strong background in technical architecture, solution design, and modernization initiatives. * Experience defining and supporting testing strategies, including functional, integration, and performance testing. * Proven ability to mentor junior engineers and lead technical discussions across cross-functional teams. ## Description As a Senior Mainframe Developer , you will make an impact by leading the design, development, and optimization of business-critical mainframe applications that support high-volume payment and card processing environments. You will be a valued member of the technology team and work collaboratively with business analysts, product owners, infrastructure teams, quality engineering teams, and other stakeholders to deliver secure, scalable, and resilient solutions. In this role, you will: * Lead the design and delivery of scalable mainframe solutions that support complex transaction processing and align with enterprise technology standards. * Partner with business and product teams to translate cards and payments requirements into reliable technical solutions and system enhancements. * Drive application stability and operational excellence through performance optimization, proactive monitoring, incident resolution, and root cause analysis. * Review technical deliverables to ensure compliance with security, audit, and data integrity requirements in financial services environments. * Mentor team members and promote development best practices, knowledge sharing, and continuous improvement across the mainframe engineering organization. Work model We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Brooklyn, OH. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations. Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future. ## Related Videos - [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) - [".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) - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) - [How GitHub secures open source](https://www.wearedevelopers.com/videos/1450-how-github-secures-open-source) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [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) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)