Mainframe COBOL Software Engineer

About your role: As a Mainframe COBOL Software Engineer you will be a part of our Core Acquiring Front End engineering group within Fiserv’s Global Business Solutions (Payment Acceptance) business. You will join an organization responsible for mission critical platforms that support our payment acquiring business. You will be part of a team that captures over 50 million payment authorizations per day with a peak throughput of over 8,000 transactions per second and maintain millisecond fast response time for some of the largest merchants in the US. The applications you support will send captured authorizations to settlement processing for our merchant clients to get funded. You will use your passion to be a critical problem solver who can balance platform stability and resiliency along with modern engineering practices and solutions. You will develop customized solutions within the North Front End Host Data Capture applications to support critical business functions and meet project objectives, client requirements, and company goals. What you'll do: Support production support activities (research/investigation, fixes, reporting to stakeholders, implementation) for the North Front End Host Data Capture applications24x7x365. Conduct long-term improvements for the applications to ensure compatibility with evolving mission requirements. Maintain a flexible and proactive work environment to facilitate a quick response to changing project requirements and customer objectives and innovate ways to meet mission goals successfully. Design, Code, Test, and debug software code using Mainframe Cobol, JCL, DB2, TCP/IP, on IBM Mainframe for high transaction volume applications Create design documentation and review with all project stakeholders and management. Collaborate with test team to ensure proper testing of software changes Peer review code changes, backout, and implementation plans with the team. Use Jira tool to track and move software changes from design to deployment. Use Servicenow to create Change Records and for working Incidents. Communicate with project managers, clients, and other developers to design cohesive project strategies and ensure effective collaboration throughout all phases of development, testing and deployment. Present ideas to Product and IT management for application performance improvements and innovations to gain efficiencies, reduce costs and increase revenue. Keep up to date with evolving technologies, secure coding principles, and payment business specific to the applications. Experience you'll need to have: 4+ years of experience in COBOL, CICS, TCP/IP and Mainframe 4+ years of experience in full Software Development Life Cycle and Testing Methodologies 4 + years of experience in technical design writing and documentation 2+ years of experience working with SQL and DB2 database 1+ years of experience using GenAI assistants or LLM developer tools incorporating AI into daily development activities. Ability to work some nights and weekends throughout the year for production code deployment and team support schedule Bachelor’s degree in computer science, engineering, or a related field, or an equivalent combination of education, work, and/or military experience Experience that would be great to have: Experience in the payments or financial domain Important information about this role: This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity. This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered. All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability. #J-18808-Ljbffr MainframeMaster