Mainframe Developer – Digital Banking Payments

About the role

The Software Development Engineer will act as a technical leader in the Mainframe Software Engineering Department, building and supporting industry‑leading digital banking payment processing solutions. Working in an Agile environment, you will design, develop, test and maintain new features for the Digital Payment Services (DPS) platform to meet the needs of Fiserv clients and their customers.

Key responsibilities

• Collaborate with the Solution Architect and Scrum team to ensure code aligns with the defined architecture and platform best practices.
• Participate in daily stand‑ups, code reviews, QA walkthroughs and sprint planning.
• Develop a deep understanding of data models, flows, audit controls, error handling and security requirements.
• Validate technical designs through prototyping and support continuous improvement of development practices.
• Coordinate with offshore teams for peer reviews, documentation and installation tasks.
• Provide 24 × 7 on‑call support on a rotational basis.

Required profile

• Bachelor’s degree or at least five years of relevant experience.
• Five or more years designing and developing secure mainframe applications.
• Strong client‑facing skills and experience with large‑scale applications in financial institutions.
• Ability to work in an Agile Scrum environment and deliver high‑quality code within sprint timelines.

Required skills

• COBOL
• JCL
• CICS
• MQ
• Db2 for z/OS
• REXX (nice to have)
• Agile Scrum methodology
• Test‑Driven Development (TDD)