Mainframe Application Developer

3M HEALTHCARE; Ireland; On-site; EUR 70,000 - 100,000; Full time

Job summary

The role is located within U.S. Bank’s wholly owned subsidiary, Elavon, which builds tailored payment solutions powered by the latest technology. Three or more days on site are expected at a U.S.

Bank location, with on‑call rotation for production support. Qualifications include a Bachelor’s degree and 5+ years of mainframe COBOL/CICS/DB2 experience, plus knowledge of JCL, batch processing, IBM IDz, and ITSM/Jira tooling.

Qualifications

• Bachelor's degree or equivalent work experience.
• At least five years of experience developing and implementing applications on mainframe platforms.
• Proficiency in COBOL/CICS/JCL with DB2/SQL and batch scheduling.

Responsibilities

• Participate in all aspects of SDLC; design, coding, testing, implementation, and documentation of solutions of moderate complexity, significance, and risk.
• Follow best practices of software development including coding standards, detailed testing, thorough documentation, and code reviews.
• Create peer‑reviewed comprehensive technical designs, unit test plans, and test cases.
• Collaborate in team agile ceremonies: Daily Stand‑ups, refinement sessions, sprint planning; provide clear and valuable input to discussions.
• Support colleagues, developers, test engineers, and product owners.
• Review, investigate, and answer internal customer queries.
• Troubleshoot and resolve production issues.
• Join a 24x7 On‑Call rota, periodically providing out‑of‑hours support for our mainframe‑based applications.

Skills

mainframe COBOL

CICS

JCL

DB2/SQL

IBM IDz

TSO batch scheduler Ca7

Education

Bachelor's degree or equivalent

Tools

IBM File Manager

VSAM

Git

ServiceNow

Jira

Visual Studio

Copilot or AI tools

Job description

At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions, enabling the communities we support to grow and succeed in the right ways.

The role is located within U.S. Bank’s wholly owned subsidiary, Elavon, which builds tailored payment solutions powered by the latest technology.

U.S. Bank is committed to fair, equitable, and transparent compensation practices in line with local regulatory and legal requirements. We actively uphold transparent and fair hiring practices that support individual opportunity, inclusive culture, and career mobility across all levels of our organization.

Job Title

Mainframe COBOL / CICS DB2 Application Developer

Responsibilities

• Participate in all aspects of SDLC; design, coding, testing, implementation, and documentation of solutions of moderate complexity, significance, and risk.
• Follow best practices of software development including coding standards, detailed testing, thorough documentation, and code reviews.
• Create peer‑reviewed comprehensive technical designs, unit test plans, and test cases.
• Collaborate in team agile ceremonies: Daily Stand‑ups, refinement sessions, sprint planning; provide clear and valuable input to discussions.
• Support colleagues, developers, test engineers, and product owners.
• Review, investigate, and answer internal customer queries.
• Troubleshoot and resolve production issues.
• Join a 24x7 On‑Call rota, periodically providing out‑of‑hours support for our mainframe‑based applications.

Qualifications

• Basic Qualifications: Bachelor’s degree or equivalent work experience; at least five years of experience developing and implementing applications.
• Required Skills: mainframe COBOL / CICS JCL, batch procedures and parameters, DB2 / SQL, IBM IDz, TSO batch scheduler (e.g., Ca7).
• Advantageous Skills: working within an agile methodology, IBM File Manager, VSAM, GIT, ServiceNow or other ITSM, Jira or other agile tool, Visual Studio, CoPilot or other AI development tools.
• Prior knowledge of the payment industry or merchant acquiring is not required but is a distinct advantage.

Location Expectations

This role requires working from a U.S. Bank location three (3) or more days per week.

Accessibility

We are committed to providing an inclusive and accessible recruitment experience. If you need adjustments at any stage of the application or hiring process, please contact your recruiter for guidance and support.

Total Rewards

• Clearly defined salary ranges aligned with industry benchmarks and internal equity standards.
• Performance‑based incentives for eligible employees, awarded through transparent, objective criteria that recognize both individual and company performance.
• Inclusive equitable benefits accessible to all employees and focused around our three main pillars: financial well‑being, health & wellness.
• Continuous development opportunities including training, education support, and career progression pathways based on inclusive and transparent criteria.
• Employee recognition programs that celebrate achievements and milestones for all.