Mainframe Developer

• Design, develop, test, and maintain mainframe COBOL applications supporting core banking functions
• Participate in end-to-end SDLC activities, including requirements analysis, design, development, testing, deployment, and support
• Develop and support batch and online processing workflows in high-volume environments
• Analyze and resolve complex production incidents, performing root-cause analysis and developing preventative solutions
• Contribute to application enhancements, regulatory changes, and modernization initiatives
• Collaborate with business partners, architects, QA, and infrastructure teams
• Participate in release planning, production readiness, and post-release validation
• Ensure applications meet Wells Fargo security, risk, compliance, and audit requirements
• Support operational excellence, including performance tuning and availability improvements
• Participate in Agile delivery processes and enterprise SDLC standards

• 5+ years of Software Engineering experience, or equivalent demonstrated experience
• Strong hands-on experience with COBOL development on z/OS
• Experience with mainframe batch and online processing
• Working knowledge of JCL, VSAM, and mainframe data structures
• Experience with DB2 and/or IMS databases
• Experience with GitHub Copilot and AI tooling
• Familiarity with Endevor or similar source control/version management tools
• Experience supporting production systems in a regulated or mission-critical environment
• Ability to analyze complex system behaviors and troubleshoot issues effectively
• Experience working within Agile or structured SDLC methodologies .

Desired Qualifications:

• Experience supporting core banking, deposits, payments, or financial services systems
• Strong understanding of high-availability and high-volume transaction processing
• Experience with regulatory or compliance-driven system changes
• Familiarity with mainframe integrations (APIs, messaging, file-based interfaces)
• Experience participating in on-call rotations and supporting 24x7 production systems
• Exposure to mainframe modernization or hybrid integration initiatives
• Bachelor’s degree in Computer Science, Engineering, or related technical field, or equivalent experience