onsite
Senior Software Engineer - Mainframe - Wells Fargo
Software Engineer
Lead the design, development, and support of mission‑critical mainframe applications for core banking, ensuring high stability, performance, and regulatory compliance using COBOL, z/OS, JCL, and CICS.
About the role
Key Responsibilities
- Architect, develop, and maintain high‑volume mainframe applications that power core banking services.
- Write and optimize COBOL code, JCL scripts, and CICS transaction logic for maximum performance and reliability.
- Collaborate with cross‑functional teams to define requirements, conduct code reviews, and implement best practices.
- Own production incidents, perform root‑cause analysis, and implement preventive measures to ensure 99.99% uptime.
- Document design decisions, coding standards, and operational procedures for knowledge transfer.
Requirements
- 10+ years of experience in mainframe development, with deep expertise in COBOL and z/OS environments.
- Proficient in JCL, CICS, DB2, and performance tuning of large‑scale batch and online systems.
- Strong understanding of banking regulations, security controls, and audit requirements.
- Excellent problem‑solving skills, with a track record of delivering stable, high‑throughput solutions.
- Effective communicator who can mentor junior engineers and collaborate with business stakeholders.