Senior Mainframe Developer

Job Title: Senior Mainframe Developer (10+ Years Experience)

Location: Remote

Job Type: Full-Time

Eligibility: H4 EAD / L2S / GC / USC / TN only

Note: No C2C / No consultancy resumes

Job Summary

Seeking a highly experienced Senior Mainframe Developer with 10+ years of hands-on experience in enterprise mainframe systems. The role requires deep expertise in legacy system modernization, production support, and end-to-end development across mainframe environments. The ideal candidate should be capable of working in complex, high-volume transactional systems and collaborating with cross-functional teams.

Eligibility

Applicants must be authorized to work in the U.S. without immediate sponsorship.

Eligible visa types include: H4 EAD, L2S, GC, USC, TN

Key Responsibilities

• Design, develop, test, and maintain mainframe applications.
• Work on large-scale batch and online processing systems.
• Analyze business requirements and translate them into technical solutions.
• Perform impact analysis, debugging, and production support.
• Lead system enhancements, upgrades, and performance tuning.
• Collaborate with business analysts, QA teams, and stakeholders.
• Participate in code reviews and ensure adherence to coding standards.
• Support data migration, system integration, and modernization initiatives.
• Handle incident management and root cause analysis for production issues.

Required Skills & Technologies

• Programming Languages: COBOL, JCL, REXX, Assembler (nice to have)
• Mainframe Technologies:
• CICS (Customer Information Control System)
• DB2 (Database management)
• VSAM (Virtual Storage Access Method)
• IMS DB / IMS DC (preferred)
• Tools & Utilities:
• Endevor / Changeman / Panvalet (version control)
• File-AID, Abend-AID, Expeditor (debugging tools)
• TSO/ISPF
• Batch Processing: Strong expertise in scheduling tools like Control-M, CA7
• Database Skills: DB2 SQL, performance tuning, query optimization
• Middleware/Integration: MQ Series (IBM MQ), API integration (preferred)
• DevOps Exposure: Basic understanding of CI/CD pipelines for mainframe (preferred)
• Operating Systems: z/OS

Preferred Qualifications

• Experience in Banking, Financial Services, Insurance (BFSI) or healthcare domains
• Exposure to mainframe modernization (integration with cloud, APIs, or distributed systems)
• Experience working in Agile/Scrum environments
• Strong analytical, problem-solving, and communication skills

Experience

• Minimum 10+ years of relevant mainframe development experience
• Proven experience working on large enterprise systems and high-volume transactions

Work Preferences

• Candidates open to relocation will be given preference
• Alternatively, candidates should be flexible to work across 2–3 U.S. states

Additional Notes

• No third-party or consultancy resumes
• Strong preference for candidates with stable work history and hands-on experience