Senior Mainframe Developer

Job Title: Senior Mainframe Developer

Primary Skills: COBOL, JCL, CICS, DB2, C++

Location: United States — Onsite / Hybrid / Remote (based on client needs)

Employment Type: W2 · Full-time · All immigration statuses accepted (No restrictions)

Key Responsibilities:

• Lead the design, development, and maintenance of mission-critical Mainframe applications using COBOL and C++.
• Develop, enhance, and support applications using COBOL (Batch & Online), JCL, CICS, DB2, and C++.
• Design and optimize batch processing systems and online transaction systems for high performance and scalability.
• Develop and maintain system components written in C++ for performance-intensive modules or integration layers.
• Create and manage JCL jobs, job scheduling, and production workflows.
• Work extensively with DB2 databases, SQL queries, and performance tuning.
• Handle VSAM files (KSDS, ESDS, RRDS) and sequential file processing.
• Integrate Mainframe applications with distributed systems using MQ, APIs, Web Services, or middleware technologies.
• Lead production support, troubleshoot complex issues, perform root cause analysis, and ensure system stability.
• Collaborate with architects, business stakeholders, and cross-functional teams to deliver scalable enterprise solutions.
• Participate in Agile/Scrum ceremonies and mentor junior developers.
• Support compliance, audit, and enterprise security requirements.
• Contribute to modernization initiatives involving Mainframe and distributed platform integration.

Required Skills & Experience:

• 8+ years of hands-on experience in Mainframe Development.
• Strong expertise in COBOL, JCL, CICS, and DB2.
• Hands-on experience with C++ development, including performance optimization and system-level programming.
• Extensive experience with batch and online transaction processing systems.
• Strong knowledge of DB2 SQL and database performance tuning.
• Experience with VSAM file processing and data handling.
• Experience with MQ Series, APIs, or middleware integration.
• Experience working in Agile/Scrum environments.
• Strong analytical, debugging, and problem-solving skills.
• Excellent communication and collaboration abilities.
• Experience supporting enterprise-scale or US-based client environments is highly preferred.
• Experience in Banking, Financial Services, or Insurance (BFSI) is a strong plus.

Nice to Have:

• Experience with Mainframe modernization initiatives.
• Exposure to IMS, REXX, Easytrieve, or IDMS.
• Knowledge of hybrid architectures integrating Mainframe with cloud platforms.
• Experience with DevOps or CI/CD pipelines in Mainframe or C++ environments.

Why You Belong Here:

• If you’re a seasoned developer with strong expertise in both Mainframe technologies and C++, this role offers the opportunity to work on performance-critical, enterprise-scale systems.
• You’ll contribute to modernization efforts, mentor teams, and play a key role in delivering stable and scalable mission-critical applications.

Career Break Friendly: Yes – Candidates returning to work after a career break are encouraged to apply

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