We are looking for Cards Mainframe Developer for our client in Chicago, IL

Job Title: Cards Mainframe Developer

Job Location: Chicago, IL

Job Type: Contract

Job Overview:

Pay Range: $38hr - $43hr

Requirement/Must Have:

1+ years of hands-on experience in Mainframe technologies: COBOL, JCL, VSAM, DB2.
Solid expertise in Unix/Linux Shell Scripting.
Strong SQL and PLSQL skills: procedures, functions, triggers, packages.
Experience integrating shell scripts with relational databases.
Strong debugging, analytical, and problem-solving skills.
Good understanding of batch processing and automation workflows.
Ability to work independently and collaboratively within a team.

Responsibilities:

Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2.
Troubleshoot, debug, and resolve mainframe application issues across development, testing, and production environments.
Optimize JCL, COBOL programs, and DB2 queries to improve system performance and efficiency.
Support daily batch processing, ensure job success, and resolve job abends promptly.
Develop and maintain Unix/Linux Shell Scripts for automation, batch scheduling, and system integrations.
Ensure seamless integration between Unix-based automation and mainframe backend systems.
Troubleshoot and enhance existing scripts, improving stability and execution performance.
Develop and maintain PLSQL procedures, functions, packages, and triggers.
Perform SQL tuning and optimize database queries for performance.
Integrate shell scripts with relational databases: Oracle, DB2, MySQL, or similar.
Monitor scheduled jobs, resolve production incidents, and ensure overall batch stability.
Conduct root-cause analysis (RCA) and implement permanent fixes.
Enhance performance of scripts, jobs, and database queries through continuous tuning.
Work closely with stakeholders to gather requirements and translate them into scalable solutions.
Participate in Agile ceremonies and collaborate with QA, business, and support teams.
Create and maintain technical documentation including design specs, support guides, and system documentation.

Nice to Have:

Experience in banking, cards, or financial services domains.
Experience with ticketing tools and production support processes.
Familiarity with Git, CI/CD pipelines, or DevOps practices.
Knowledge of Python or Java for extended automation or backend integrations.
Additional mainframe skills such as COBOL, PLI, Assembler, CICS, IMS, and system administration on DB2/CICS/IMS.
REXX scripting for automation and migration tasks.
Strong troubleshooting skills for IBM mainframe product-related issues.

Cards Mainframe Developer

Key skills