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Freelance Mainframe Applications Developer Jobs in Ohio

Mainframe DB2 Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

Mainframe DB2 Developer Location: Columbus, OH (100% Onsite from Day 1) Experience: 10+ Years Roles ... Design, develop, enhance, and maintain mainframe applications using COBOL, JCL, and DB2. * Perform ...

Mainframe Developer

Cincinnati, OH · On-site

$47 - $60.50/hr

Role: Sr. Mainframe Developer with strong Assembler exp. Location: Cincinnati, OH Duration ... Experience with modernizing legacy mainframe applications is a plus * Demonstrating functional ...

Mainframe DB2

Columbus, OH · On-site

$45.75 - $58.75/hr

Testing Debugging Perform unit testing| debugging| and troubleshooting for software applications.Collaboration Work with business analysts| system engineers| and other developers to align mainframe ...

Mainframe Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

Mainframe Developer Location: Columbus, OH Work Schedule: 3 days office Duration: 10 months Rate: NA-70/hr Core Skills: * Strong skills in COBOL, JCL, and VSAM, with REXX as a plus. * The role ...

New

Mainframe Engineer

Dublin, OH · On-site

$50 - $60/hr

Design, develop, test, and maintain mainframe applications using COBOL, CICS, DB2, and JCL ... Strong proficiency in: * COBOL programming * CICS online transaction processing * DB2 (SQL ...

Mainframe QA

Cincinnati, OH · On-site

$47 - $60.50/hr

Experience in end-to-end testing of mainframe applications * Strong SQL skills for backend data validation * Familiarity with defect tracking and test management tools * Solid understanding of SDLC ...

$43 - $50/hr

Title: Mainframe Application Developer Duration: 3 Months Short Term Contract with Strong ... Designs, develops, tests, and implements mainframe applications aligned with business and ...

Mainframe Developer

Cleveland, OH · On-site

$110K - $115K/yr

Mainframe Developer Role: Mainframe Developer Location: Cleveland, USA Full Time Skill: COBOL Visa ... complex applications and data relationships Excellent interpersonal and communication skills ...

Mainframe Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

Design, develop, and maintain applications using COBOL, JCL, DB2, and CICS on IBM Mainframe systems ... Strong programming skills in COBOL, JCL, DB2, and CICS . * Experience in System z platform and CICS ...

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Freelance Mainframe Applications Developer information

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Mainframe DB2 Developer

Prophecy Technologies

Columbus, OH • On-site

$45.75 - $58.75/hr

Other

Posted 20 days ago


Job description

Role Name: Mainframe DB2 Developer
Location: Columbus, OH (100% Onsite from Day 1)
Experience: 10+ Years
Roles & Responsibilities:
  • Design, develop, enhance, and maintain mainframe applications using COBOL, JCL, and DB2.
  • Perform DB2 application development including SQL coding, stored procedures, and database interactions.
  • Optimize, tune, and debug complex mainframe applications for performance and reliability.
  • Analyze business and technical requirements and translate them into scalable mainframe solutions.
  • Support production cycles, resolve incidents, perform impact analysis, and root cause analysis.
  • Work closely with system analysts, QA teams, and stakeholders for end-to-end delivery.
  • Develop batch and online programs using Enterprise COBOL on System Z.
  • Create and maintain JCL scripts to manage batch processes.
  • Participate in code reviews, testing cycles, and deployment activities.
  • Ensure compliance with coding standards, security requirements, and documentation best practices.
Competencies:
  • Strong analytical and problem-solving skills
  • Deep expertise in mainframe DB2 application development
  • Ability to troubleshoot complex mainframe issues quickly
  • Strong understanding of mainframe architecture and job processing
  • Excellent communication and teamwork skills
  • Ability to work onsite in a fast-paced environment
Required Technical Skills:
  • Mainframe DB2 - Application Development
  • System Z - Enterprise COBOL
  • System Z - JCL
  • Strong SQL, stored procedures, and performance tuning
  • Debugging tools and mainframe utilities (File-Aid, Abend-Aid, etc.)
  • Experience with batch and online processing
Must-Have Qualifications:
  • 10+ years of hands-on experience in mainframe development
  • Strong expertise in COBOL, JCL, and DB2
  • Proven experience in System Z - Enterprise COBOL
  • Ability to work 100% onsite from Day 1 in Columbus, OH
  • Experience supporting large-scale mainframe applications