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Freelance Mainframe Applications Developer Jobs in Florida

Design, develop, test, and maintain mainframe applications using COBOL, CICS, DB2, and JCL ... Experience with DevOps tools and CI/CD pipelines for mainframe * Exposure to tools like z/OS ...

Lead the design, development, and modernization of mainframe applications, enforcing best practices ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Lead the design, development, and modernization of mainframe applications, enforcing best practices ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Mainframe Developer

Tampa, FL · On-site

$40 - $42/hr

Please share Mainframe Developer profiles matching the below JD for Tampa, FL (Onsite) . JD: COBOL ... Develop, maintain, and enhance COBOL/CICS/DB2/VSAM/MQ applications. * Troubleshoot and debug ...

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

... Mainframe Developer ... The role involves developing and maintaining applications, managing job scheduling, and ensuring ...

Senior TIBCO Mainframe & Power BI Developer Location: Tallahassee, FL Employment Type: Contract ... Work with mainframe applications and databases to extract, transform, and integrate data. * Develop ...

Mainframe COBOL Software Engineer

Coral Springs, FL · On-site

$46.75 - $60/hr

The applications you support will send captured authorizations to settlement processing for our ... LLM developer tools incorporating AI into daily development activities. * Ability to work some ...

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Senior Mainframe Developer

Hirekeyz Inc

Tampa, FL • On-site

Contractor

Re-posted 2 days ago


Job description

Job Title: Senior Mainframe Developer

Location : Tampa, FL (5 Days Onsite)

Job Type: W-2/Full Time

Exp-10 Years

Role Overview

We are seeking a highly experienced Mainframe Developer with deep expertise in COBOL, CICS, DB2, and JCL to support and enhance mission-critical applications. The candidate will play a key role in development, maintenance, production support, and modernization initiatives in a high-volume enterprise environment.

Key Responsibilities

  • Design, develop, test, and maintain mainframe applications using COBOL, CICS, DB2, and JCL
  • Analyze business requirements and translate them into technical specifications
  • Perform impact analysis and support system enhancements and upgrades
  • Develop and optimize DB2 SQL queries, stored procedures, and performance tuning
  • Handle production support, incident resolution, and root cause analysis
  • Work on batch and online (CICS) processing systems
  • Prepare functional and technical design documents
  • Collaborate with cross-functional teams including QA, business analysts, and infrastructure teams
  • Participate in code reviews, testing (unit, integration, UAT), and deployment activities
  • Ensure adherence to coding standards, security policies, and SLA commitments

Required Technical Skills

  • Strong hands-on experience in:
    • COBOL (Structured & Object-Oriented)
    • CICS (Customer Information Control System)
    • DB2 (SQL, Stored Procedures, Performance Tuning)
    • JCL (Job Control Language)
  • Experience with:
    • VSAM, IMS (optional but preferred)
    • Mainframe utilities (SORT, IDCAMS, IEBGENER)
    • Debugging tools like Expeditor, Abend-AID
  • Knowledge of:
    • Batch processing and scheduling tools (e.g., Control-M, CA-7)
    • Version control tools (Endevor, Changeman)
  • Familiarity with mainframe modernization or API integration is a plus

Soft Skills

  • Strong analytical and problem-solving skills
  • Excellent communication and stakeholder management
  • Ability to work in a fast-paced production support environment
  • Team player with mentoring capabilities

Preferred Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, or related field
  • Experience in banking, financial services, or insurance domains
  • Exposure to Agile/Scrum methodologies
  • Experience in modernization initiatives (Mainframe to distributed/cloud)

Nice to Have

  • Knowledge of REST APIs, Microservices integration with mainframe
  • Experience with DevOps tools and CI/CD pipelines for mainframe
  • Exposure to tools like z/OS Connect, IBM MQ