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Freelance Mainframe Applications Developer Jobs in New York

Lead Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

They are seeking a Lead Mainframe Developer to oversee the implementation and management of large ... enhance applications. • Manage a global team of 12-14 professionals, providing leadership ...

Mainframe Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Key Responsibilities Work on mainframe applications using COBOL, JCL, CICS, and DB2. Analyze business requirements and translate them into MText layouts and logic. Debug and resolve production issues ...

Mainframe Developer

Jersey City, NJ · On-site

$50 - $55/hr

Work on mainframe applications using COBOL, JCL, CICS, and DB2. * Analyze business requirements and ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

Lead Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

... enhance applications. • Manage a global team of 12-14 professionals, providing leadership ... mainframe systems, enhancing functionality and efficiency. • Ensure compliance with industry ...

Mainframe Developer

Hoboken, NJ · On-site

$100K - $110K/yr

Develop, maintain, and optimize mainframe applications and systems * Write and debug code using mainframe languages such as COBOL, JCL, or PL/I * Analyze and resolve mainframe system issues, ensuring ...

Cobol Developer

Brooklyn, NY · On-site

$53.50 - $72.50/hr

Cobol Developer Brooklyn, NY 36 months Mandatory Qualifications: Minimum of five (5) years of ... Superior proficiency with mainframe applications built with JCL, COBOL, CICS and DB2. Ability to ...

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Freelance Mainframe Applications Developer information

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Senior Mainframe Developer C2C jobs New York City, NY/ Jersey City, NJ

Tech Mirrors

Manhattan, NY • On-site

$120 - $180/hr

Other

Posted 2 days ago

New


Job description

Job Title: Senior Mainframe Developer

Contract / Full Time

Location:New York City, NY/ Jersey City, NJ – 4 Days onsite role

Exp- 8-15 years max

Mandatory Skills:COBOL, JCL, DB2, VSAM and CICS Integration and should be hands on only.

Role Overview:We are seeking a Senior Mainframe Developer with strong expertise in COBOL, JCL, and Control-M/CCS (or similar scheduling systems) to support critical enterprise applications. The role involves code screening, analysis/scraping, enhancement, and development on legacy mainframe systems, along with participation in modernization and integration efforts.

This individual will play a key role in maintaining high-performance, stable mainframe applications while contributing to system improvements and integration initiatives.

Key Responsibilities
  • Perform code screening, analysis, and scraping of existing mainframe applications to identify dependencies, inefficiencies, and improvement opportunities
  • Design, develop, test, and maintain COBOL-based applications
  • Develop and manage JCL jobs, including batch processing and scheduling workflows
  • Work with CCS / Control-M / enterprise scheduling systems for job automation and monitoring
  • Analyze legacy code and contribute to modernization strategies
  • Collaborate with cross-functional teams to support integration with distributed systems or APIs
  • Troubleshoot production issues, identify root causes, and implement fixesEnsure adherence to coding standards, performance guidelines, and security practices
  • Document technical specifications, code changes, and system workflows
  • Support QA/UAT cycles and deployment activities
Required Skills & Qualifications
  • 8+ years of experience in Mainframe development
  • Strong hands-on experience with COBOL
  • Strong hands-on experience with JCL (Job Control Language)
  • Strong hands-on experience with Mainframe utilities (VSAM, DB2, CICS – as applicable)
  • Strong hands-on experience with CCS / Control-M / similar job scheduling tools
  • Strong hands-on experience with DB2, CICS transaction processing
  • Proven experience in code analysis, reverse engineering, and refactoring legacy systems
  • Strong debugging and problem-solving skills
  • Familiarity with batch processing and high-volume transaction systems
  • Ability to work independently and in a team-oriented environment
Nice-to-Have Skills
  • Basic understanding of system integration concepts (APIs, middleware, web services)
  • Exposure to mainframe modernization initiatives
  • Familiarity with distributed systems or cloud integration
  • Knowledge of DevOps practices for mainframe environments
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