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Freelance Mainframe Applications Developer Jobs in Skillman, NJ

Neotecra

Mainframe Application Developer

New York, NY · On-site

Position Summary The Programmer for Mainframe Systems will support, enhance, and maintain mission‑critical applications that underpin the MNR Crew Management System (CMS). This role focuses on ...

Navtech, Inc.

Mainframe / COBOL Developer

New York, NY · On-site

$53.50 - $69/hr

Minimum of five (7) years of recent experience developing applications using Cobol for CICS and ... Strong experience developing in Mainframe environment resolving complex and conflicting design ...

DEW Softech Inc

Sr Cobol Developer

Trenton, NJ · On-site

$50 - $65/hr

Senior Mainframe Developer / COBOL Senior Consultant Location: Trenton, NJ (Onsite) Duration ... Perform ongoing maintenance and enhancements to batch and online mainframe applications

Dew Softech Inc

Mainframe Analyst

Trenton, NJ · On-site

... mainframe applications while extracting and documenting business rules. What You ll Do * Analyze ... Experience with MQ or APPC/LU 6.2 programming in COBOL-CICS * Strong analytical skills with the ...

Accenture

Mainframe Specialist

New York, NY

$70K - $196K/yr

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 ...

CAI

Mainframe Analyst

Trenton, NJ

... mainframe applications while extracting and documenting business rules. This position will be ... Experience with MQ or APPC/LU 6.2 programming in COBOL-CICS * Strong analytical skills with the ...

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Freelance Mainframe Applications Developer information

See Skillman, NJ salary details

$10

$50

$68

How much do freelance mainframe applications developer jobs pay per hour?

As of Jul 30, 2026, the average hourly pay for freelance mainframe applications developer in Skillman, NJ is $50.71, according to ZipRecruiter salary data. Most workers in this role earn between $45.10 and $59.04 per hour, depending on experience, location, and employer.
What cities near Skillman, NJ are hiring for Freelance Mainframe Applications Developer jobs? Cities near Skillman, NJ with the most Freelance Mainframe Applications Developer job openings:
Freelance Mainframe Applications Developer jobs near you
Infographic showing various Freelance Mainframe Applications Developer job openings in Skillman, NJ as of July 2026, with employment types broken down into 32% Full Time, 17% Temporary, and 51% Contract. Highlights an 80% In-person, and 20% Hybrid job distribution, with an average salary of $105,473 per year, or $50.7 per hour.

Mainframe Developer AI/GenAI Exp

Envision Technology Solutions

Berkeley Heights, NJ • On-site

$51.25 - $65.75/hr

Other

Posted 21 days ago

Job description

Job Title: Mainframe Developer AI/GenAI Exp

Location: Berkeley Heights, NJ-Onsite

Job Type: Long term Contract

Roles and Responsibilities

  • Design, develop, maintain, and support IBM Mainframe applications using COBOL, JCL, CICS, DB2, VSAM, and related technologies.

  • Analyze existing mainframe applications and identify modernization opportunities using AI/GenAI solutions.

  • Develop AI-powered tools and automation solutions for code analysis, documentation generation, testing, and application modernization.

  • Integrate mainframe systems with cloud platforms, APIs, and AI/ML services.

  • Collaborate with business stakeholders, architects, and development teams to define technical solutions and modernization strategies.

  • Perform impact analysis, code reviews, debugging, and performance tuning of mainframe applications.

  • Develop and maintain technical documentation, process flows, and system specifications.

  • Support application migration, refactoring, and transformation initiatives.

  • Implement security, compliance, and governance standards across mainframe and AI solutions.

  • Participate in Agile development processes, sprint planning, and technical design discussions.

  • Evaluate emerging AI/GenAI technologies and recommend innovative use cases for mainframe environments.

Required Skills:-

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

  • 10+ years of hands-on experience in IBM Mainframe development.

  • Strong experience with COBOL, JCL, CICS, DB2, VSAM, IMS, and TSO/ISPF.

  • Experience with software development lifecycle (SDLC) and Agile methodologies.

  • Knowledge of REST APIs, microservices, and system integration concepts.

  • Understanding of AI/ML fundamentals and Generative AI technologies.

  • Experience working with Large Language Models (LLMs) and AI-assisted development tools.

  • Strong analytical, problem-solving, and communication skills.

Preferred Skills:-

  • Experience with IBM Watsonx, OpenAI, Azure OpenAI, or similar AI platforms.

  • Exposure to mainframe modernization programs and cloud migration initiatives.

  • Experience with Python, Java, or other modern programming languages.

  • Familiarity with DevOps, CI/CD pipelines, Git, Jenkins, and automation tools.

  • Knowledge of prompt engineering, retrieval-augmented generation (RAG), and AI governance.

  • Experience integrating AI solutions with enterprise applications and legacy systems.

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