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Freelance Mainframe Software Engineer Jobs Near Me

Mainframe Developer

Columbus, OH · On-site

$47.25 - $60.75/hr

Keylent provides Software Development Services in the Cloud, Analytics and Digital Transformation space. Founded in 2010, the company is headquartered in Wilmington, USA, with a team of 201-500 ...

Mainframe developer

Delaware, OH · On-site

$46.50 - $59.75/hr

CTS - JPMC Mainframe developer Delaware (onsite) - 5 days Looking for someone who can self-run ... of software applications and systems · Estimate and plan JIRA stories, document your tasks · ...

Mainframe Engineer

Dublin, OH · On-site

$50 - $60/hr

Our client is currently seeking a Mainframe Engineer THIS POSITION IS ONSITE 4 DAYS A WEEK. 100% REMOTE WILL NOT BE CONSIDERED. Key Responsibilities * Design, develop, test, and maintain mainframe ...

Mainframe Developer - Onsite

Columbus, OH · On-site

$47.25 - $60.75/hr

Mainframe Developer Work Location: Columbus, OH Duration: Longterm * 8 to 10 Yrs of experience in the Mainframe & Java Modernization space. * The Candidate has experience in understanding the ...

Mainframe Developer-----Need GC and USC

Columbus, OH · On-site

$47.25 - $60.75/hr

... Software and Product Development, IT Outsourcing and Technology assistance supplier headquartered ... Mainframe Developer Duration - 18 months Location - Columbus, OH Need GC and USC Top Three Skills:

Sogeti/ Safelite Auto Mainframe developer Columbus OH 3 days office 10 months $55/hr w2 without benefits 62/hr c2c (own corp) Monthly invoicing Net 45 payment each invoice core skills -strong skills ...

Mainframe Developer

Columbus, OH · On-site

$47.25 - $60.75/hr

Mainframe Developer Location: Columbus OH / Jersey City MF JD: Languages/Databases: COBOL, CICS/DB2, IMS, JCL, VSAM Tools: VSAM, Sync Sort, Change Man, Zeke, File Aid, SAR, NDM, SFTP, Xpeditor, MQ ...

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Mainframe Lead

Columbus, OH · On-site

$47.25 - $60.75/hr

8 to 10 Yrs of experience in the Mainframe & Java Modernisation space. The Candidate has experience in understanding the requirements for the Mainframe Modernization and Legacy Migration. The tech ...

Mainframe Developer at Columbus, OH

Columbus, OH · On-site

$47.25 - $60.75/hr

Mainframe Developer Location: Columbus, OH Madatory Skill: CICS, COBOL, JCL, VSAM, MQ JD: Languages/Databases: COBOL, CICS/DB2, IMS, JCL, VSAM Tools: VSAM, Sync Sort, Change Man, Zeke, File Aid, SAR ...

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Freelance Mainframe Software Engineer information

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How much do freelance mainframe software engineer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for freelance mainframe software engineer in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.
What cities are hiring for Freelance Mainframe Software Engineer jobs? Cities with the most Freelance Mainframe Software Engineer job openings:
What states have the most Freelance Mainframe Software Engineer jobs? States with the most job openings for Freelance Mainframe Software Engineer jobs include:
What are the most commonly searched types of Mainframe Software Engineer jobs? The most popular types of Mainframe Software Engineer jobs are:
A map of the United States highlighting the number of Freelance Mainframe Software Engineer job openings by state according to ZipRecruiter. The image is accompanied by a detailed chart listing the number of Freelance Mainframe Software Engineer job openings in each state, with California having the most at 2 and Alaska the least at 0.

Mainframe Developer (IBM Assembler is mandatory )

Inabia Software & Consulting Inc.

Columbus, OH • On-site

$47.25 - $60.75/hr

Contractor

This job post has expired today. Applications are no longer accepted.


Job description

Overview

Inabia is seeking an experienced Assembler and COBOL-CICS Developer with a strong background in IBM Mainframe technologies to join our team. In this role, you will collaborate with team members to design, develop, and optimize mainframe applications while ensuring seamless integration within existing infrastructure. You will play a key part in troubleshooting, performance tuning, and adhering to best practices in enterprise software development.

Responsibilities

  • Analyze and understand existing Assembler programs and system interfaces.
  • Design, develop, test, and deploy enhancements and bug fixes in IBM Assembler (HLASM).
  • Design, develop, test, and deploy enhancements and bug fixes in COBOL-CICS.
  • Perform code walkthroughs and support system and integration testing efforts.
  • Create and maintain technical documentation for application processes and workflows.
  • Assist in resolving production issues and providing ongoing application support.
  • Participate in performance tuning and code optimization initiatives.
  • Contribute to modernization efforts such as re-engineering or re-platforming mainframe workloads.

Key Qualifications

  • Must be available to be onsite 5-days per week in our Columbus, OH office
  • Strong programming skills in IBM Assembler (HLASM) — mandatory.
  • Strong programming skills in COBOL-CICS — mandatory.
  • Hands-on experience with JCL, VSAM, and DB2.
  • Working knowledge of Changeman or similar change management tools.
  • Familiarity with Mainframe Utilities such as SORT and IDCAMS.
  • Ability to interpret functional requirements and translate them into technical solutions.

Preferred Qualifications

  • Exposure to mainframe modernization projects, including re-engineering or re-platforming workloads.
  • Experience with performance tuning and optimization of mainframe applications.

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