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Freelance Remote Mainframe Developer Jobs (NOW HIRING)

Mainframe Engineer - Remote

$50.25 - $64.50/hr

Mainframe Engineer Location: Remote Required Skills: Primary Skill - Secondary Skill IBM/Sterling File Gateway โ€ข Strong knowledge of file transmission protocols, especially Connect:Direct (NDM ...

COBOL Developer

$51.50 - $69.50/hr

Texas Remote Contract: Longterm Note: Looking for W2 candidates only. Position Requirements TDCJ is seeking an experienced COBOL Mainframe Developer with Micro Focus Enterprise experience for their ...

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Freelance Remote Mainframe Developer information

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$10

$53

$72

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

As of Jun 24, 2026, the average hourly pay for freelance remote mainframe developer 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 is the difference between Freelance Remote Mainframe Developer vs Freelance Remote COBOL Programmer?

AspectFreelance Remote Mainframe DeveloperFreelance Remote COBOL Programmer
CredentialsMainframe certifications, programming skillsCOBOL certifications, programming skills
Work EnvironmentMainframe systems, remote setupLegacy systems, remote setup
Industry UsageBanking, finance, insuranceBanking, government, insurance
Search IntentJobs involving mainframe developmentJobs focusing on COBOL programming

Both roles involve working with legacy mainframe systems remotely, often requiring similar certifications and industry experience. The main difference is that a Freelance Remote Mainframe Developer may handle broader development tasks, while a Freelance Remote COBOL Programmer specializes specifically in COBOL coding within mainframe environments.

What are the key skills and qualifications needed to thrive as a Freelance Remote Mainframe Developer, and why are they important?

A Freelance Remote Mainframe Developer typically needs expertise in mainframe programming languages (such as COBOL, JCL, and PL/I), database management, and systems analysis, often supported by a degree in computer science or related experience. Familiarity with mainframe environments like IBM z/OS, version control systems, and remote collaboration tools is common, along with relevant certifications such as IBM Certified System Programmer. Strong problem-solving skills, self-motivation, and effective communication are crucial soft skills for managing independent projects and client interactions remotely. These qualifications enable developers to deliver reliable, efficient solutions while meeting client expectations and maintaining legacy systems from a remote setting.

What is a Freelance Remote Mainframe Developer?

A Freelance Remote Mainframe Developer is a technology professional who specializes in developing, maintaining, and troubleshooting software applications on mainframe computer systems. Working on a freelance basis, they are not tied to a single employer and typically work with multiple clients, often from a remote location. Their responsibilities include coding, debugging, and upgrading legacy mainframe applications, ensuring system security and performance, and integrating mainframe systems with modern technologies. This role requires expertise in mainframe languages such as COBOL, JCL, and experience with databases like DB2. Remote work adds flexibility, allowing developers to collaborate with clients globally using digital communication tools.

How do Freelance Remote Mainframe Developers typically collaborate with on-site teams and stakeholders?

Freelance Remote Mainframe Developers usually work closely with on-site teams via digital communication tools such as video conferencing, project management platforms, and version control systems. Regular virtual meetings and clear documentation help ensure alignment on project requirements and timelines. It is common to coordinate with business analysts, QA testers, and other developers across different time zones, so strong communication skills and proactive status updates are essential for successful collaboration.
What cities are hiring for Freelance Remote Mainframe Developer jobs? Cities with the most Freelance Remote Mainframe Developer job openings:
What are the most commonly searched types of Remote Mainframe Developer jobs? The most popular types of Remote Mainframe Developer jobs are:
What states have the most Freelance Remote Mainframe Developer jobs? States with the most job openings for Freelance Remote Mainframe Developer jobs include:

z/OS COMMUNICATIONS SYSTEMS PROGRAMMER - TCP/IP

DSNSearch

Scottsdale, AZ โ€ข Remote

Full-time

Posted 16 days ago


Job description

ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  MAINFRAME NETWORK SYSTEMS PROGRAMMER
ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย REMOTEย  !!ย  ย  REMOTE !!
ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย MAINFRAME ** TCP-IP ** VTAM ** Z/OSย  **
ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  PARALLEL SYSPLEX ** CONNECT DIRECT
  • 10+ YEARS EXPERTISE ASย MAINFRAME NETWORK SYSTEMS ENGINEER
  • PROVEN EXPERIENCE INย NETWORK MAINFRAME WITH VTAM,ย  TCP-IP IN Z/OSย ย ENVIRONMENTSย 
  • LPAR COMMUNICATION
  • ROUTING PROTOCOLS, FIREWALL
ย  ~Client is unable to consider H1B Visa Sponsorship at this time~
At DSN, we bring over 25 years of experience and expertise in the information systems industry. We are committed to securing rewarding careers for our qualified candidates, while providing our clients with the best talent available. Our searches are selective, confidential and informed by a comprehensive knowledge of today's IT marketplace.