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Top Mainframe Freelancing Services

  • View Service Offered By alexpetr


    Yerevan, Yerevan, Armenia

    • mainframe
    • Cisco
    • Industrial

    Network Administration

    I am in networking business since 1992 (mainly dealing with industrial mainframes and SCADA systems). Since 1999 was managing PC networks. Microsoft and Cisco certified since 2003.

  • View Service Offered By Mark-Systems


    New York, Kuala Lumpur, Dublin, Ireland

    • mainframe
    • Access
    • Apache

    Telephony Applications

    Services for call/support centres. New solutions of flow of data from Cisco telephony, trough mainframe processing to Oracle based Data Mart for Group Customer Centre with IVR (Interactive Voice Respo...

  • View Service Offered By Devadoss Alan

    Devadoss Alan

    Chennai, Tamil Nadu, India

    • mainframe
    • Administrative Assistant
    • Database Administration

    Mainframe Database Administrator

    I am an expert in Database administration on IBM Mainframe. I can provide offline support when required.

  • View Service Offered By Nethaji R

    Nethaji R

    Coimbatore, Tamil Nadu, India

    • mainframe
    • Data Entry
    • Java

    Mainframe, Data Entry, Java

    Data entry works, typing works, Mainframe projects, Java projects, website creation, all write up works

  • View Service Offered By Ashokraj thangaraj

    Ashokraj thangaraj

    San Diego, California, United States

    • mainframe
    • CICS
    • Cobol

    Mainframe professional

    8 yrs for mainframe expertise. Cobol,cics,db2,vsam,jcl are some of skills that is used in mainframe MVS environment. Automobile.Banking,Retail,Insurance,Telecom are some of industries worked upon

  • View Service Offered By Giridharan Anandaraj

    Giridharan Anandaraj

    Chennai, Tamil Nadu, India

    • mainframe
    • Analytics
    • Cobol

    Experienced Mainframe developer

    I have 7+ years of experience in mainframe development and support analyst role. Skilled in COBOL, JCL, IDMS and IMS.

  • View Service Offered By Santhosh Veerlapati

    Santhosh Veerlapati

    Hyderabad, Andhra Pradesh, India

    • mainframe
    • Cobol
    • Datastage


    Ready to work actively for 2 to 3 hours daily on the requirement that suits my profile Mainframe Developer.

  • View Service Offered By Rajkumar V 2

    Rajkumar V 2

    COIMBATORE, Tamil Nadu, India

    • mainframe
    • Quality Assurance (QA) & Testing

    Mainframe testing

    I am working as a mainframe testing engineer. Test case preparation, test data creation, test execution and table validation.. These are all my roles and responsibilities.

  • View Service Offered By Vinitha Manivannan

    Vinitha Manivannan

    Erode, Tamil Nadu, India

    • mainframe
    • Bug Fixes
    • Excel

    Excel work, Mainframe development, debug

    I have an experience in excel sheet and I have 4 years experience in mainframe development. I am interested in debugging

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Why Hire a Freelance Mainframe Developer?

Mainframe computers are basically the systems used by medium & large organizations. Organizations use these computers for high-performance tasks, bulk data processing, generating reports, enterprise resource planning, and transaction processing. There are multiple reasons and advantages to use mainframes instead of basic computers. With this arises the need to hire Mainframe Developers.

Why Mainframes?

  • Mainframes have the ability to run multiple operating systems and virtual machines simultaneously. It works like a redundant system which helps in improving security and reliability. 

  • Mainframes development comes with strict backwards compatibility standards. This enables Developers to work with older software. This mitigates the need for companies to worry about moving to new programs anytime an old mainframe gets obsolete. 

A well-maintained mainframe machine can run without any interruption for decades. However, handling mainframes is not an easy task. Thus, it is always better to have a freelance Mainframe Developer by your side.

What Is Mainframe Developer and What Is Their Job?

You must be wondering why there's a need to hire a professional when Mainframe is self-sufficient to handle the task of 20 computers on its own. To understand this, you need to know that the mainframe development environment mainly supports distribution and delivery of applications. Navigating and using the mainframe environment requires extensive knowledge and expertise. To achieve bulk data processing without the glitches and errors, Mainframe Developers do the following things:

  • They write programs in various computer languages.

  • They constantly update the existing programs.

  • They test and debug the programs to ensure that they don't pass on any faulty to the machine.

  • They create and test programs in an integrated development environment (IDE).

  • They know the common mainframe languages. This helps the Developers to communicate with systems in the mainframe development environment.

Skills and Qualifications of Mainframe Developers

When it comes to hiring the best talent, you can always go for top freelancing sites like Guru. When you hire Mainframe Developers from Guru, you can expect them to have the following qualifications:

  • A Bachelor's or a Master's degree in Computer Science or a related subject.

  • The Developers have knowledge of software development and the full Software Development Life Cycle.

  • They have expert skills of using the Mainframe Model. This helps them to create, develop, test, troubleshoot and repair applications if and when needed.

  • They hold analytical skills that enable them to identify bugs, errors and other technical problems.

  • The Developers have troubleshooting skills for checking errors in codes and fixing them.

Benefits of Hiring a Freelance Mainframe Developer

Mainframe Developers play a crucial role in developing mainframe applications. When you hire skilled freelancers from Guru, you get to enjoy the following benefits: 

  • The expert freelancers have a great understanding of the mainframes languages. This reduces hardware troubleshooting & maintenance cost on a great scale.

  • The reduction in hardware also reduces software costs significantly. When an expert developer handles such a system, they can even reduce it to nearly half the cost. Additionally, these Developers also simplify IT-Management.

  • Security is paramount when it comes to Mainframe systems. An expert Developer takes care of the security & data of a mainframe systems network.

Guru Tip:

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