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Mainframe developer

Job in Wilmington, New Castle County, Delaware, 19894, USA
Listing for: Compunnel, Inc.
Full Time position
Listed on 2026-02-06
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below

The Mainframe Developer is responsible for designing, developing, and maintaining enterprise-level applications using COBOL and related technologies.

This role involves working with legacy systems and modernizing components to ensure performance, reliability, and scalability.

The developer will collaborate with cross-functional teams to support business-critical applications and ensure seamless integration with other systems.

Key Responsibilities:

  • Develop and maintain applications using COBOL, CICS, DB2, VSAM, and MQ.
  • Analyze and debug complex programs using tools such as Expeditor.
  • Work with IMS DB and ensure efficient data handling and storage.
  • Utilize File Aid, Stored Procedures, Endevor, CA-7, NDM, MFTS, and s-FTP for development and deployment processes.
  • Support XML-based data exchange and scripting using CLIST and REXX.
  • Collaborate with stakeholders to gather requirements and deliver high-quality solutions.
  • Ensure code quality, performance optimization, and adherence to best practices.
Required Qualifications:
  • Minimum 10 years of experience in Mainframe Application/COBOL development.
  • At least 7 years of experience in CICS, DB2, VSAM, and MQ application development.
  • Proficiency in debugging tools such as Expeditor.
  • Strong understanding of mainframe utilities and tools including File Aid, Stored Procedures, Endevor, CA-7, NDM, MFTS, and s-FTP.
  • Familiarity with XML, CLIST, and REXX scripting.
Preferred Qualifications:
  • Experience with IMS DB.
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