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Cognizant Technology Solutions Logo

Senior Mainframe Developer - Hybrid

Cognizant Technology Solutions

$66,896 - $132,500
Oct 24, 2025
Hartford, CT, US
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Design, develop, and optimize complex applications crucial to business operations, working on critical systems that support enterprise applications and collaborating with cross-functional teams to deliver high-quality software solutions.

Requirements

  • Minimum of 8+ years of experience in mainframe development, Mainframe COBOL, JCL, DB2, VSAM and CICS.
  • Proficiency in working with IBM mainframe tools for development, debugging, and system management, such as z/OS, ISPF, TSO, File-aid and SCM is required.
  • Experience in healthcare claims and their associated systems is crucial for understanding the complex claims processing workflow.
  • Experience with Agile methodologies and software development life cycles.

Responsibilities

  • Analyze user and business requirements for Claims domain and translate them into technical specifications and design documents that support our claims processing workflows, ensuring high-performance, accuracy, and regulatory compliance.
  • Design, develop, test, and debug mainframe applications, often involving COBOL, JCL, DB2, VSAM and CICS.
  • Mentor and guide junior developers in coding practices and systems design.
  • Conduct code reviews to ensure adherence to best practices and quality standards.
  • Optimize existing mainframe applications for performance and scalability.

Other

  • Hybrid position requiring 3 days a week in a client or Cognizant office in Hartford, CT.
  • Excellent problem-solving abilities with a detail-oriented mindset.