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Senior Mainframe Developer (Healthcare Claims Adjudication)

Cognizant
Hartford, CT Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/7/2026
We are seeking a highly skilled Senior Mainframe Developer to join our innovative IT team. In this pivotal role, you will leverage your extensive experience with mainframe systems to design, develop, and optimize complex applications crucial to our business operations. You will have the opportunity to work on critical systems that support our enterprise applications while collaborating with cross-functional teams to deliver high-quality software solutions. The ideal candidate will possess a deep understanding of mainframe technologies and their integration with modern development methodologies. This role requires a proactive approach in identifying opportunities to enhance system performance, enhance existing processes, and build robust, scalable applications that can withstand the demands of our growing organization.

In This Role, You Will

  • 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.
  • Liaise with project managers and business analysts to gather requirements and provide technical solutions.
  • Conduct code reviews to ensure adherence to best practices and quality standards.
  • Optimize existing mainframe applications for performance and scalability.

Work model

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in United States. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.

What You Need To Have To Be Considered

  • 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.
  • Excellent problem-solving abilities with a detail-oriented mindset.
  • Experience with Agile methodologies and software development life cycles.

Salary And Other Compensation

The annual salary for this position is between $ 65447 to $ 117000 depending on experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements :

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Salary : $65,447 - $117,000

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