Cognizant

Senior Mainframe Developer (Remote in US)

Cognizant
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12 days ago
Hartford, CT, USASenior

Base Salary

$65k - $117k/yr

Responsibilities

  • Design, develop, test, debug, and maintain healthcare claims applications using COBOL, JCL, DB2, VSAM, CICS, and MQ.
  • Translate business requirements into scalable, efficient, and compliant mainframe solutions supporting claims adjudication workflows.
  • Troubleshoot production issues, optimize application performance, conduct code reviews, and implement sustainable fixes.
  • Support system integration testing, user acceptance testing, code migration, production deployment, post-implementation validation, and backout activities.
  • Provide technical leadership to offshore team members and coordinate onsite and offshore delivery.
  • Collaborate with business analysts, quality assurance professionals, project managers, support teams, and engineering teams.

Requirements

  • 8+ years of hands-on experience developing mainframe applications with COBOL, JCL, DB2, VSAM, CICS, and MQ.
  • Experience with healthcare claims adjudication processes and related business workflows.
  • Knowledge of code migration and release management, including package creation, environment promotion, deployment validation, and backout procedures.
  • Strong analytical, troubleshooting, and problem-solving skills for complex application and production issues.
  • Strong communication and collaboration skills and the ability to work independently in an onsite and offshore delivery environment.
  • Experience mentoring distributed engineering teams, conducting code reviews, improving mainframe application performance, and supporting testing and production activities is helpful.

Benefits

  • Remote position open to qualified applicants in the United States.
  • Medical, dental, vision, and life insurance.
  • Paid holidays and paid time off.
  • 401(k) plan and contributions.
  • Long-term and short-term disability coverage.
  • Paid parental leave.
  • Employee Stock Purchase Plan.
  • Applications will be received by September 14th, 2026.

Tech Stack

COBOLIBM DB2

Categories

Cognizant

About Cognizant

10,000+ employees

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value. We build full-stack AI solutions powered by deep industry, process and engineering expertise — embedding an organization's unique context into technology systems that amplify human potential and drive tangible outcomes. From strategy to deployment, we help global enterprises move from AI ambition to AI impact and stay ahead in a fast-changing world. See how at cognizant.ai | Follow us @cognizant

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