Cards Mainframe Developer (contract)

Capgemini

📍 Toronto, ON, Canada

Full-time Other-General Posted February 28, 2026

Job Description

We are seeking an experienced Mainframe Developer with 6–8 years of hands-on expertise in mainframe technologies and solid knowledge of card issuing domain processes. The ideal candidate will be proficient in COBOL, JCL, VSAM, DB2, and Unix scripting, with a strong understanding of Agile practices and full SDLC execution.

Responsibilities

  • Design, develop, enhance, and maintain mainframe applications using COBOL, JCL, VSAM, and DB2.
  • Diagnose, troubleshoot, and resolve technical issues in mainframe systems.
  • Optimize mainframe applications for performance, stability, and efficiency.
  • Support testing cycles, including defect triage and resolution.
  • Participate in release management and deployment activities.

Technical Leadership & Quality Assurance

  • Provide technical solutions and contribute to architectural decisions.
  • Conduct thorough code reviews, enforce coding standards, and ens...