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Mainframe Cobol Developer (Buenos Aires)

Company: Tata Consultancy Services

Location: buenos aires, London

Posted: June 11, 2026

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Position Details

Tata Consultancy Services (TCS) is seeking a Mainframe / COBOL Developer to design, develop, and maintain reliable and high-performance mainframe applications, ensuring stability and efficiency across critical systems. If you are passionate about mainframe technologies, legacy system optimization, and building robust enterprise applications using COBOL, this role is for you. At TCS, we foster a culture of collaboration, innovation, and continuous improvement, offering long-term growth opportunities in a general technology environment.

Key Responsibilities

  • Design, code, test, and debug mainframe applications using COBOL, CICS, and JCL.
  • Maintain and enhance existing mainframe systems and applications.
  • Troubleshoot production issues and perform performance tuning and optimization.
  • Collaborate with system analysts, project managers, and cross-functional teams to gather requirements.
  • Develop and execute unit, system, integration...