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November 4, 2026

Senior COBOL Developer

Senior • Remote

160 - 180 PLN/yr

Warsaw, Maz, Poland

Quick Facts

  • Role: Senior COBOL Developer (COBOL / Mainframe)
  • Location: Fully remote (European Union)

Description

Join an international team supporting digital solutions in a global custodian banking environment. You will work across the full software development lifecycle—from analysis and development to testing, deployment, and ongoing support—to help evolve and stabilize business-critical mainframe applications. You will also troubleshoot production and application issues and contribute to modernization initiatives.

Responsibilities

  • Design, develop, maintain, and enhance mainframe applications
  • Participate in the full SDLC, including analysis, development, testing, deployment, and support
  • Collaborate with developers, analysts, and business users
  • Troubleshoot and resolve production and application issues
  • Ensure high quality and stability of delivered solutions
  • Contribute to modernization and continuous improvement initiatives

Requirements

  • Strong hands-on experience with COBOL, DB2, IMS, JCL, and OPC/scheduling tools
  • Experience working in enterprise-scale environments
  • Good understanding of SDLC and production support processes
  • Strong analytical and problem-solving skills
  • Good communication and collaboration skills
  • Fluency in English
  • Ability to work fully remotely from within the European Union

Benefits

  • Competitive B2B rate aligned with experience and the project
  • Long-term projects for leading international organizations
  • Continuous growth through internal DevTalks and online/onsite events
  • Collaborative, international team environment
  • Optional Medicover, Multisport and Mindgram packages at preferential rates
  • Free access to the gym at the Q22 office
  • Referral program: bonus for successful recommendations

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