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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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