Mainframe Developer

ITFS

Warsaw, Poland • 22m ago • Remote

Mid

Remote

228,800 - 270,400 PLN/yr

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Quick Facts

  • 100% remote
  • Start: ASAP
  • Contract: B2B via ITFS
  • Rate: 110–130 PLN/hour + VAT

Description

Work on critical business systems built on IBM Mainframe technologies. You will develop and maintain advanced applications, analyze business requirements, optimize for performance/reliability/security, and handle production issues while taking part in a rotating on-call duty.

Responsibilities

  • Develop and maintain critical IBM Mainframe-based business systems
  • Design, build, and extend advanced applications supporting daily operations
  • Analyze business requirements and independently implement solutions
  • Optimize applications for performance, reliability, and security
  • Troubleshoot production problems
  • Participate in rotating on-call (a few days per month)

Requirements

  • Minimum 2 years of experience creating and maintaining IBM Mainframe applications
  • Very good knowledge of COBOL, JCL, CICS, and z/OS
  • Practical experience with DB2 including SQL query writing, optimization, and data analysis
  • Ability to analyze business requirements and design solutions
  • Experience diagnosing production failures and optimizing applications
  • Proactive and responsible attitude, with ability to work independently
  • Experience working in an international project environment
  • English level at least B2
  • Willingness to take part in on-call duties

Benefits

  • Medical and sports package
  • Free accounting support (up to 3 entries per month)
  • Work on an interesting, growth-oriented project
  • Clear collaboration terms with a stable market-position organization

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PLN 228,800 – PLN 270,400/year

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