.
Mainframe (z/OS, Assembler) Developer
  • Łódź
Mainframe (z/OS, Assembler) Developer
Łódź, Łódź, Łódź Voivodeship, Polska
TRANSITION TECHNOLOGIES PSC S.A
26. 5. 2025
Informacje o stanowisku

technologies-expected :


  • Assembler
  • Mainframe environment
  • IBM z/OS Processing Environment
  • z/OS
  • IBM RMF
  • OMEGAMON

technologies-optional :


  • zLinux
  • Unix System Services

responsibilities :


  • Design, write, test, and optimize Assembler code for mainframe systems.
  • Maintain and enhance legacy Assembler applications to meet business needs.
  • Collaborate with teams to integrate Assembler components with COBOL/Java applications.
  • Optimize system performance using tools like IBM RMF and OMEGAMON.
  • Troubleshoot and resolve complex system issues using advanced debugging tools.
  • Mentor junior developers and lead knowledge-sharing sessions.
  • Contribute to system modernization strategies and decisions.

requirements-expected :


  • Expertise in Assembler (HLASM) programming and mainframe systems (IBM z/OS, MVS, CICS, DB2)
  • Experience with performance tools (IBM Debug Tool, Abend-AID, OMEGAMON)
  • Strong knowledge of memory management and system programming
  • Experience integrating Assembler with COBOL, PL/I, or Java
  • Ability to troubleshoot and resolve production issues
  • 7+ years of experience in Assembler development, with at least 5 years in mainframe systems
  • IBM Certified System Programmer and z/OS Mastery Certifications are a plus
  • Very good command of English

offered :


  • Flexible forms of employment and working hours (CoE or B2B)
  • An interesting, challenging job in the dynamically developing Capital Group company;
  • Work on innovative projects using modern technologies;
  • Direct impact on shaping the image of the Capital Groups companies on the market;
  • Possibility to develop competences in a wide range;
  • Attractive salary;
  • Stability of employment and a friendly work atmosphere;
  • Cool benefits, among others integration meetings, internal company competitions, fruit Tuesdays, sweet Thursdays and much more;

benefits :


  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • remote work opportunities
  • flexible working time
  • fruits
  • integration events
  • no dress code
  • video games at work
  • coffee / tea
  • leisure zone
  • holiday funds
  • baby layette
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • employee referral program
  • charity initiatives
  • family picnics

  • Praca Łódź
  • Łódź - Oferty pracy w okolicznych lokalizacjach


    84 380
    8 889