The developer will assist in developing, testing, and maintaining Assembler and COBOL code within mainframe environments. They will also participate in system modernization initiatives and collaborate with cross-functional teams on system integration tasks.
Description & Requirements
Who we are looking for
We are looking for an Mainframe Developer to support our clients in system development, maintenance, and modernization initiatives. The ideal candidate will possess a thorough understanding of IBM z/OS, mainframe architecture, and related technologies.
Good knowledge of IBM z/OS and mainframe concepts
Familiarity withCOBOL and/or Assembler(willingness to learn Assembler if COBOL is the primary language)
2-3 years of experiencein mainframe development, internships, or academic projects
Introductory experience or understanding ofDB2
Awareness of debugging and performance monitoring concepts
Basic understanding of memory management and system-level programming principles
Ability to analyze problems and learn troubleshooting techniques
Ability to work in international environment and international team (global)
Good command ofEnglish(written and spoken), Polish at least B2 level
Located in Poland with valid work permit
Nice to have:
Exposure to integrating Assembler or COBOL with other technologies (e.g., PL/I or Java)
Knowledge of any other programming languages, programming concepts
Relevant coursework, certifications, or training in mainframe or z/OS technologies
Your future role
Go through the assembler training path as well as mainframe environment training path to become member of international development team
Assist in developing, testing, and maintainingAssembler and COBOLcode in mainframe environments
Support enhancements and maintenance of existing legacy applications
Collaborate with experienced developers and cross-functional teams on system integration tasks
Learn to use performance monitoring and debugging tools to identify and resolve issues
Participate in incident analysis and problem resolution under guidance from senior team members
Take part in system modernization initiatives and gain exposure to new mainframe technologies
Continuously build technical skills through mentorship, training, and hands-on experience
What we offer
A budget to spend on benefits that suit you, on top of your salary.
Open colleagues, an environment that encourages proactivity, creativity, cooperation and openness.
Contribution to practice development by shaping fit-for-purpose approaches and methodologies for Deloitte clients.
Fast-paced development in a dynamic, high growth environment.
Work with Deloitte clients locally and globally, delivering high-impact solutions to complex challenges and helping them drive exceptional performance.
Selection process
Stage 1 - Send your CV in pdf format in English.
Stage 2 - Join an HR screening
Stage 3 - 2 interviews: technical one and on the business side
About Deloitte
In Deloitte we support leading global organizations in optimizing and transforming their organizations. This also relates to their finance function. Our consultants offer insights, capabilities, and solutions that change the way these organizations operate and make people-related decisions.
We are currently building in Poland a dedicated team which will focus on advisory in the area of Finance & Performance. The Team will advise our Clients in complex issues relating to i.a. Reporting, Budgeting, Controlling processes. We are looking for high-energy, committed and ambitious people to join our advisory practice. Next to advising on most sophisticated and challenging issues relating to the above mentioned areas, our Consulting professionals will also advise on potential solutions leading to optimisation of the above mentioned processes. This will also include applying the newest technologies.
Are you ready to join our team and help our clients imagine, deliver, and run their future?
General Information
Position
Mainframe Developer IBM z/OS (willingness to learn Assembler)
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