Junior Developer/Trainee for Assembler - Mainframe IBM z/OS (willingness to learn Assembler)

Who we are looking for

• Good knowledge of IBM z/OS and mainframe concepts

• Familiarity with COBOL and/or Assembler (willingness to learn Assembler if COBOL is the primary language)

• 1-2 years of experience in mainframe development, internships, or academic projects

• Introductory experience or understanding of DB2

• 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 of English (written and spoken)

• Located in Poland

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 maintaining Assembler and COBOL code 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.