Mid Mainframe IBM z/OS Developer (willingness to learn Assembler) @ Deloitte

Job snapshot

Start with the clearest source facts for this role, then use the sections below if you want more context before you apply.

• Company: Deloitte
• Location: Polska, Poland
• Work style: On-site
• Employment type: Full-time
• Date posted: Jan 28, 2026
• Listed via: Adzuna (adzuna.pl)

Additional source context

• Source location: Polska

Listing overview

Job listing at Deloitte in Polska, Poland. The source lists this as an on-site full-time position.

Short source excerpt

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) 2-3 years of experience in mainframe development, internships, or academic projects Introductory expe...

Key takeaways

• The original page uses Polska as the listing location.
• The source includes contract or schedule wording that is worth confirming before you tailor your resume.

Key qualifications mentioned

Use these details to assess fit and tailor your resume only where they are genuinely supported by your background.

Also mentioned on the original page

• IT

Why this role may be worth a closer look

• The listing includes enough concrete detail to support a more targeted application if your background genuinely matches it.
• There is a usable source excerpt here, which makes it easier to judge fit before you spend time tailoring.
• The original source page is available, so you can confirm the live requirements and final application terms before you apply.
• A few priorities stand out, which makes it easier to decide whether this role deserves tailoring time.

What to highlight in your resume

• Lead with the most relevant recent work that matches IT.
• Only mirror contract or schedule language on your resume if it genuinely matches the way you have worked before.

Before you apply

• Open the original listing first and confirm that the role is still live and accepting applications.
• Review the original page for the final responsibilities, must-have requirements, and any location restrictions.
• Check pay, rate, or benefits on the original page.
• Confirm the contract type and working schedule directly on the original listing.
• Confirm the exact on-site or hybrid attendance expectations before you apply.
• Check whether the employer expects a specific working language before you apply.

Use Open original listing only after you have reviewed the live requirements, compensation, and application terms on the original page.