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Offer summary
(Summary generated by AI based on the full job description)
The project involves supporting and decommissioning legacy systems within a sunset and decommissioning programme. The tech stack centers on COBOL and PL/I running on mainframe platforms. Responsibilities include maintaining and stabilizing mainframe applications, troubleshooting production incidents and performing root cause analysis, participating in migration and retirement activities, and producing technical documentation for knowledge transfer. Offered: remote work, long-term project, Luxmed Gold medical care and Multisport Plus, training opportunities and integration trips.
from: 28 October 2026
to: 27 November 2026
190 - 240 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
COBOL
Operating system
Windows
Our requirements
- Very strong knowledge of COBOL and experience working on mainframe platforms.
- Practical experience with PL/I in a production or maintenance context.
- Experience supporting legacy systems and participating in sunset/decommissioning projects.
- Proven ability to troubleshoot production issues and perform root cause analysis.
- Good communication skills and ability to work effectively within technical teams.
- Relevant technical education or equivalent professional experience in mainframe development and support.
Your responsibilities
- Maintain and support mainframe applications written in COBOL as part of the legacy environment.
- Contribute to PL/I-related tasks and resolve issues in mixed-language modules.
- Participate in decommissioning and sunset activities, ensuring safe migration or retirement of legacy components.
- Investigate and resolve production incidents, document findings and implement corrective actions.
- Perform code analysis, testing and validation to ensure system stability during transition phases.
- Collaborate with cross-functional teams to plan and execute change requests and release activities.
- Produce clear technical documentation for supported systems and for knowledge transfer activities.
About the project
We are seeking a COBOL Developer with Mainframe expertise to support legacy systems within a structured sunset and decommissioning programme. The person in this role will work in a Mainframe environment, applying strong COBOL knowledge and experience with PL/I to maintain, stabilize and transition legacy applications. This role requires methodical problem-solving, attention to detail and the ability to work collaboratively across technical teams.
This is how we organize our work
This is how we work
at the client's siteagile
What we offer
- Remote work arrangement & long-term project.
- Professional development opportunities and collaboration with experienced engineering teams.
- Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
- Agile approach and no bureaucracy.
- Outstanding integration trips to various places in Europe for all employees.
- Activities to support your well-being and health.
- Luxmed Gold Extended medical care and Multisport Plus benefit.
Benefits
- sharing the costs of sports activities
- private medical care
- remote work opportunities
Recruitment stages
- 1.Screening Call
- 2.Cultural Fit Interview
- 3.Technical Interview
- 4.Final Round Interview
YOUR ITEAMS sp. z o.o.
Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
Agile approach and no bureaucracy.
This is how we work
COBOL Developer with Mainframe
190–240 zł / hr. (B2B)
I apply to:
YOUR ITEAMS sp. z o.o.
Warszawa, Masovian
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https://youriteams.com/polityka-prywatnosci/
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