Mainframe Data & COBOL Expert — Flexible Hours

Commerzbank Poland; Łódź; On-site; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Life insurance

Flexible working hours

Integration events

Many more benefits

Job summary

Commerzbank Poland is seeking a Business Expert to support the PUK segment. The role focuses on the PC-RB Datamart and CODABAS data warehouse, contributing to data modelling, analyses, and go-live activities.

Your duties include requirements clarification, creating designs and data specifications, developing and maintaining data models, and performing in-depth data analysis. You will support QA and engage with stakeholders to ensure successful deliveries.

Qualifications

• Fluent German (B2+) and English (B2/C1) required.
• Strong analytical skills are essential.
• High knowledge of SQL required.
• Good knowledge of z/OS and DB2.
• Experience with COBOL mainframe applications.

Responsibilities

• Clarify and analyze requirements for our products.
• Create (technical) designs and specifications, data modelling, DB2 table design and delivery agreements.
• Develop and maintain the data model.
• Perform business and technical data analysis.
• Support and quality assurance during development, through testing to go-live.
• Process PC-RB Datamart and CODABAS data requests and evaluate data.
• Advise and support stakeholders.

Skills

German B2+

English B2/C1

Strong analytical skills

SQL

z/OS

DB2

COBOL

Tools

Rumba

DB2 Catalog Manager

PowerDesigner

Aqua Data Studio

Job description

Commerzbank Poland is seeking a Business Expert to support the PUK segment. The role focuses on the PC-RB Datamart and CODABAS data warehouse, contributing to data modelling, analyses, and go-live activities.

Your duties include requirements clarification, creating designs and data specifications, developing and maintaining data models, and performing in-depth data analysis. You will support QA and engage with stakeholders to ensure successful deliveries.