Java / Fullstack Developer (m/f/d)

Commerzbank AG; Łódź; On-site; PLN 180,000 - 240,000; Full time

Job summary

Commerzbank AG in Poland seeks a Java / Fullstack Developer to join the Daily Banking Middletier cluster in Łódź. You'll implement production requirements, analyze technical production needs, and contribute to modernizing core backend and middletier services with a focus on reliability and regulatory compliance.

You will support changes, perform acceptance tests, assist Product Owners with technical analysis, and help maintain job configurations and BOS-related documentation to ensure smooth

Responsibilities

• Implementation of production requirements and their documentation
• Analysis and implementation of technical production requirements for the software used, including BOS requirements
• Open and execute changes with smaller project and infrastructure operations
• Support in fault analysis, also in TU-C environment
• Perform technical acceptance tests (ACT): Installation and first functional tests
• Support the Product Owner in the technical analysis of requirements with regard to the software used
• Support of the operating colleagues in the maintenance of jobs in the task scheduler (e.g. UC4)
• Input on COMDIA description of technical users and technical rights, recertification
• Maintenance of mandatory documents: Compliance Check / PO cockpit
• Opening of changes for production operations (major technical infrastructure topics as well as major specialist topics/application uses); Change Coordination

Job description

Join our team as a Java / Fullstack Developer!

In the cluster Daily Banking Middletier, we shape the digital banking experience for millions of retail and corporate customers. With around 20 specialized cells across four locations, we are responsible for the core backend and middletier services behind online and mobile banking, delivering them securely, with high availability, and in full regulatory compliance.

What sets us apart is that we combine reliable platform ownership with genuine future-focused work. We are modernizing a complex system landscape with AI, establishing cross-channel standards, and thereby enabling new digital and AI-supported use cases across the bank. People who join us help shape critical infrastructure with visible impact on customers, operations, and the bank’s strategic evolution.

In order to ensure compliance with current market trends, regulatory requirements as well as Commerzbank’s Book-of-Stardards (BOS) requirements we look for a committed and passionate development engineer to technologically move forward our paper-based payments business.

Your main tasks are:

• Implementation of production requirements and their documentation
• Analysis and implementation of technical production requirements for the software used, including BOS requirements
• Open and execute changes with smaller project and infrastructure operations
• Support in fault analysis, also in TU-C environment
• Perform technical acceptance tests (ACT): Installation and first functional tests
• Support the Product Owner in the technical analysis of requirements with regard to the software used
• Support of the operating colleagues in the maintenance of jobs in the task scheduler (e.g. UC4)
• Input on COMDIA description of technical users and technical rights, recertification
• Maintenance of mandatory documents: Compliance Check / PO cockpit
• Opening of changes for production operations (major technical infrastructure topics as well as major specialist topics/application uses); Change Coordination