Java / Fullstack Developer

Commerzbank Digital Technology Centre Poland

Łódź

Hybrid

PLN 110,000 - 160,000

Full time

34 hours ago

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Benefits offered by this job

Development Plans

Life insurance

Flexible working hours

Integration events

Job summary

Commerzbank Digital Technology Centre Poland in Łódź is seeking a Java / Fullstack Developer to enhance backend and middletier services for online banking across markets. You will contribute to modernizing the platform with RESTful APIs, AI-enabled features, and high-availability operations.

Key tasks include implementing production requirements and BOS-related changes, supporting deployments, and collaborating with Product Owner and operations teams on maintenance and testing.

Qualifications

Experience delivering production-grade software in a professional setting.
Knowledge of backend and middletier architectures and RESTful services.
Ability to work in English at a professional level (B2).

Responsibilities

Implement production requirements and document changes.
Analyze and implement BOS-related requirements for software.
Support deployments and changes in project scope.

Skills

Java

JavaScript

English (B2)

Tools

Eclipse

Git

JIRA

Bitbucket

TeamCity

PostgreSQL

Windows

Linux

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
Support of business experts in specialist regression tests, specialist tests in the core systems for the documented payment transactions
Transfer of software to ADIS (Application Deployment information Service) - handover and storage of software to be installed in accordance with the audit and mapping of deployment processes

What is important for us?