June 4, 2026
Java Fullstack Developer
Senior • Hybrid
Warsaw, Poland
Responsibilities:
Developing, maintaining, and enhancing the Corporate Netbank application
Implementing new features and improvements based on business and technical requirements
Fixing bugs and supporting the resolution of production incidents
Implementing compliance and mandatory business changes
Designing and implementing backend services according to given specifications
Writing and maintaining REST APIs
Working with both microservice-based and monolithic architecture
Implementing unit tests to ensure high-quality delivery
Analysing and working with legacy code
Collaborating with international teams in an Agile/SAFe environment
Supporting the ongoing modernisation of the existing system
Requirements:
Minimum 5 years of experience with Java development
Strong experience with Java 7/8
Practical experience with Maven, Git, Spring Framework, and Spring Boot
Good knowledge of SQL
Experience with JSP, JavaScript, and frontend-related development
Experience in writing REST APIs
Experience in backend services design and implementation
Experience with unit testing
Minimum 2 years of experience with Angular and Jasmine
Experience working in an Agile environment
Willingness to analyse, maintain, and improve legacy code
Good communication skills
Fluency in English
Nice to have:
Knowledge of SOLID principles
Knowledge of design patterns
Offer:
Private medical care
Co-financing for the sports card
Constant support of dedicated consultant
Employee referral program
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