In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a highly experienced Backend Java Developer to join a remote development team.With solid experience in maintaining legacy applications, handling complex incidents, and supporting migrations to modern technologies such as Java 21.
Industry:Finance
Office location: Poland, Warszawa
Work model: Remote
Budget: 120-160 net/ h - b2b
Project length: January 2026 - December 2026 with option to extension
Only candidates with citizenship in the European Union and residence in Poland
Start date: ASAP (depending on candidates availability)
responsibilities :
Maintain and support a legacy application in sunset mode
Monitor logs, identify issues, and resolve incidents
Prepare and execute application releases
Handle complex 3rd-line ServiceDesk tickets
Perform data fixes and coordinate with the database team
Work with LDAP for application data workflows
Support migration preparation to a new Java 21 / Spring Boot 3 platform starting in 2026
requirements-expected :
Fluency in Java 8/11 for maintaining and troubleshooting legacy applications
Experience with Spring Framework 3.1.2 and Hibernate
Strong knowledge of Oracle SQL and ability to prepare and execute data-fix scripts
Familiarity with Flex front-end components
Basic understanding of LDAP and its role in application data workflows
Experience in log monitoring, troubleshooting, and release preparation
Ability to handle 3rd-line ServiceDesk tickets and resolve complex incidents
Exposure to Java 21 and Spring Boot 3 for upcoming migration projects
Professional English skills
offered :
Participation in migration project to Java 21
Full-time job agreement based on b2b
Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible
Multisport card (also for an accompanying person)
Life insurance
Fully remote job
B2B contract: 120-160 pln/h net
Opportunity to shape technical direction and architecture in a modern digital product environment
Work in an international, agile ecosystem with strong engineering communities
Challenging engagement with high autonomy and technical leadership impact
benefits :
sharing the costs of sports activities
private medical care
sharing the costs of professional training & courses
