Backend Java Developer
Reference number: PL25/IC/BACKENDJAVADEV/REMOTE
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.
Project information:
- 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 candidate's availability)
Project scope:
- 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:
- 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
We offer:
- 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