Java Developer
Summary
Build and maintain Java backend services with Spring Boot, REST APIs, and integrations while supporting production systems and incident resolution.
Java Developer - CGI, Helsinki
What you'll be doing:
- Developing backend applications using Java and Spring Boot
- Designing, implementing and maintaining REST APIs and integrations
- Maintaining and enhancing production systems
- Investigating and resolving production incidents and technical issues
- Writing and maintaining unit, integration and API tests
- Contributing to test automation and continuous improvements
- Working closely with business stakeholders and cross-functional teams
- Supporting the full software lifecycle in a continuous services environment
We are looking for someone with:
- production-environment experience
- strong Java backend development
- Spring/Spring Boot
- REST APIs
- SQL skills
- integrations
- production systems maintenance
- production support and incident management
- testing
- Finnish language skills required
Nice-to-have:
- Robot Framework
- JUnit
- Mockito
- Spring Batch
- CI/CD tools
- Docker and Kubernetes
- Splunk
may be filled before 31.8.2026.