Design and develop Java-based backend services and microservices in a cloud-native environment
Build, maintain, and enhance RESTful APIs used by internal and external systems
Contribute to the development of scalable, secure, and reliable backend solutions
Participate in the full software development lifecycle, from implementation and testing to deployment and support
Collaborate closely with other engineers, architects, and product stakeholders
Optimize performance, reliability, and maintainability across distributed services
Write clean, testable code and manage technical debt responsibly
Participate in code reviews and knowledge sharing within the team
Create and maintain clear technical documentation
Stay curious and engaged with modern Java and backend development practices

Practical experience building backend services using Spring Boot (3+)
Solid hands-on experience with Java (preferably Java 17+ / Java 21)
Strong understanding of RESTful API design, implementation, and integration
Experience applying clean code principles and implementing automated tests
Familiarity with software design principles such as SOLID, KISS, and YAGNI
Experience working in cloud-based or distributed systems, ideally on AWS
Basic to intermediate exposure to AWS services such as Lambda, API Gateway, CloudWatch
Understanding of CI/CD practices
Experience in banking or regulated environments is a strong advantage
Experience with Quarkus will be considered an advantage
Fluent English required in spoken and written communication

Gross salary 3,700-5,900 EUR/month dependent on experience
Flexible working hours
Hybrid work
Possibility to work from anywhere in the EU, Iceland, Switzerland, and the UK for 90 days per year
Additional weeks of vacation for employees after 1 year
Volunteer time off
30 fully paid calendar days for military training each year
Health insurance after first 3 months in the Baltic states
Health days for sickness without a doctor's note
Access to tools and resources for wellbeing
Internal and external training programs, workshops, online training, etc.
Special offers for Luminor products & services

Senior Java Back-end Developer

Key skills