Senior Java Backend Engineer (m/f/x)

We are looking for a Senior Java Backend Engineer to join our growing engineering team in Berlin. You will play a key role in designing, building, and scaling high-performance backend systems using modern Java technologies and cloud-native architectures.

Requirements

• 8+ years of professional experience in backend development
• Strong expertise in Java 17 or other recent versions (11+)
• Extensive experience with Spring Boot and Spring Reactive
• Solid knowledge of MySQL and experience with NoSQL databases (DynamoDB or MongoDB)
• Hands-on experience with Kubernetes
• Strong understanding of microservice architecture and event-driven systems
• Experience building and consuming GraphQL APIs
• Proven experience with performance optimization and testing
• Experience with end-to-end testing strategies
• Experience with prompt engineering for AI-powered applications
• Experience with Python or strong willingness to learn Python
• Excellent understanding of software design and architectural patterns
• Ability to design elegant, scalable, and maintainable system architectures
• Strong communication skills and excellent English proficiency

Benefits

• A culture that values personal and professional development, with internal mobility opportunities
• A supportive and open-minded team that embraces diverse perspectives and innovative ideas
• 32 days of paid vacation plus your birthday off
• A flexible hybrid working scheme to balance work and life
• Access to a learning budget and internal training to help you grow in your role
• Mental health coaching to support your well-being
• Regular global and local get-togethers to celebrate successes and build connections
• The possibility of taking a sabbatical after three years with the company
• A cloud-based company setup, providing flexibility and collaboration opportunities no matter where you are