Senior Backend Software Engineer (m/f/x)

• Steep learning curve in one of Europe’s fastest growing travel companies

• Meaningful ownership from day one, allowing you to contribute and make a difference immediately

• Healthy work-life balance: full overtime compensation (Gleitzeit), remote work budget

• Office in the heart of Berlin-Kreuzberg, fully equipped with Apple technology

• Regular feedback culture and a team that actively invests in your growth (Kununu score: 4.8)

• In a mid-level role, you can expect a yearly salary range  between 42.000€ and 50.000€, in a senior role you can expect yearly salary range from 54.000€ and 61.000€

• We are seeking a skilled full-time Backend Software Engineer to own the maintenance, reliability, and scalability of our core REST API, built in Java

• Lead and contribute to the migration of our existing codebase to Spring Boot

• Design, build and document new backend features and services.

• Optimize server performance, troubleshoot issues, and ensure high availability.

• Work closely with frontend developers and product teams to integrate backend services with third-party APIs

• Write unit and integration tests to ensure code quality and robustness.

• Participate in code reviews, propose technical improvements, and follow best practices in API design and security.

• Strong, proven expertise in Java i.e. at least 3 years of professional experience with Java and SQL (PostgreSQL in particular)

• Solid grasp of RESTful API design and HTTP protocols

• Experience with PostgreSQL or similar relational databases and ORM frameworks

• Experience with Git and Maven.

• Knowledge of containerization (Docker) and CI/CD pipelines is a plus.

• Strong problem-solving skills, attention to detail, and ability to work in a collaborative environment

• Strong communicator in English, comfortable working across technical and non-technical teams

You'll get real responsibility early, work in a hybrid setup, and grow your skills alongside a diverse, international team.