Are you an experienced backend developer ready to grow and deliver impactful services at one of Europe's fastest-growing companies? If yes, keep reading and join us to make an impact in a fast-paced and dynamic environment where you'll play a key role in boosting everyday wellbeing, at home, at work. We are currently hiring a Mid-Level Software Engineer (Java) to be based in either Finland, Germany, Poland, Netherlands, Sweden, Spain or UK.

We are an AI-native engineering organisation — we build with AI tools, we iterate with AI tools, and we expect our engineers to embrace this as a core part of how great software gets made. You will be a core contributor on a cross-functional product team, building and evolving backend services using Java Spring Boot that power Epassi's product vision. We are adding this role to strengthen our backend engineering capacity and bring meaningful features to life reliably and at quality.

You will take ownership of defined service areas, work confidently across the stack, and grow into greater technical responsibility over time. Build and maintain high-quality backend services using Java Spring Boot, taking ownership of your work from implementation through testing and release Write clean, secure, and testable code following agreed engineering standards, making it easy for your team to review, understand, and build upon Design and implement RESTful APIs in collaboration with Frontend Engineers, ensuring reliable contracts and well-handled edge cases Ensure code quality through unit and integration tests, thorough code reviews,



and participation in refactoring efforts Support CI/CD pipelines and deployment processes, developing your understanding of how services are built and released Participate actively in agile ceremonies — planning, refinements, reviews, and retrospectives — and document your technical decisions 2–4 years of professional software engineering experience, with at least 1 year building backend services with Java in a professional setting. A Computer Science degree or equivalent is not required — we care about what you can build and how you think, not where you studied. ~ Java & Spring Boot (solid): Solid hands-on experience building backend services with Java and Spring Boot, including REST APIs, dependency injection, and the Spring application lifecycle ~ Data persistence: Working knowledge of JPA/Hibernate and relational databases — writing queries, understanding entity relationships, and basic schema design ~ Testing: Familiarity with writing unit and integration tests in Java (e.JUnit, Mockito);

experience with test-driven development is a plus ~ Version control: Awareness of CI/CD concepts and experience working within an automated build and deployment pipeline ~ Familiarity with AI coding tools such as Copilot or Cursor is a plus — we're an AI-native team and are happy to help you develop this further ~ Basic familiarity with Docker and how containerised services are built and run Be part of an ambitious growth journey and join a integral community of driven, bold, entrepreneurial, yet humble Epassians. Join a fast-growing tech company with a strong financial foundation, offering opportunities to grow and make an impact.

📌 INTERNSHIP - Python Software Engineer (Madrid)
🏢 Epassi
📍 Madrid