Junior Java Backend Developer

🚀 We’re Hiring: Junior Java Backend Developer

📍 Location: Luxembourg

🗓 Start date: January - Full time

🌍 Languages: Fluent English (+ French ideally, but not mandatory)

We are looking for a skilled and motivated Java Backend Developer to join our growing development team. In this role, you will design, develop, and maintain scalable back-end services and APIs that power our applications.

Working in an agile environment, you’ll collaborate closely with front-end developers, QA testers, and functional analysts to deliver high-quality solutions.

🔧 Key Responsibilities

• Design, build, and maintain efficient, reusable, and reliable Java code
• Develop and maintain APIs and backend services for web applications
• Optimize applications for maximum performance, scalability, and reliability
• Integrate third-party APIs and external services
• Collaborate with cross-functional teams to define and deliver new features
• Ensure code quality through code reviews, unit testing, and automated testing
• Monitor and troubleshoot production systems to ensure high availability
• Maintain and enhance existing codebases and legacy systems

🎯 Required Skills & Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 2+ years of experience with Java, including strong OOP principles
• Experience with Spring Boot, Spring Framework, or similar Java frameworks
• Good understanding of RESTful APIs and microservices architecture
• Familiarity with SQL databases (PostgreSQL, MySQL, etc.)
• Experience using Git or other version control systems
• Understanding of the software development lifecycle and Agile methodologies
• Knowledge of unit testing frameworks such as JUnit and Mockito
• Strong problem-solving and debugging skills
• Excellent communication and teamwork skills

⭐ Nice to Have

• Experience with CI/CD pipelines (e.g., Jenkins, GitHub Actions)