Backend Software Engineer - Intern

Job Description:
We are looking for a Kotlin/Java Engineer to join our Berlin-based team. In this role, you will work with Spring Boot, Microservices, REST APIs, PostgreSQL, Docker, and optionally Kubernetes and Kafka, gaining hands-on experience with real projects.

Responsibilities:

• Design and optimize REST APIs
• Experience with Kotlin/Java
• Work with PostgreSQL, including indexing and performance optimization
• Use Docker containers and optionally Kubernetes
• Manage version control using Git and GitHub
• Collaborate with the team to ensure timely project delivery (Jira)

Requirements:

• Strong knowledge of Kotlin or Java
• Understanding of REST APIs
• Familiarity with microservices architecture
• Experience with Docker; Kubernetes is a plus
• Knowledge of PostgreSQL
• Kafka experience is a plus
• Proficiency with Git and GitHub
• Team player with a sense of responsibility
• Remote work compatible
• English communication skills are a plus
• Vibe coding skills – passion for coding, creative thinking, and problem-solving

What We Offer:

• Remote work opportunity
• Hands-on experience with real projects
• Mentorship and growth within a professional team