Mid - level Backend Engineer at a European technology company. Building and operating backend systems for high - traffic consumer platforms used by millions of users, with a focus on performance and reliability.
About the role
- Senior Cloud Software Engineer developing cloud-native applications with Java/Kotlin and integrating AI solutions. Role includes backend development and AI architecture for enterprise clients.
Responsibilities
- You are a backend engineer with several years of experience and want to take the next career step toward AI integration?
- Backend development (50%) - Design and develop cloud-native applications with Java/Kotlin and Spring Boot
- Design and implement REST APIs for enterprise systems
- Containerization and orchestration with Docker and Kubernetes/OpenShift
- Build and optimize CI/CD pipelines
- Migration and modernization of existing backend systems
- AI integration (50%) - Develop RAG systems (Retrieval-Augmented Generation) with LangChain/LangChain4J
- Implement MCP servers to integrate LLMs with existing APIs
- Build agent-based architectures and agent-to-agent communication
- Integrate vector databases and embedding technologies
Requirements
- 5+ years of experience in backend development with Java/Kotlin
- Solid knowledge of Spring Boot or Jakarta EE
- Practical experience with Kubernetes and at least one cloud platform (AWS/Azure/GCP)
- Hands-on experience with Docker and CI/CD tools (GitLab, Jenkins, GitHub Actions)
- Practical experience with LLMs – whether a personal project, proof of concept, or production deployment
- Understanding of RAG concepts or the motivation to learn them quickly
- German: business fluent
- English: fluent
Benefits
- Paid certifications – AWS, Azure, GCP, Kubernetes: we cover the costs
- Generous training budget for courses and conferences in the AI field
- Access to leading AI communities and meetups (speakers welcome)
- Freedom to choose tools and hardware – laptop and mobile phone to your preference
- Time during work hours for blogs and technical articles
- Close collaboration within the team – we learn from each other
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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