Software Developer (AI)

Brief job description We are looking for an experienced Java Developer with strong technical skills and a passion for creating high-quality, clean, and maintainable code. The ideal candidate has at least 3 years of professional experience and a solid background in backend development using modern Java technologies. The perfect fit is a team-oriented person who values collaboration, knowledge sharing, and collective problem-solving. A genuine interest in data and databases is highly appreciated. Was macht diese Position aus? We are looking for an experienced Java Developer with strong technical skills and a passion for creating high-quality, clean, and maintainable code. The ideal candidate has at least 3 years of professional experience and a solid background in backend development using modern Java technologies. The perfect fit is a team-oriented person who values collaboration, knowledge sharing, and collective problem-solving. A genuine interest in data and databases is highly appreciated. Your daily tasks on the job

• Designing and implementing AI agents with reasoning pipelines (e.g. multi- step workflows , tool usage , RAG- based decision making )
• Integrating AI capabilities such as LLM- powered services , semantic search , and intelligent automation
• Contributing to scalable architectures for data - and event- driven systems
• Improving ,  refactoring , and maintaining existing codebases
• Designing tasks in collaboration with the Team Lead and Product Owner
• Participating in code reviews , architecture discussions , and knowledge sharing
• Contributed to the design of scalable architectures for data-heavy  and AI- driven services
• Collaborate closely with the Team Lead and Product Owner to design tasks and shape technical solution
• Participate in code reviews , architecture discussions , and knowledge-sharing sessions

Diese Qualifikationen bringst Du mit: Java Spring Boot / Spring AI Docker AI-related:

• Experience integrating LLMs into applications (OpenAI API, Anthropic, local inference, etc.)
• Understanding of vector databases (Milvus, Pinecone, Qdrant, Elasticsearch vector search, or similar)

Polish – C1 (required) English – C1/B2+ (required) So begeisterst Du uns: Redis Mongo DB AI-related:

• Knowledge of embeddings, prompt engineering basics, and retrieval-augmented generation (RAG)
• Experience with AI/ML frameworks or orchestration libraries (LangChain4j, Spring AI, Embabel, Haystack, etc.)
• Familiarity with LLM model lifecycle: prompt design, evaluation, latency considerations, cost/performance trade-offs
• Experience with Ollama / vLLM
• Experience with streaming architectures for AI pipelines (i.e. Kafka Streams)
• Experience with document processing, OCR, or semantic search