Software Developer (AI)

Why us?

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, 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 code bases
• Designing tasks in collaboration with the Team Lead and Product Owner
• Participating in code reviews, architecture discussions, and knowledge sharing sessions

Your qualifications

Java, Spring Boot, Docker, AI-related technologies.

• Spring AI
• Experience integrating LLMs into applications (OpenAI API, Anthropic, local inference, etc.)
• Understanding of vector databases (Milvus, Pinecone, Qdrant, Elasticsearch vector search, or similar)
• AWS Bedrock
• LangChain4j
• Knowledge of embeddings, prompt engineering basics, and retrieval-augmented generation (RAG)
• Understanding Model Context Protocol

• Polish – C1 (required) / English – C1/B2+ (required)

Additional technical skills (Nice to have)

• Redis, Mongo DB
• 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 (e.g., Kafka Streams)
• Experience with document processing, OCR, or semantic search

Benefits

To be determined.

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