Job Opportunities API

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. 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. 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 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) 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