Software Developer (AI)
Cdq Ag
Posted: January 28, 2026
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Quick Summary
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.
Required Skills
Job Description
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.
What is key about this position?:
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:
• DesigningandimplementingAIagentswithreasoningpipelines(e.g. multi-stepworkflows,toolusage, RAG-baseddecisionmaking)
• IntegratingAIcapabilitiessuchasLLM-poweredservices,semanticsearch, and intelligentautomation
• Contributingtoscalablearchitecturesfordata- and event-drivensystems
• Improving, refactoring, andmaintainingexistingcodebases
• DesigningtasksincollaborationwiththeTeam Lead andProductOwner
• Participatingin codereviews,architecturediscussions, andknowledgesharing
• Contributed to the design of scalable architectures for data-heavy and AI-drivenservices
• CollaboratecloselywiththeTeam Lead andProductOwnertodesigntasksandshapetechnicalsolution
• Participatein codereviews,architecturediscussions, andknowledge-sharingsessions
Your qualifications::
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)
How you thrill us::
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