AI Engineer – LLM / Agentic Systems (f/m/x)

We are building a new AI team within a project in the digital healthcare / data-driven marketing domain. We are looking for both a Tech Lead and Senior Engineers who will work together as one cohesive team.

The role focuses on designing and delivering production-grade AI systems powered by LLMs in a real-world, regulated environment.

Your tasks

• Design and develop production-ready AI systems based on LLMs and agent-based workflows

• Build and maintain data pipelines for retrieval, orchestration, and evaluation

• Implement solutions using frameworks such as LangChain, LangGraph, LlamaIndex, or custom approaches

• Develop and optimize RAG pipelines (chunking, embedding, retrieval, reranking)

• Integrate LLM models (OpenAI and open-source) and support model selection decisions

• Collaborate with Data Science teams to productionize ML models

• Build evaluation frameworks (metrics, test sets, regression tests) and monitor system performance

• Create and maintain scalable AI infrastructure in a cloud environment

Requirements

• Minimum 5 years of commercial experience in software development or AI/ML engineering

• Strong Python skills with solid software engineering practices (modular design, testing, code reviews)

• Hands-on experience with LLM frameworks such as LangChain, LangGraph, or LlamaIndex

• Experience with vector databases (e.g., Pinecone, Weaviate, pgvector, OpenSearch)

• Practical experience building RAG pipelines and working with unstructured data

• Experience working with SQL and cloud-based data systems

• Availability to start within 2 weeks due to a fast project kickoff

• Fluency in English

• Residing in Poland required