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Job
· Senior
Senior Fullstack Data Scientist (GenAI)
Data Scientist
• Senior
• Remote
• Full-time
•
Poland
Seeking an experienced Fullstack Data Scientist with Generative AI expertise to lead the design, implementation and optimization of LLM-based systems, chatbots, AI agents and RAG solutions, while mentoring teams.
Stack
Responsibilities
- ▹Lead discovery and architecture design for GenAI use cases
- ▹Build end-to-end GenAI applications
- ▹Design RAG pipelines with vector databases
- ▹Model selection, prompting strategy and fine-tuning
- ▹Implement safety and compliance controls
- ▹Collaborate with data engineers and developers
- ▹Mentor data science colleagues on GenAI patterns
Requirements
- ▹6+ years of experience in Data Science / AI engineering
- ▹4+ years of production-ready Python AI development
- ▹2+ years of production LLM/RAG development
- ▹Strong knowledge of LLMs, chatbots, AI agents and RAG
- ▹Experience with LangChain, LlamaIndex or LangGraph frameworks
- ▹Experience designing MCP servers/clients
- ▹Excellent English communication
Nice to have
- ▹Designing ML algorithms and data pipelines in Python
- ▹Familiarity with Azure, GCP or AWS AI services
- ▹CI/CD and containerized (Docker, Kubernetes) development
Soft skills
Strong analytical and problem-solving skillsEffective collaboration with technical and non-technical teamsCommunicating complex technical concepts clearly
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