Senior Data Scientist (GenAI)

About the Position

Senior Data Scientist (GenAI)

Remote

165 - 180 PLN/month

Warsaw, Poland

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Responsibilities

• Design GenAI solutions aligned with business and technical needs
• Select models and approaches based on specific use cases
• Develop production solutions using LLM, RAG, and agentic systems
• Build mechanisms to use knowledge from multiple data sources
• Design and optimize retrieval, processing, and delivery of context to models
• Create methods to measure quality, stability, and effectiveness of generative solutions
• Experiment with models and adaptation methods for target applications
• Implement controls for model responses and overall solution safety
• Optimize solutions for quality, performance, scalability, and cost
• Design integration of AI components with existing systems and data sources
• Validate new models, frameworks, and approaches for production viability
• Promote technical best practices (design patterns, code quality, GenAI development)
• Co-create standards and reusable components for future AI initiatives

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Requirements

• Minimum 6 years of experience in Data Science or AI
• Minimum 2 years of experience with production LLM-based solutions
• Very good Python skills and ability to build quality, testable production code
• Practical experience designing and developing RAG systems
• Very good knowledge of LLMs, agentic systems, and conversational solutions
• Experience with vector search, hybrid search, and reranking; optimize context acquisition
• Practical knowledge of LangChain, LangGraph, or similar GenAI frameworks
• Experience with MCP and integration of models/agents with external tools or data sources
• Very good understanding of LLM evaluation methods and experience measuring generative solution quality
• Very good ML foundations (evaluation methods, metrics, model lifecycle)
• Experience with cloud platforms (Azure/AWS/GCP)
• Knowledge of CI/CD, testing, and containerization of AI solutions
• Ability to translate business problems into technical concepts and solution approaches
• Strong analytical skills for complex AI problems
• Very good English communication skills in an international environment

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We Offer

• Work on production projects using LLM, RAG, and agentic systems
• Opportunity to take AI initiatives from concept/experiments to deployment and ongoing optimization
• Flexibility to choose models, technical approaches, and solution strategies for specific problems
• Evaluate new GenAI technologies and apply them in practice
• Help shape project standards and reusable approaches for future AI solutions

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About the Company

At TQLO SP. Z O.O., we are dedicated to pushing the boundaries of artificial intelligence and data science. Our team is composed of passionate professionals committed to developing cutting-edge GenAI solutions that drive innovation and efficiency across various industries.