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December 17, 2025

Data Scientist

Mid • Remote

$100 - $140/

Warsaw, Poland

At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity – supporting industries like Telecom, Banking, and Hi-Tech.


Are you passionate about creating intelligence behind AI systems?Join our team of engineers and researchers, where data, innovation, and experimentation come together to build scalable, AI-first products for enterprise clients.


Key responsibilities

  • Analyse, prepare, and model structured and unstructured data to extract insights.

  • Design, implement, and validate statistical and machine learning models.

  • Experiment with large language models (LLMs) to explore new AI-driven use cases.

  • Build prototypes and proof-of-concepts using Python, LangChain, and LangGraph.

  • Collaborate with data, product, and front-end teams to develop scalable AI tools and services in the cloud.


What we are looking for

  • Min. 3+ years of experience as a Data Scientist or ML Researcher.

  • Strong Python skills – Pandas, NumPy, scikit-learn, and Jupyter-based experimentation.

  • Understanding of ML lifecycle, from data preparation to model evaluation and validation.

  • Familiarity with cloud platforms (AWS, Azure, or GCP).

  • Curiosity, analytical mindset, and passion for experimentation and applied AI.

  • Hands-on experience with LLM frameworks (LangChain, LangGraph, or similar) will be a strong plus.


What we offer

  • Fully remote work model.

  • Private medical care

  • Opportunity to work on real-world AI applications with a cross-functional, international team.

  • Inspiring environment focused on research, collaboration, and innovation