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Link Group

Senior Data Scientist

Link Group Show all offers
Poznań
Gdańsk
Łódź
Wrocław
+7
Expires Nov 4, 2026
5 days ago

In short

Senior Data Scientist at Link Group in Poznań. Build and scale recommender engines, classification models, and NLP solutions. Measure impact using Uplift modeling. Requires 5+ years experience, Python, PySpark, SQL, and cloud platforms.

AI-written summary based on the listing content.

About the Role

We’re looking for a Senior Data Scientist to own and deliver high-impact data products from concept to production. You’ll bridge the gap between business needs and production-grade ML, with a special focus on enhancing user experience through advanced personalization and measuring true business impact using causal inference.

What You’ll Do

  • Discover: Partner with business leaders to translate complex challenges into actionable ML hypotheses.
  • Build & Scale: Design, develop, and deploy hands-on recommender engines, advanced classification models, and NLP solutions using large-scale datasets.
  • Measure Impact: Apply Uplift modeling techniques to move beyond correlation and measure the genuine incremental impact of our products and campaigns.

What You Bring (Core Tech Focus)

  • 5+ years of commercial experience as a Data Scientist delivering end-to-end products.

  • Specialized ML Expertise:

  • Proven experience building and optimizing Recommender Systems (at scale).

  • Hands-on knowledge of Causal Inference, specifically Uplift Modeling.

  • Deep understanding of supervised learning, focusing on complex Classification models.

  • Solid background in Natural Language Processing (NLP) and Embeddings knowledge.

  • Tech Stack: Python(Pandas, Scikit-learn, PyTorch/TF), PySpark, SQL.

  • Cloud & Infrastructure: Hands-on experience with Databricks, AWS, GCP, Azure, or Snowflake.

Nice to Have

  • Background in Management Consulting or Marketing Analytics.
  • Experience with Kedro, CI/CD, or CLI tools (Bash/Zsh).
Published 2026-10-29
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