Senior Data Scientist
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)
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5+ years of commercial experience as a Data Scientist delivering end-to-end products.
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Specialized ML Expertise:
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Proven experience building and optimizing Recommender Systems (at scale).
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Hands-on knowledge of Causal Inference, specifically Uplift Modeling.
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Deep understanding of supervised learning, focusing on complex Classification models.
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Solid background in Natural Language Processing (NLP) and Embeddings knowledge.
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Tech Stack: Python(Pandas, Scikit-learn, PyTorch/TF), PySpark, SQL.
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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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