Stellendetails zu: Data Scientist (all genders)
Data Scientist (all genders)
Kopfbereich
Besondere Merkmale
Arbeitsort
KölnAnstellungsart
Vollzeit, Teilzeit (Vormittag, Nachmittag, Abend)Beginn
ab sofortBerufsbezeichnung
- Data Scientist
Stellenbeschreibung
What you'll do
- Design, develop, and deploy machine learning and AI solutions that solve commercial problems across pricing, demand, and revenue optimization
- Own model quality end-to-end — monitor performance, improve accuracy, ensure explainability, and quantify business impact throughout the model lifecycle
- Collaborate with Business Analysts, Data Engineers, Revenue Management, and Subject Matter Experts to deliver production-grade data products
- Identify opportunities where emerging techniques (GenAI, advanced forecasting, optimization) can create measurable business value — and build them
Our Tech Stack: PySpark, Python , Databricks, Azure Cloud, MLflow
Ihr Profil:
What you'll need
University degree (preferably Master's) in Economics, Computer Science, or a STEM-related field
4–5 years of professional experience as a Data Scientist or ML Engineer
Solid understanding of Python, SQL and core data science libraries
Familiarity with BI tools
Proficiency with Databricks or similar lakehouse/notebook platforms
Ability to select and justify modeling approaches based on data characteristics, business constraints and interpretability requirements
Understanding of model performance trade-offs and hyperparameter tuning
Experience with feature engineering, data cleaning and managing data leakage and overfitting
Experience with constrained optimization models
Experience building RAG pipelines or integrating LLMs into production workflows
At least 2–3 years of experience with MLOps practices and experiment tracking
Experience working with at least one cloud platform
What you'll bring
- Curiosity to dig into unfamiliar business domains and ask "why"
- A bias toward pragmatic solutions
- Comfort navigating ambiguity
- Ownership of data quality
Arbeitsorte
Unternehmensdarstellung: Deutsche Lufthansa AG
Deutsche Lufthansa AG
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