Data Scientist – International Organization

About the role

NTT DATA Luxembourg is looking for an experienced Data Scientist to join the Data Management department of a large International Organization. You will work on daily insight delivery, feature engineering and the development of forecasting and statistical models using Big Data and AI techniques.

Key responsibilities

• Design, develop and implement machine‑learning models and automated learning pipelines to address business challenges.
• Identify, collect and prepare relevant data sources for analysis and modeling.
• Apply algorithms to mine large‑scale data stores and improve model performance through error analysis.
• Clean and harmonise data from diverse origins to ensure uniformity and accuracy.
• Analyse trends and patterns, providing clear interpretations to support automated decision‑making.
• Collaborate with analysts and developers to deploy production‑ready models.

Required profile

• Minimum Bachelor’s degree in IT, statistics, applied mathematics or a related field.
• At least 5 years of hands‑on experience in data‑science projects.
• Strong command of English (B2/C1 level); additional languages are a plus.
• Ability to work effectively in a dynamic, research‑oriented team handling multiple projects.

Required skills

• Programming languages: Python, SQL, Scala.
• Big‑data processing frameworks: Spark, Hadoop.
• Data‑science platforms: Dataiku.
• Data manipulation libraries: Pandas, NumPy.
• Machine‑learning techniques, predictive modelling and statistical analysis.

What we offer

• Permanent contract (CDI).
• Meal vouchers.
• DKV health insurance.
• Possibility of a company car.
• Career assistance and development training.