Nexeo Belgium is a consulting company supporting clients in the banking, finance, insurance, and public sectors throughout their transformation projects.
We are currently looking for a Senior Data Scientist to join the Predictive Models Team within the Marketing and Communication department of a leading organization.
Mission Context
The Predictive Models Team provides responsible AI models to enable impactful and efficient campaigns by optimizing reach and relevance for customers and employees.
As a Senior Data Scientist, you will tackle various business challenges, build models to support customer journey-driven marketing campaigns, and collaborate closely with a team of motivated data scientists eager to share expertise and learn continuously.
Key Responsibilities
Capture business needs, determine feasibility, and design predictive models to identify the most relevant target groups
Build, deploy, and monitor responsible AI models, including using LLMs for text classification and summarization
Create pipelines to clean and structure web analytics data and detect customer intent
Apply best practices for AI model explainability, interpretability, and validation
Translate technical insights into actionable business recommendations for Marketing and Communication teams
Support campaign measurement, testing, and adoption of AI-driven solutions
Profile
Languages
English – Fluent
Dutch – Fluent OR French – Fluent
Education
~ Master’s degree or higher in a quantitative field (Statistics, Mathematics, Computer Science) or equivalent experience
Experience & Technical Skills
Mandatory
~5+ years of experience in data science and predictive modeling
~ Expert in Python and Python data science libraries (scikit-learn, PyTorch, TensorFlow)
~ Expertise in customer journey modeling (e.g., next best action)
~ Strong knowledge of ML algorithms, statistics, and experiment design
~ Expertise in LLMs for text classification, summarization, and responsible AI practices
~ SQL, git, bash
Preferred
Incremental learning, uplift modeling
Marketing Mix Modeling and optimization under constraints
SAS, Streamlit
Soft Skills
Take ownership and drive projects end-to-end
Translate data insights into actionable business decisions
Quick learner, autonomous, analytical, and problem-solving mindset
Team player with clear and concise communication
Proactive and results-oriented
This is a high-impact opportunity to work on AI-driven predictive models within marketing and communication, collaborating with a team of experts and influencing campaign outcomes with advanced analytics.
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