Senior Data Scientist

Responsibilities

• Design, build and maintain machine learning models for predictive, classification and optimization use cases aligned to business priorities.
• Lead model training, hyperparameter tuning, evaluation and experiment tracking to ensure reproducibility and performance comparability.
• Engineer and select features using statistical and domain knowledge to improve model outcomes.
• Implement monitoring for model performance and data drift; define retraining triggers and schedules in collaboration with MLOps and platform teams.
• Ensure fairness and bias mitigation across models; perform subgroup audits and bias checks.
• Integrate models into production pipelines working closely with Data Engineers, MLOps and Product Managers; document and version models and experiments.
• Apply generative AI and NLP techniques (LLM fine-tuning, embeddings, retrieval-augmented generation) for conversational and text use cases.
• Quantify model value by linking outputs to business KPIs (time saved, accuracy improvements, revenue impact).

Requirements

• 5-7 years
• Python
• Machine learning
• Feature engineering
• MLflow
• Weights & Biases
• Azure ML
• GCP Vertex AI
• MLOps
• Model monitoring
• Statistical validation
• A/B testing
• LLM fine-tuning
• Drift detection

Preferred Qualifications

• Master's or PhD in Computer Science, Statistics, Engineering or related field.
• Experience in retail or e-commerce analytics and customer-facing ML products.
• Production ML deployment experience with containerization and CI/CD.
• Familiarity with fairness frameworks and bias mitigation techniques.
• Experience with large-scale data, time-series modelling and experimentation frameworks.

Benefits

• Competitive health insurance and family medical coverage.
• Education allowance contribution for children.
• Annual leave and paid leave policies.
• Flexible and remote working options.
• Employee discounts and internal mobility opportunities.

About the Company

Chalhoub Group is a leading partner for luxury in the Middle East, operating across retail, beauty and lifestyle with a portfolio of owned brands and global partnerships. Headquartered and operating in the UAE, the Group combines omnichannel retail, innovation and sustainability initiatives and employs thousands across the region. The Data, Analytics & AI team drives AI-led initiatives to improve customer experiences and operational excellence across the business.