At Sephora, the business problem is to reimagine the future of beauty by empowering the Extra Ordinary in each customer, and the role of Senior Data Scientist – Personalization Data Science is to develop and implement ML and AI-based models to enhance client personalization decisioning, business use case automation, and optimization.
Requirements
- 5-7+ years of proven experience building and deploying machine learning models in production environments
- 5+ years experience with Databricks, Spark (or PySpark), and working with big data (preferred)
- 7+ years strong proficiency in Python and familiarity with data science libraries (Pandas, Scikit-learn, PyTorch/TensorFlow)
- 4+ years hands-on experience with Generative AI models, LLMs, or related deep learning architectures
- Deep Learning Frameworks: Proficiency with PyTorch, TensorFlow, or JAX, and SQL
- Model Deployment (MLOps): Skills in deploying and serving large-scale models, including knowledge of tools for model inference, monitoring, and scaling
- Understanding of Generative Architectures: Solid grasp of underlying principles of models like Transformers, diffusion models, and other architectures used in generative AI
Responsibilities
- AI Agentic Smart Orchestration (35%)
- Design, develop, and deploy intelligent AI systems for sophisticated content curation and business needs
- Integrate complex business goals (e.g., color consistency, freshness, placement frequency) into recommendation and placement awareness models
- Collaborate with business teams to translate strategic objectives into actionable data science solutions
- AI-Forward Model Development (35%)
- Lead research, development, and integration of Large Language Models (LLMs) into core systems
- Build and optimize MLOps pipelines to efficiently deploy trained models to various platforms
Other
- Strong Communication Skills: Ability to effectively communicate information and ideas to various stakeholders
- The annual base salary range for this position is $142,545.00 - $159,315.00
- Sephora offers a generous benefits package to full-time employees, which includes comprehensive health, dental and vision plans
- Sephora is an equal opportunity employer and values diversity at our company
- Sephora will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law
