Sephora Data Science Assistant Intern

Paris La Défense • France

Wednesday, October 15, 2025

Sephora, a distinguished entity within the LVMH conglomerate, is a global leader in the luxury beauty sector. Since its inception in 1969 in Limoges, France, and subsequent integration into LVMH in 1997, Sephora has continually redefined prestige beauty. With a presence in 35 countries and a workforce of 56,000, Sephora offers a diverse array of nearly 500 brands, including its own Sephora Collection, making it the most vibrant beauty community worldwide.

1. Develop and optimize machine learning algorithms such as RandomForest, XGBoost, and Generative AI.
2. Collaborate with business teams to ensure the adoption of machine learning solutions through monitoring and A/B testing.
3. Engage in one of the four priority areas: Product Recommendation, Client Scoring, Activity Forecasting, or Generative AI.
4. Utilize Sephora's data ecosystem, including DSS by Dataiku and Google Cloud Platform, to enhance algorithmic performance.
5. Analyze transactional, online, product, and stock data to support model development.

1. Enrolled in a Master's program (Bac +5) with a specialization in Data Science or Machine Learning.

1. Proficiency in machine learning techniques such as RandomForest, XGBoost, LightGBM, and LSTM.
2. Advanced knowledge of SQL and Python.
3. Experience with machine learning projects or participation in Kaggle challenges.
4. Familiarity with DSS by Dataiku and Google Cloud Platform is advantageous.
5. Organizational and dynamic work approach.
6. Proactive and innovative mindset with a curiosity for the latest machine learning advancements.

Beginner level experience in data science or related fields.

Master's degree in Data Science or Machine Learning (in progress).

The internship offers a hybrid working model, allowing for a blend of remote and on-site work. Interns will be part of a diverse and inclusive community that values authenticity and teamwork. Opportunities for personal development and leadership are emphasized, with resources available for learning and innovation.

Sephora fosters a culture of inclusivity and diversity, celebrating individuality and collective growth. The company promotes personal development and leadership, encouraging employees to learn, innovate, and evolve within a supportive environment. Sephora's commitment to creating meaningful experiences and inspiring the beauty industry is reflected in its vibrant workplace atmosphere.