Internship - 6 months - Data Scientist/Generative AI F/H

Internship - 6 months - Data Scientist/Generative AI F/H

• Internship
• 20125
• Paris

Company Description

Natixis Corporate & Investment Banking is a leading global financial institution that provides advisory, investment banking, financing, corporate banking and capital markets services to corporations, financial institutions, financial sponsors and sovereign and supranational organizations worldwide.

Our teams of experts in close to 30 countries advise clients on their strategic development, helping them to grow and transform their businesses, and maximize their positive impact. Natixis CIB is committed to aligning its financing portfolio with a carbon neutrality path by 2050 while helping its clients reduce the environmental impact of their business.

As part of Groupe BPCE, the second largest banking group in France through the Banque Populaire and Caisse d’Epargne retail networks, Natixis CIB benefits from the Group’s financial strength and solid financial ratings (Standard & Poor's: A+, Moody's: A1, Fitch Ratings: A+, R&I: A+).

Job Description

You are joining our Finance Data Management & AI team, looking for a Data Scientist focused on Generative AI for a internship of 6 months starting in March 2026.

The Fins'AIght program is leading the transformation of the Finance department through 24 Data & AI use cases: documentary intelligence, automated reporting, anomaly detection, predictive modeling and Generative AI (LLMs, RAG, prompt engineering...).

In collaboration with your tutor, your main tasks will be:

• Process unstructured data (PDF, Word, PowerPoint, emails, CSV)
• Develop Generative AI prototypes (LLM, prompts, RAG pipelines)
• Build ML models (scikit-learn, XGBoost)
• Automate document generation/reporting with Python
• Contribute to the realization of Fins'AIght use cases
• Collaborate with Data Scientists, Data Engineers and Finance teams

#TransformativeFinance

You evolve in an international and inclusive environment, promoting collaboration with concrete missions and a real impact. We will accompany you throughout your experience to help you learn and develop your skills alongside experienced professionals.

You also have the opportunity to commit yourself in favor of society and causes dear to your heart through our corporate foundation.

In addition to an attractive internship allowance calculated according to your training and level of education, you benefit from reimbursement of your transport ticket up to 60%, one day of authorized absence paid for each month worked, and access to the company’s restaurant.

You will also have access to the works council according to your attendance time.

Required Skills/Qualifications/Experience

• Student at the Bac+4/5 level, preparing a degree (university, business school or engineering school) with a specialization in data science
• Very good command of Python
• Knowledge in Generative AI, LLMs, prompting, RAG
• Experience managing unstructured documents
• Experience with ML databases (scikit-learn, XGBoost)
• Knowledge in front-end development (HTML, CSS, JavaScript) and SQL is a plus
• Curious, communicative and enjoys working in a team
• Proactive and solution‑oriented mindset
• Interest in Finance
• Fluency in English
• Will be contacted by one of our recruiters before meeting business experts