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 dEpargne retail networks, Natixis CIB benefits from the Groups financial strength and solid financial ratings (Standard & Poor's: A+, Moody's: A2, Fitch Ratings: A+,R&I: A+).

Job Description

You will join the Data & Innovation team, which is seeking a Data Science Assistant for a 1-year apprenticeship starting in September 2026.

In collaboration with your tutor, your main responsibilities will include:

• Working with various team members on ongoing AI projects within CIB; 

• Proposing improvements to existing projects; 

• Sharing and helping to understand and adopt AI by business lines.

You will work in an international environment, within a community of experts who place excellence, impact, and collective action at the heart of everything they do.

#FinanceTransformative

You will thrive in an international and inclusive environment that fosters collaboration with concrete missions and real impact. We will support you throughout your experience with us so that you can learn and develop your skills while working alongside experienced professionals.

You also have the opportunity to engage with our corporate foundation to support societal causes you care about.

In addition to an attractive salary calculated based on your education and level of study, you will benefit from 60% reimbursement of your transportation pass, paid leave, access to the company restaurant, as well as health and provident coverage.

You will also benefit from profit-sharing and/or participation schemes pro-rata to your time spent with us.

You may also have access to the works council, depending on your time with us

Required Skills/Qualifications/Experience

Student Bac+5 level, you are pursuing a university, business school, or engineering school degree with a specialization in computer science or applied mathematics. You have a strong command of Python, C#, and machine learning frameworks like TensorFlow and PyTorch.
You have experience in SQL and cloud computing. Y
ou must be capable of developing AI models, with a focus on Large Language Models (LLMs), generative AI, and Retrieval-Augmented Generation (RAG) systems.
You have expertise in Natural Language Processing (NLP) and computer vision.
You also have the ability to work in a team to foster innovation and collaboration.
For a better review of your application, please indicate on your CV the type of contract (apprenticeship or professionalization) offered by your school, as well as the work-study schedule.