Internship - 6 months - Quantitative Developer - F/M

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: A2, Fitch Ratings: A+,R&I: A+).

Job Description

• You are joining our Quantitative Research IT team within the Global Markets department, which is looking for a Quantitative Developer , for an internship of 6 months from November 2026.

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

• Participate in the redesign of a library of Pricing Equity Derivatives in C# by creating interfaces adapted to the needs of the library’s clients. You will work closely with the Quants and the Commandos;
• Define non-regression tests to ensure the proper functioning of the bookseller as it evolves;
• Provide support to users of the different interfaces of the library (C++, C#, Python, Excel).

#FinanceTransformative

You operate in an international and inclusive environment, fostering collaboration with concrete missions and a real impact. We will accompany you throughout your experience with us so that you can learn and develop your skills working alongside experienced professionals.

You also have the opportunity to commit yourself in favor of society and causes that are important to you through our corporate foundation.

In addition to an attractive internship allowance calculated according to your training and level of education, you will receive a 60% refund for your transport ticket, one paid day of authorized absence for each month worked, and access to the company restaurant.

You will also have access to the works council.

Required Skills/Qualifications/Experience

As a BAC + 5 student, you are preparing a degree (university, business school or engineering school), with a specialization in Market Finance. You are gifted with excellent writing, interpersonal, and analytical skills. And last but not least, you are perfectly fluent in English.

You will be contacted by one of our recruiters before meeting our business experts.

An ideal moment of exchange to highlight your personality and your project.