Description du poste
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
POSITION AND MISSIONS
You join our Econometrics team within the Market & Counterparty Risk department who are looking for a Developer of econometric tools in Python, for an internship of 6 months from March/April 2026.
The tools for analysis, reconstruction of historical data or identification of outliers in time series are integrated into a common library developed in Python, made available mostly via a front-end using the steamlit framework.
Other features developed within the team for specific needs remain to be integrated into the global library, notably around topics of deviation calibrations-types, of regulatory KPI production or other impact reports from the weekly update of econometrics for VAR calculation.
In collaboration with your tutor, your main tasks will be:
Become familiar with existing tools (developed in R or Python) by reading the associated documentation and code.
Being a driving force for the integration of the team’s analysis tools into the global python library.
Create a common base in the form of a library including the features useful to the team in their daily tasks.
Perform post-migration consistency tests.
Possibly improve the code performance.
Document the different steps as well as create a modus operandi if new features are added.
Intervene on risk factors and market data for all asset classes (rate, credit, cash, foreign exchange, stocks, commodities).
#FinanceTransformative
As a Top Employer, we place our employees at the center of our attention.
Internal mobility, career development and training devices allow you to grow and flourish throughout your journey.
You evolve in an inclusive work environment, promoting 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 by working alongside experienced professionals.
You also have the opportunity to commit yourself in favor of society and causes that are dear to your heart through our corporate foundation.
You receive an internship allowance based on your training and level of education, also a refund of your transport ticket up to 60%, one day of authorized absence paid for each month worked and access to the company’s restaurant.
Required Skills/Qualifications/Experience
Student at the BAC+ level 4/5, you are preparing a university degree, from a business school or an engineering school, with a specialization in Market Finance or Risk.
You master the Python development language and ideally have notions in R.
You have an appetite for risk metrics in market finance (VaR calculation, statistical or economic calculations, financial products).
You have excellent interpersonal skills, a very good ability to listen.
You are curious, pragmatic, sensitive to the improvement of processes and proactive.
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 as well as your project.
