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+).
You are joining our team, which is looking for a Assistant Quant Economiste / Data Scientist, for an internship of 6 months fromAugust 2026.
In collaboration with your tutor, your main tasks will be:
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Quantitative modelling and forecasting : Participate in the design, backtesting and deployment of forecasting models (Nowcasting / Forecasting) applied to key macroeconomic indicators, including GDP, inflation and European residential property prices.
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Development and programming : Design and optimize codes in Python and R to automate the collection, processing (data cleaning) and analysis of large databases (macroeconomic and financial time series).
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Methodological research : Explore and implement innovative methodological approaches (e.g. classical econometric models such as VAR/ARIMA, factor models, or machine learning approaches adapted to time series).
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Document monitoring and data analysis : Identify new alternative data sources (high-frequency data, web scraping, etc.) to improve the accuracy of current models.
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Valuation of results : Participate in writing synthetic research notes and creating graphical decision support visualizations for team economists and bank clients.
#Transformative finance
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 engage 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 benefit from a reimbursement of 60% of your transport ticket, one paid day of authorized leave for each month worked, and access to the company’s restaurant.
You will also have access to the works council.
As a BAC +4/5 level student, you are preparing a degree (university, business school or engineering school), with a specialization in Statistics, Econometrics, Data Science or Quantitative Finance.
You are proficient in Python (pandas, scikit-learn) and/or R for modeling.
You have a solid foundation in time series econometrics (ML is a plus).
You can easily handle Bloomberg, Macrobond, Datastream or Eurostat databases.
You are familiar with the Office Pack.
You are autonomous, rigorous, punctual and proactive.
You have excellent communication skills and a taste for teamwork on projects.
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.
