Junior Data Scientist – Data & AI (F/M) – 6-month CDD

Natixis; Paris; Hybrid; EUR 40,000 - 55,000; Full time

Job summary

Natixis is seeking a Junior Data Scientist to join the Solvency Metrics team in Paris for a 6-month fixed-term contract. The role focuses on ALM, liquidity and solvency indicators, and supports the automation and AI-driven enhancements across risk, finance and IT collaborations.

You will work in an international setting with a hybrid Paris-based arrangement, including remote work options. You will develop prototypes, prepare data, and present findings to stakeholders while documenting methods

Qualifications

• Higher education in data science, computer science, mathematics, engineering, or finance.
• Initial experience in similar positions.
• Fundamentals of data science and machine learning.
• Data preparation, analysis and visualization.
• Python and SQL.
• Big Data tools.
• Proficient in English with a B2 level.

Responsibilities

• Identify opportunities to apply AI, data science and automation to existing processes.
• Collect, explore and prepare data, evaluating quality and relevance.
• Develop and test prototypes using Python, SQL and Excel, contributing to ML and Big Data projects.
• Present analyses and results to technical and non-technical stakeholders and assess usefulness.
• Document analyses, code and methods; collaborate with business and IT teams.

Skills

Python

SQL

Data science fundamentals

Big data tools

Data visualization

Education

Data science / CS / engineering / finance degree

Job description

Junior Data Scientist – Data & AI (F/M) – 6-month CDD

• Fixed Term Contract
• 22381
• 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: A2, Fitch Ratings: A+,R&I: A+).

Job Description

You are joining the Solvency Metrics team of the Metrics Calculation & Reporting (MC&R) department as a junior data scientist. The department is responsible for calculating ALM, liquidity and solvency indicators, as well as producing the associated reporting. Within this department, the Solvency Metrics team contributes to the calculation and certification of RWA and stress tests, as well as partly to the calculation of the economic capital of the Natixis Group. It also studies the possible contributions of artificial intelligence, data science and Big Data to its activities.

On a daily basis, your tasks are to:

• Identify opportunities to apply artificial intelligence, data science and automation to existing processes;
• Collecting, exploring and preparing data, while assessing their quality and relevance;
• Develop and test prototypes using tools such as Python, SQL and Excel, and contribute to machine learning, statistical analysis and Big Data projects;
• Present your analyses and results to technical and non-technical stakeholders, and assess the accuracy, usefulness and limitations of the proposed solutions;
• Document the analyses, code and methods, and collaborate with business and IT teams to study the possibilities for developing and integrating prototypes.

As a junior Data Scientist, you contribute to transforming the operational needs of the team in real-world use cases, in connection with risk, finance, business and IT teams. You also participate in monitoring developments in artificial intelligence and data science, as well as their potential applications in financial services.

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

#Transformations Finance

This position is based in Paris, with the possibility to work from home.
We are proud to be certified as a Great Place to Work 2026!
Join us to express your potential in an environment of trust and collaboration where your ideas have a real impact.

We place our employees at the center of our attention. Internal mobility, career development and training programs allow you to grow and flourish throughout your journey.

You work in a hybrid, inclusive and collaborative work environment. You also have the opportunity to commit yourself in favor of society and causes that are important to you through our corporate foundation.

Required Skills/Qualifications/Experience

About you: If this is your description, you’re made to work with us!

With a higher education in data science, computer science, mathematics, engineering, or finance, you have initial experience in similar positions.

You master:

• The fundamentals of data science and machine learning;
• Data preparation, analysis and visualization;
• Python and SQL;
• The steps of an AI use case, from business needs to testing and presentation;
• Big Data tools.

You have a good relationship, communicate clearly, and appreciate collaborative work. You are:

• Curious;
• Proactive;
• Able to adapt to different interlocutors.

You are proficient in English with a B2 level.