Stage - Data Scientist F/M

Betclic Group; Bordeaux; On-site; EUR 10,000 - 13,000; Full time

Benefits offered by this job

Ticket Restaurant

Transport reimbursement

Rooftop office

Job summary

Betclic Group in Bordeaux is seeking a motivated Data Science Intern to push the boundaries of ML, building models that power our betting and gaming platforms. You will work within a tight-knit squad of data scientists and collaborate with data engineers, product owners and analysts to deliver impactful, interpretable solutions.

You will gain hands-on experience with production-ready models, forecasting, and fraud/detection use cases, while developing communication skills to explain complex

Qualifications

• Pursuing or recently completed Master’s in Data Science, Statistics, Applied Mathematics, or related field.
• Strong analytical skills with rigor, autonomy, and ability to synthesize insights.
• Proficient in Python and have a good understanding of SQL.
• Desire to grow in communication and presentation of complex models.

Responsibilities

• Work on Implicit score optimization and content-based model fine-tuning for Casino app personalization.
• Explore forecasting approaches for horse racing to guide business decisions.
• Contribute to Fraud Classification/Detection and Identity document validation.
• Collaborate with Data Scientists, Product Owners and business teams to align models with operational needs.

Skills

Python

SQL

Education

Master's degree in Data Science / Statistics / Applied Mathematics

Tools

XGBoost

LightGBM

Deep learning frameworks

Job description

WE ARE BETCLIC

Betclic, European leader in sports betting, is much more than just an online gaming site! Also offering Poker, Horse Racing, and Casino games across various countries and continents, it is an inspiring and forward‑thinking company: every day brings new challenges in a modern and dynamic environment. As an influential player in the tech industry, with strong and sustained growth over the years, we believe in innovation through diversity and inclusion and encourage everyone to reach their full potential. With our multicultural team, we provide an optimal, safe and responsible gaming experience, powered by cutting‑edge technology.

WHY JOIN US?

At Betclic, success comes from passionate and committed teams. Here’s why you’ll love working with us:

An international and creative environment where every project is an opportunity to innovate

Hypergrowth that brings new challenges and development opportunities every day

A healthy work-life balance: flexible remote work and workplace well‑being are essential pillars for us.

A unique and friendly atmosphere, with 1,600 employees across 5 countries and our headquarters in Bordeaux

Are you passionate about sports and tech? Join us and help shape the future of online gaming!

ENTER THE GAME

We are looking for ambitious and creative minds to push the boundaries of Data Science at Betclic.

Our Data team has already reached a high level of maturity: dozens of models and solutions are running live in production, powering our application and shaping decisions across every department of the company. This is your chance to join a team where Data is not a side support, but a real game changer at the heart of our product.

You will be part of a squad of 9 passionate Data Scientists, working closely with Data Engineers, Product Owners, Data Analysts and MLOps experts. Together, we build, scale and maintain cutting‑edge data products that directly impact millions of users.

YOUR ROLE WITHIN BETCLIC

As a Data Science Intern at Betclic, you will have the opportunity to contribute to some of our most impactful projects. You will work on real‑world challenges where advanced modeling meets business needs, with a strong focus on interpretability and clear communication of results.

Your missions will include:

• Working on Implicit score optimization and content based model fine‑tuning to improve recommendation systems in Casino app, with a focus on personalization performance, evaluation metrics, and model interpretability for business stakeholders.
• Exploring forecasting approaches and strategies for horse racing, enhancing player experience and helping business teams plan and optimize key decisions.
• Working on generic use cases: Fraud Classification/Detection, Identity document validation.
• Collaborating with Data Scientists, Product Owners and business teams to align models with operational needs and ensure results drive measurable impact.

This internship will give you the chance to explore a variety of topics in applied Machine Learning, while contributing to projects with direct business relevance.

WHO WE ARE LOOKING FOR

We are looking for curious, passionate and collaborative people who enjoy solving problems and working in a dynamic environment. This internship is for you if you:

• You are currently enrolled in or have recently completed a Master’s degree (or equivalent) in Data Science, Statistics, Applied Mathematics, or a related field.
• Have strong analytical skills, with rigor, autonomy, and the ability to synthesize insights.
• Are proficient in Pythonand have a good understanding of SQL.
• Want to grow your skills in communication and presentation, making complex models easy to understand.

Nice to have:

• Previous exposure to recommendation systems, forecasting, or customer analytics.
• Familiarity with libraries such as XGBoost, LightGBM, or deep learning frameworks.
• An interest in sports or gaming industries is appreciated, but not required.

WHAT ARE THE RECRUITMENT STEPS?

If your application is selected, Maxime will contact you within a week for a short HR pre‑screening (15 minutes). You will then meet your future supervisor and our Chief Data Officer (CDO), Iouri. Finally, you will have a closing HR interview to officially welcome you. To provide the best candidate experience, the Betclic recruitment process usually takes 4 to 6 weeks.

WHAT CAN YOU EXPECT?

• A Ticket Restaurant® card credited with €10 per day (50% funded by Betclic)
• 50% reimbursement of public transport costs or a sustainable mobility allowance (€200 per year)
• Extraordinary office space with a rooftop overlooking the Cité du Vin in Bordeaux
• Internal events to brighten up your day-to-day life
• Free sports classes on-site

And most of all, the opportunity to work in a young, fun, and vibrant atmosphere!

6 months paid internship starting in February 2027 – Based in Bordeaux

Betclic Group – 117 Quai de Bacalan, 33300 BORDEAUX

All our positions are open to people with disabilities.