cover image
Back Market

Senior Data Scientist - AI Core

Hybrid

Paris, France

Senior

Full Time

08-12-2025

Share this job:

Skills

Communication Python Research Machine Learning Computer Vision Team Spirit Recruitment Proactivity Data Science NLP

Job Specifications

Hi, we’re Back Market.

We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.

Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.

Are you ready to join us?

Hi, we’re Back Market.

We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.

Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.

Are you ready to join us?

As a member of the Bureau of Technology, your mission will be to design, develop, and implement AI-driven solutions to enhance our marketplace. You will join our AI team, which functions as our Data Science & Machine Learning incubator, where we explore new AI applications and bring the most promising ones to production.

Currently, our primary focus is on utilizing generative AI at scale to address needs related to customer care (sentiment analysis, agent helping tools, etc.) and improving the management of our catalog.

Here is an overview of what we are currently doing:

https://engineering.backmarket.com/how-machine-learning-boosted-available-cash-flows-for-our-sellers-eddd697269fc
https://www.linkedin.com/posts/florianvaleye_generativeai-llm-ai-activity-7137833031997779968-CHLl?utm_source=share&utm_medium=member_desktop
https://www.linkedin.com/posts/florianvaleye_dataengineering-ai-largelanguagemodel-activity-7141117138756444160-fDDP?utm_source=share&utm_medium=member_desktop

What You Will Do

Own the results of high-impact projects covering problem definition, metrics development, data extraction and manipulation, implementation of analytical/statistical models and presentation to stakeholders
Identify company problems and opportunities that can be tackled through AI; develop evidence of the validity and utility of data science solutions (e.g. through prototypes or MVP); collaborate with relevant teams to design and build the product features that leverage it
Hands-on development, productionisation, and operation of machine learning models and pipelines at scale, including both batch and real-time use cases, structured and unstructured data
Contribute to the development of the AI community within the company by promoting best practices and sharing your work internally to raise awareness about AI capabilities
Regularly present work internally (demo, internal conferences,...) to technical, engineering and product stakeholders to acculturate the business to AI related topics

Your Background

At least 6 years of industry experience in data science or related fields, with a Master’s or PhD in a quantitative discipline such as Statistics, Economics, Sciences, or Engineering
Proven track record of leading impactful initiatives to develop data science products that solve business problems
In-depth understanding of the machine learning lifecycle, including best practices, algorithms and domains (e.g. time series prediction, NLP, computer vision and recommendation)
Strong coding skills in Python and familiarity with software engineering principles of testing, code review and deployment
Experience in designing, prototyping, scaling and launching data science products, with a focus on balancing execution, research and evolutionary design
Proven ability to mentor and develop scientists, engineers and peers
Strong communication skills to effectively convey complex technical concepts to audiences with varying levels of technical expertise
Curiosity, proactivity, humility and team spirit

Recruitment process:Call with our Tech Talent Advisor, to get a better understanding of your searchHomeworkTechnical interview with Romain, one of our Data Scientist and Vlad, one of our ML EngineersTeam Fit with Aurélien (Engineering Manager) and Anne Sophie (Group PM) Culturally Fit

WHY SHOULD YOU JOIN US ?

At Back Market, we’re committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives — it’s one of the reasons we’re such a high-scoring certified B Corp company (93.2).

Benefits

No matter your role and se

About the Company

Founded in 2014 by Thibaud Hug de Larauze, Quentin Le Brouster, and Vianney Vaute, Back Market is a global marketplace for premium refurbished electronics. We’re here to help make refurbished tech trustworthy, reliable, and affordable. As a certified B-Corp, Back Market’s mission is to do more with what we already have. Because, well, what we already have is pretty great. That’s why all the tech you find on Back Market is better than new — because not only is it in perfect working condition, independent scientific research... Know more