Job Opportunities in the Daphni Portfolio


Data Science & Machine Learning Intern

Back Market

Back Market

This job is no longer accepting applications

See open jobs at Back Market.
Software Engineering, Data Science
Paris, France
Posted on Thursday, January 18, 2024
Back Market is the world’s leading refurbished electronics marketplace with a team of 650 people, powering operations in 21 countries (and counting!).

Named one of the World's Most Innovative Companies by Fast Company in 2019 and again in 2021, our mission is simple: empowering people to consume tech sustainably by offering folks a high quality, accessible, and more eco-friendly alternative to buying new electronics. Why? Refurbished tech helps lower our collective environmental impact . We have indeed contributed to avoid the production of more than 1,000,000 tons of CO2e worldwide since our launch in 2014.

Be part of an exciting and growing international adventure that will change the way the world consumes tech.

Join our Bureau of Technology as an intern and become a part of the innovative BackBox team. Our team is the Data Science & Machine Learning incubator that spearheads the exploration and industrialization of cutting-edge AI use cases. We are dedicated to pushing the boundaries of technology to enhance our business operations and customer experience.

The Data Science Intern will be immersed in a dynamic environment where they will tackle a variety of projects with the potential to significantly impact our business.

Your mission (If You Accept It):

  • Explainability of Machine Learning Models: Investigate the influence of business features on the defective rate of our products, providing insights to help sellers enhance quality.
  • Generative AI: Fine-tune an open-source Large Language Model (LLM) to reflect the unique Back Market tone of voice and benchmark its performance against existing solutions.
  • Customer Reviews Analysis: Measure the effect of customer review scores on repurchase rates and determine their significance within the BackBox algorithm.
  • Business Monitoring and Analysis: Develop reports on key roll-outs, such as the integration of new KPIs (e.g. seller cancellation, delivery promise) and conduct impact analysis on innovative projects like Deferred Payout, BuyBack, or CCBM planning.

You’re at the right place if :

  • Mandatory! : Currently enrolled in your last year of an Engineering or Business School/University with a robust mathematical foundation (Master’s degree).
  • Specialization in Data Science, Machine Learning, or Artificial Intelligence.
  • Good skills in Python programming language.
  • Demonstrated interest in Machine Learning through student or personal projects.
  • Detail-oriented / scientific rigor.
  • Ability to work in an international environment
  • You are fluent in English.

About the internship :

  • Ideal starting date is March/April 2024
  • Duration : 5 to 6 months (until August/September 2024)
  • Full-time role (35h/week)
  • Location : Paris, France
  • Contract : You can have an internship agreement provided by your French current school.

What we offer:

  • The opportunity to work on real-world problems in a leading tech environment.
  • Exposure to advanced AI and ML projects with tangible business impacts.
  • A collaborative team of experts to guide your professional growth.
  • A vibrant office culture in the heart of Paris.
  • A competitive salary regarding to the market

Recruitment process:

  • Video-call Interview with the Talent Acquisition Specialist
  • Technical interview with Jaime & Pierre
  • Team fit interview with Aurélien


  • A meaningful job: through hard work, you will help avoid thousands of tons of electronic waste and fight against planned obsolescence. It counts!
  • An attractive salary, multiple benefits (meal tickets, health insurance, etc...), internal events, etc…
  • Be in an environment where you can make a difference: you will have the freedom to innovate and adopt new ideas!
  • A booming scale-up: our environment is rapidly growing in Europe, the USA and in Asia!
  • We embrace work life balance which includes flexible working hours and the opportunity to work from home.
  • A lot of fun: you will have the opportunity to work in a fast-paced, open-minded and friendly environment.

Back Market is an Equal Opportunity Employer for any minority, disability, gender identity or sexual orientation.

Back Market is helping to address one of the biggest challenges of our time: climate change. We take this so seriously that we were awarded status as a “Société à Mission”, or company with a social mission, by the French government. We know we can’t tackle a global problem without a globally representative team so we are committed to embedding diversity, equity and inclusion principles in every aspect of our organization. But more importantly, being One Loving & Free Spirited Tribe is in our DNA as it is one of the five foundational values of our company since we got started way back in 2014. We are committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives. We know our lofty goals cannot be reached unless everyone has a seat at the table along with the resources and opportunity to grow.

This job is no longer accepting applications

See open jobs at Back Market.