Crossing Minds42mo ago

Applied Machine Learning Internship

France·ParisFull-Time Localentry

Data ScienceMachine LearningData & AI

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Quick Summary

Overview

Crossing Minds is an artificial intelligence company founded in 2017 by AI researchers Alexandre Robicquet, Dr. Emile Contal, and Google X founder Dr. Sebastian Thrun. While researching together, they realized there was a more thoughtful way to make recommendations.

Technical Tools

numpypandaspythonmachine-learning

While our founding team includes world-renowned AI pioneers and experts, our company exists because we believe that the latest advancements in machine learning shouldn’t be locked up in academia. Instead, they should be accessible through safe and concrete products built for everyone.

Crossing Minds raised $10 million in October 2021 and is the only AI recommender system backed by Shopify. Our customer roster includes companies such as Brut, Chanel, Camp, and Reelgood. We are now in a new growth stage with a team of 30 members and are excited to continue developing talent in our San Francisco, Paris, and Toronto offices.

We seek an applied machine learning engineer intern to join Crossing Minds’ Paris office.

As part of the applied machine learning engineering team at Crossing Minds, you will work with other engineers on the team to unlock the value of recommender systems for our customers. You will develop solutions to challenging machine learning problems by exploring datasets, training models, and delivering great recommendations to our customers. You will contribute to directly impacting not only the business success of our customers but also millions of people around the world in their discovery of items better tailored to their tastes.

Applied machine learning engineers are also critical contributors to the evolution of our core recommendation platform. Each customer, each dataset, and each model offers a unique learning opportunity to improve our tech stack, allowing us to deliver the best recommendations with the least effort.

Proficiency in Python, NumPy, and pandas libraries

Data-oriented problem-solving skills: exploration, visualization, features extraction, and model tuning

Understanding Machine Learning models: objective functions, regularization, gradient descent, optimization techniques, the curse of dimensionality, etc.

ML feature engineering (e.g., tokenization, pre-processing and aggregation, pre-trained embeddings)

Optional

Experience with recommender systems in the form of an internship, course, or personal project

Experience with software development practices, including git proficiency, design patterns, and contributing to large code bases

Experience as a Machine Learning Engineer in a professional setting

Experience in customer-facing roles

Our company-wide communication language is English (written & spoken).

We would appreciate if you could send us your application’s content (CV, cover letter) in English.

This internship is a pre-hire position, and our goal would be to see this internship convert into a full-time position.

The Crossing Minds team prides itself on our team culture and values. Our differences are valued, and our authenticity is celebrated. We are committed to nurturing an environment of mutual respect where equal employment opportunities are available to all.

Location & Eligibility

Where is the job

Paris, France

On-site at the office

Who can apply

Listed under

Worldwide

Listing Details

Posted: November 29, 2022
First seen: March 26, 2026
Last seen: June 3, 2026

Posting Health

Days active: 68
Repost count: 0
Trust Level: 23%
Scored at: June 3, 2026

Signal breakdown

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Crossing Minds

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Crossing Minds is an innovative company specializing in AI-driven personalization and recommendation engines, aimed at transforming complex datasets into meaningful insights.

Employees

Founded

2016

Domain

Jobs

External application · ~5 min on Crossing Minds's site

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