Applied Machine Learning Internship
Crossing Minds Recruiting
Apply to this job Paris on site Until 8/23/2026 First posted March 22, 2025 Last posted March 22, 2025
Job description
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.
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.
What you should have
- 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)
- 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
Optional
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.
About this role
Summary
Develop machine learning models and solutions for recommendation systems in a collaborative team environment.
Job title
Applied Machine Learning Internship
Experience level
entry level
Industry
artificial intelligence
Location requirements
Paris, remote work not specified
Salary
Not specified
Management role
No
Skills & keywords
Required skills
pythonnumpypandasdata explorationmodel tuningfeature engineering
Preferred skills
recommender systemsgitsoftware developmentcustomer-facing
Specializations
machine learningrecommendation systemsdata analysismodel training
Locations
Structured locations inferred from the posting.
Paris, France
On-site City
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