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Machine Learning Engineer - Internship (6 months) - September, 2025

Join Prose, a leading DTC beauty-tech brand, as a Machine Learning Engineer Intern. In this role, you will contribute to enhancing our recommendation system, gaining hands-on experience in applied machine learning within a dynamic e-commerce environment. You will also participate in regular team tasks, allowing you to gain comprehensive experience in a collaborative engineering environment.

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Permanent contract
Paris
Salary: Not specified
Key missions

Contribuer à l'amélioration des composants de notre moteur de recommandation pour fournir des suggestions de produits plus pertinentes.

Participer à la construction d'un modèle de recommandation et à l'intégration de ce modèle dans nos processus.

Participer aux tâches quotidiennes de l'équipe, telles que les mises à jour des algorithmes de formulation, la mise en œuvre de nouvelles fonctionnalités et la maintenance du service.

Prose
Prose

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The position

Job description

Our Mission

At Prose, we don’t believe in “one-size-fits-most.” We create custom beauty that’s inclusive to all hair & skin types, needs, and preferences. Each of our beauty products are customized to a person’s needs based on the results from an online consultation. The individual data is processed through a proprietary algorithm and made-to-order in the Prose lab using natural active ingredients. Marrying emerging technologies with the best in beauty, Prose is truly creating something special.

This is the opportunity to join a major DTC beauty-tech brand and an energetic team that works together to deliver creative solutions that are transforming the way people think about and shop for personalized beauty. We’re looking for talented problem solvers who lead with passion and who face any task with a positive mindset.

Position Summary

At Prose, we create custom formulations tailored to each customer's unique needs. Our cart recommendation represents a valuable touchpoint in the customer journey—an opportunity to enhance both the shopping experience and business performance.

Enhancing our recommendation system is a key priority in our product evolution strategy. As a Machine Learning Engineer Intern on our Algo Team, you'll contribute to improving components of our recommendation engine to deliver more relevant product suggestions to our customers. This role offers hands-on experience in applied machine learning within a dynamic e-commerce environment where your contributions will have a visible impact.

Additionally, you will participate in regular team tasks such as formulation algorithms updates, new features implementation and service maintenance, allowing you to gain comprehensive experience in a collaborative engineering environment.

Key responsibilities

  • Build a recommendation model & all useful metrics to assess its performance
  • Integrate and deploy this model & metrics in our processes to automatically update our data warehouse
  • Contribute high-quality, maintainable code with a focus on production-readiness and efficiency.
  • Take part in team daily tasks such as formulation algorithms updates, new features implementation and service maintenance
  • Participate in comprehensive peer-reviews, continuous integration, and automated testing to ensure the reliability of models.
  • Able to communicate effectively to stakeholders

Key Candidate Requirements

  • You love algorithms and new technology. You are also a great team worker and a great communicator in French and English.
  • Experience with Python, along with common libraries such as pandas / scikit-learn
  • A knack for writing clean, readable and maintainable code
  • Knowledge of recommendation systems / GCP is a plus
  • Eager to implement automated functional / unit tests and documentation
  • Proficient with Git, a Unix shell, an editor (or IDE) and all others day-to-day developer tools

Perks & Benefits

- Paid internship- Lunch voucher (Swile card)- 50% reimbursement of the Navigo pass- A very good atmosphere fueled by numerous events such as team-building days or board game evenings...

Prose Values

Intentional Inclusivity

We believe the best ideas arise from open minds and active listening. While our products focus on individuals, we welcome community input and value diverse backgrounds, fostering open communication as a key to innovation.

Connected Collaboration

Our strength lies in collaboration across our global offices. We trust each other to pursue common goals, embracing teamwork that leads to success even without full consensus.

Driven, Together

We prioritize ownership and coaching to inspire creative thinking among employees, viewing everyone as a leader accountable for their contributions. Our open environment encourages new ideas.

Humanity Always

We approach interactions with good intentions, aiming to create a positive atmosphere through kindness and authenticity. Our commitment to sustainability benefits our people and the planet.

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