6 MONTH INTERNSHIP- Full Stack Developer internship- From September 2025 - Master 1/2 - 1 700 € month

Internship
Clichy
Salary: Not specified
A few days at home
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L'Oréal Groupe
L'Oréal Groupe

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Job description

FULL STACK DEVELOPER INTERNSHIP
COME AND LIVE THE L’ORÉAL EXPERIENCE

At L’Oréal, it’s your potential that makes all the difference.

We believe that it is the driving force behind everything: it manifests itself when you are authentic, is enriched when you act, and comes into its own when you realize the impact you have on the world. In a stimulating environment, it develops and allows you to push back to your limits.

L’Oréal, a global leader in beauty… and an incredible Tech adventure ? Absolutely !

Present in 130 countries, the L’Oréal group draws on over a century of beauty expertise to invent the future. With over 2000 tech talents, our ambition is clear: to become the #1BeautyTech company. Data, Digital, Cloud, Cybersecurity… join the movement and unleash your potential!

We are looking for a Full Stack Developer to join the Tech Accelerator team to deliver solution on strategic and high priority projects for the Group.

You will evolve in a favorable and stimulating environment:

  • Development of projects with many experts in their respective fields: Data Science, AI, Agility, Business experts, UX/UI, Data engineering, Big Data and Cloud architecture, DevOps & IaC
  • Diversity of Data (internal / external, structured or not) and missions (marketing, supply, retail, R&I …)
  • Diversity of tech stacks: GCP, Terraform, Node JS, React JS, Python …
  • Capacity and dedicated time to identify and test new approaches, technologies and tools

Missions:

L’Oréal is in a period of growth in digital and is building dynamic and multidisciplinary teams from different backgrounds to deliver on our exciting mission to accelerate the company Beauty Tech transformation. In this context, L’Oréal has launched a Tech Accelerator, a brand-new structure contributing to transform L’Oréal into a Beauty Tech through the acceleration of strategic deep tech projects at scale. With 3 hubs in Paris, New York and Shanghai, it is a structure blending rare resources, state-of-the-art technologies & methodology to enable our best talents to deliver the most value.
  • Define the different web tech stacks & make sure of their implementation.
  • Implement new web features on different projects with our project teams
  • Implement Google analytics & google tag manager to monitor our web product usage
  • Test the code: unit tests, functional tests

In the Tech accelerator you will be joining the tech team, to design, build & maintain the different web solutions build for our use cases. As a Full stack developer, you will:
  • Implement APIs, usable UIs; contribute to their design with the UX teams & POs
  • Trigger events in order to be able to analyze the user flow and user experience
  • Test features in order to reduce regressions and the number of bugs
  • Contribute to the definition of the web stack templates & make them evolve

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