Front End Developer - React

Side is hiring!


Our mission is simple and ambitious: to change and disrupt the experience of temporary work.

Side is building the best flexible work platform allowing the fastest growing companies to select and work with great candidates vetted by Side. Every month, thousands of candidates and companies - like Sephora, Levi's, Etam, E.Leclerc - are using Side on regular bases for short term or temporary work.

Since our launch over 3 years ago, we have grown fast and are now managing thousands of tasks every month in France. We are based in Paris and operate also in Lyon, Lille, Aix-en-Provence, Marseille, Bordeaux, Nantes. We are opening new cities every month to bring Side to as many people as possible. We are now 70+ in the team and are looking for talented and ambitious people to help us grow fast and take care of our Siders and companies.

We have raised a total of 6.3M in Seeds and Series A funding. We are supported by Connect Ventures (UK investors in Citymapper, Typeform), Xavier Niel (Free), Jacques-Antoine Granjon (Vente-Privée), Aglaé Ventures (French investors in Spotify, Airbnb), Fly Ventures (German investors), The Family and outstanding Business Angels.

Job Description

About the role
To support the growth of our business across France, Side is seeking an experienced React developer to join our team.

Your mission? Use your React experience to push our web applications to the next level. Improve our libraries and bring reusability and consistency to our various front-ends, from React web apps to React-Native hybrid mobile applications. Use your integration skills to bring responsiveness and lightness throughout the different projects you’ll be working on.

What we need your help with

  • Own and improve our existing front-end guidelines
  • Leverage React advantages by creating our components library (along with our designers)
  • Unify and refactor our codebase through the components library usage
  • Implement clear CI / CD process and coding guidelines for React projects
  • Adopt and deploy a front-end test framework
  • Evangelise front-end integration basics as an habit
  • Ensure cross browser compatibility & testing

Preferred Experience

Who you are

  • You have advanced knowledge of building cross-browser and responsive web apps
  • Advanced knowledge of HTML5 and CSS3 (and preprocessors)
  • Knowledge of React / Redux (early adopter of React)
  • Knowledge of package management tools (library mgmt) npm / Yarn
  • Proficiency in writing React applications from scratch
  • Having a testing mindset: unit tests, code reviews, functional tests, etc.
  • Comfortable with peer-coding, code-reviews, etc.
  • Experience in UI/UX & communication with design


  • Knowledge of the React Native side of the force
  • Experience / understanding of back-end development
  • Working knowledge of task runners

Additional Information

  • Contract Type: Full-Time
  • Location: Paris, France (75008)
  • Education Level: Bachelor's Degree
  • Experience: > 3 years
  • Salary: between 42000€ and 55000€ / year