Senior Ruby On Rails Developer

PrepMyFuture — France, FR
Published on

About the Company

Learnation Group is a major player in the field of digital language learning, born from the merger of four leading companies: Educastream, 1to1Consulting, 7Speaking, and PrepMyFuture. Our ambition is to become a European reference in the EdTech sector. With over 20 years of expertise, we believe that digital technology accelerates access to learning for the greatest number, enhances skills development, and complements traditional educational methods with quality and efficiency. Our clients include some of the world’s leading companies and universities (EDF, EDHEC, Polytechnique, Amazon, Deloitte, and more), and our e-learning platforms are used by tens of thousands of learners worldwide each year, especially in the B2B sector. Learnation Group brings together a multilingual and multicultural team of 150 employees and over 300 trainers, combining expertise in educational and technological innovation, large-scale skills development programs, and learning journey management.

About the Role

We are looking for a Mid-Level Fullstack Ruby on Rails Developer (minimum 4 years of experience) to strengthen our small, agile team. You will work on a combination of new feature development, maintenance, and platform evolution for an international e-learning platform.

Your Missions

  • Develop, maintain, and evolve our Ruby on Rails platforms.
  • Contribute to the modernization of the frontend stack (migration to React is under consideration).
  • Ensure the scalability and reliability of our systems.
  • Work closely with the Lead Developer and Product Manager/Owner.
  • Implement and maintain solid test coverage (>25%).
  • Contribute to code quality, architecture best practices, and monitoring.

Tech Stack

  • Frontend: HTML5, Javascript, Ruby on Rails.
  • Backend: Ruby on Rails.
  • CI/CD: GitLab, GitLab CI.
  • Monitoring: ELK stack, Sentry, New Relic.
  • Others: AWS, Heroku, Sidekiq, Figma, ClickUp, Docker.

Profile

  • Minimum 3/4 years of experience in fullstack development.
  • At least 2 years of experience with Ruby on Rails.
  • Comfortable working in Agile environments.
  • Solid experience writing unit and functional tests (targeting >50% coverage).
  • Autonomous, detail-oriented, and comfortable with remote collaboration.
  • Full-time freelance mission.
  • Initial 3-month period, renewable (3 months → 6 months → 1 year renewable). Full-time commitment (5 days/week).
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