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Ruby on Rails Developer

Ruby on Rails Developer

Ring Twice is looking for an outstanding Ruby on Rails Developer (CDI) to join our beloved team in Brussels (Central station) as from whenever we find our little nugget.

If you’re ready to work in a fast-growing start-up and want to work side by side with a passionate team, we can’t wait to meet you!

Ring Twice is a web start-up active in the sharing economy founded in 2013 by 3 young entrepreneurs, which raised more than 1M€. Today, the team is composed of 26 young motivated members, fully dedicated to bringing people closer together, one job at a time.

Ring Twice has launched a new way to provide services and make daily tasks carried out in an easy, fast and interactive manner through a web application with more than 400.000 users. Ring Twice is a marketplace where we allow our users to find trustworthy people in their neighborhood, ready to share their talents and passions to give them a hand (gardening, assembling IKEA furniture, piano classes, taking care of the dog during the holidays,…).

  • Improve Ring Twice’s back-end features and stability
  • Participating in Code Reviews & Pair Programming to ensure the quality, maintainability of the code and knowledge sharing
  • Monitor performance and bugs in order to guarantee a unique experience to our users
  • Participate in the development of internal tools
  • Challenge, implement and demonstrate the new features being part of an agile team

Technical environment

  • Web Back-end: Ruby on Rails
  • Web front-end: ReactJS, HTML 5 (HAML & SLIM), CSS 3, Sass, etc.
  • Mobile App Back-end: Ruby on Rails API
  • Mobile App Front-end: React Native
  • Database: Postgres, Memcache
  • Infrastructure: Heroku, AWS, Cloudfront
  • Team: Scrum, Git, Github
must have requirements
  • You have at least 3 years of experience with Ruby and/or Ruby On Rails
  • Understand the importance of building structured code that is fast, reliable and robust
  • Experience with automated testing (unit/integration/feature tests) (RSpec)
  • Strong software architecture & data modeling skills
  • Strong knowledge of data structures, design patterns, and software engineering best practices
nice to have requirements
  • You have some DevOps experience & affinity
  • You have experience with a Javascript framework (eg. ReactJS)
  • You are not afraid to learn different technologies
We offer


Working at Ring Twice is different each day. Don’t expect to do the same all over again. Working at Ring Twice is more than a job. Do we dare to say it’s almost like a lifestyle? Naaah. But yes. 

  • 🚀 You’ll be a key employee in a fast-growing and exciting start-up
  • 💪 You’ll have a real impact on the company’s growth and evolution
  • 📢 Open and transparent company culture
  • 🐟 Your own fish in the aquarium 
  • 🍻 Weekly company happy hours - remotely for the moment
  • 🎮 Fifa tournaments during lunch time (we have our X-box, we dare you to challenge our CEO!)
  • 🎂 Celebrate two birthdays: your real birthday and your Ring Twice-birthday! Double cake! 
  • 👩‍⚕️ Health insurance 
  • 💰 Competitive salary package


To be considered for this position it is crucial that you have knowledge of the following languages
  • Read B2 Upper intermediate
    Write B2 Upper intermediate
    Speak B2 Upper intermediate


The following languages are optional but are considered a plus.
  • Read C1 Advanced
    Write C1 Advanced
    Speak C1 Advanced
  • Read C1 Advanced
    Write C1 Advanced
    Speak C1 Advanced
minimum required Education
Required work experience in years
3 or more years
Employment type
Contract type
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