Ruby Backend Developer (f/m) / CareerFoundry GmbH

Ruby Backend Developer (f/m) / CareerFoundry GmbH
CareerFoundry GmbH

As a Ruby Backend Developer, you will not only do development but also have the opportunity to envision and build the best online mentored course platform for people wanting to learn tech skills. Our team works on something that matters: With our training, we help people get better careers, a better perspective on their future and a higher pay. 98% of our graduates find new jobs.

Your Mission

Your mission is to plan and execute test-driven development across the entire product. You are also maintaining a degree of product quality through maintenance and performance monitoring of the site. As part of the development team, you will participate in the technical decision-making process. Using practices like pair programming, you will work closely with other developers, sharing your knowledge and learning from others.

Outcomes for this year

Main outcomes in 2018 for the whole developer team potentially include but are not limited to:

  • Building algorithms to help understand and predict our user’s needs and behavior
  • Rebuilding our admin backend displaying smart statistics about our users
  • Rebuilding the backend for our real-time communication platform
  • Modernizing our codebase using service-oriented architecture
  • Separating the backend from the frontend and serve the backend as an API
  • Refactoring code and improving the application’s test coverage
  • Upgrading the platform from Rails 4 to Rails 5

    What you get:

  • The company provides a yearly education budget for each employee to learn new skills
  • We work in an Agile work environment where it’s encouraged to experiment and fail fast
  • We give out competitive Equity Share and salary for every employee
  • You get to enjoy all the benefits of German health insurance and other social security
  • We offer Visa sponsorship and relocation support if needed
  • Work in a nice, bright and air-conditioned loft office in the middle of Berlin - one of Europe’s most exciting cities.
  • Be there to craft the product and the company together with a highly motivated team.
  • Build a product that has a positive effect on the world by changing the lives of thousands of people.


  • We look for a minimum of 2-3 years professional experience with backend development in Ruby on Rails.
  • TDD/BDD with RSpec is the only way you write code and you are comfortable teaching junior developers the best testing practices.
  • You have a general understanding of JavaScript, HTML and CSS.
  • You know your way around GitHub, Heroku, and bring server administration/dev ops, and strong troubleshooting skills.
  • You have experience building RESTful APIs and SOA.
  • You think analytically and are able to make informed decisions regarding efficiency and organizational design patterns.
  • You write clean code and dedicatedly support and teach others standard methodologies and refactoring techniques.
  • You have a growth mindset: you share our believe in everybody’s potential for growth, and mentor your colleagues whenever you can.
  • Enthusiastic: You feel confident making suggestions and bringing new ideas.

    How to Apply:

    Please write a letter of intent stating why you want to work for CareerFoundry, what interests you about online education and how you could make an impact working with the team. Please submit your resume/CV, GitHub profile and code examples or links to previous projects along with your letter of intent to with “Backend Developer” in the subject line.
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