Preise Credits & Buchungen Firmeninformation bearbeiten Logout
Diese Stellenanzeige ist abgelaufen
edit bearbeiten

Full-Stack Engineer (Ruby on Rails) - Marketing Tech (m/f)

  • Vollzeit
  • Mit Berufserfahrung
Frühestmöglicher Eintrittstermin November 2014

We are looking for a full-time Rails Full-Stack Engineer (m/f, full-time) to start immediately in our office in Berlin-Kreuzberg, Germany.

With millions of regular users and more than 7000 hours of premium content, Babbel is growing fast while we are shaping the future of learning.

Our flexible cloud-based backend infrastructure consists of multiple high-performance rails services serving more than 20.000 requests per minute to users worldwide via different clients (Android, iOS, Web).

You are an experienced Full-Stack developer that loves to solve challenging technical problems working together with ambitious colleagues in a fast-paced environment.

Your mission will be to support our Marketing Team to optimize the technical infrastructure for user-acquisition and user-retention in close cooperation with experienced colleagues from other engineering teams.


  • Work in a cross-functional, agile team closely together with the Marketing team to improve user-acquisition and user-retention.
  • Optimize tools and services for User Tracking, Data Analysis & Customer Relationship Management
  • Identify and implement innovative solutions and ensure long-term stability and maintainability of our code base
  • Ensure code quality and participate in code reviews
  • Ensure browser support and compatibility across devices
  • Take ownership of features, work with the team and stakeholders to implement great functionality and stunning user experience
  • Work closely together with other engineering teams (backend, mobile, devops) to ensure seamless user experience and efficient overall architecture


  • At least 3+ years experience with the full Ruby on Rails application stack
  • At least 3+ years experience with Frontend technologies (JavaScript, HTML, CSS)
  • Proven experience with Software engineering practices: TDD, unit/functional automated testing, CI, software design and architecture
  • Open-minded for and interested in Performance Marketing (SEM, SEO, Display Marketing, CRM, Social Media)
  • Fluent in English
  • Experience with design and consumption of REST-based APIs
  • Passion about Web Standards
  • Software development talent proven by great work results/experience, hobby projects or open source contributions
  • Bonus: Experience with Tracking Services
  • OPTIONAL Experience with building multi-language web applications
  • OPTIONAL Experience with database backends (SQL/noSQL)


  • Tackle high volume, scalable problems with cutting-edge technologies 
  • The potential to change how millions of users worldwide learn languages
  • Responsibility from day one the support to grow professionally and personally
  • Participate in hackdays, technology brown-bags

Why work at Babbel?

  • A lively startup atmosphere with friendly working hours
  • Long-term prospects
  • A vibrant international team from over 20 different nationalities
  • Excellent working conditions with a location in the heart of the Berlin scene
  • Great company benefits (High-End company bike, fresh fruits & drinks, Hackathons etc.)