Babbel is hiring a

Senior Full Stack Engineer

Berlin, Germany

Babbel is driven by a mission: Everyone. Learning. Languages. This means building products that help people connect and communicate across cultures. Babbel, Babbel Travel and Babbel for Business focus on using a new language in the real world, in real situations, with real people. And it works: Studies with Yale University, City University of New York and Michigan State University prove that it gets users talking with confidence. 

The key is a blend of humanity and technology. A team of linguistic experts hand-craft each of our courses, to provide content that is constantly adapted to our learners’ needs. Interactive content with videos and podcasts makes understanding a new language easy, because Babbel is for everyone. That’s why our team is as diverse as our content. From headquarters in Berlin and New York, 750 people from more than 60 nationalities represent the backgrounds, characteristics and perspectives that make all humans unique. Making a true connection with millions of paid subscribers across the globe is what makes Babbel the most profitable language learning app worldwide.

Babbel in Numbers: 

  • The #1 top-grossing language learning app globally
  • Millions of active paying subscribers
  • More than 60,000 lessons 14 languages hand-crafted by 150+ linguists
  • More than 10,000 hours of learning content
  • Over 70 learning podcast episodes and over 50 hours of video learning content 

We are looking for a Senior Full-Stack Engineer to join our office in Berlin!

In your role as a Senior Full-Stack Engineer, your mission will be to change the future of language learning while working in a stimulating environment. Working together with motivated colleagues, you will be collaborating and diving into different disciplines to broaden your knowledge in other fields of expertise as well as share your own. You will contribute to great architecture and build the base of an easily extendable and well maintainable application.

As part of the B2B engineering team, you will work closely with Product, UX Design, B2B team and other Engineering agile teams to build the best B2B onboarding experience for Babbel learners. 

You will

  • Deliver value iteratively by building high-quality applications and features
  • Build, maintain, and take ownership of a rich ecosystem of applications and services
  • Be part of feature teams and build end-to-end customer features
  • Own architectural design and constantly propose improvements of the existing features  
  • Ensure that the systems you own are healthy, resilient, and perform well
  • Collaborate cross-functionally on feature design, architectural decisions, and assessing technical debt
  • Shape our coding guidelines and quality standards
  • React, troubleshoot and solve operational events (bugs and incidents)
  • Focus on continuous learning and improvement and drive the evolution of our engineering practices

You have:

  • Experience in building scalable systems and applications using Ruby
  • Strong sense for good API design and third-party API integrations
  • Experience in using AWS, NoSQL databases 
  • Proficient knowledge in JavaScript, HTML, CSS (incl. preprocessors and CSS in JS)
  • Knowledge in component-based frontend frameworks, ideally React
  • Testing experience on different levels: unit, integration, contract, and E2E
  • Willingness to cooperate with the product and business stakeholders building together a trust working environment
  • A can-do attitude to build MVPs and iterate on them in short cycles
  • Good understanding of lean and agile practices
  • Good communication and interpersonal skills
  • Fluency in written and spoken English

Nice to have:

  • Knowledge of analyzing metrics about system health and performance
  • Strong understanding of Event-Driven Architecture
  • Knowledge of analyzing metrics about system health and performance (ideally DataDog, CloudWatch, PagerDuty, Rollbar)
  • Experience with infrastructure-as-code, ideally with Terraform


Why Babbel?

  • Work within a high-performing team at Babbel.
  • A steep learning-curve – personally and professionally.
  • A stimulating environment and a lot of responsibility to prove your skills.
  • A lively startup atmosphere with friendly working hours.
  • Great company benefits (high-end company bike, fresh fruit & drinks).

Sounds good? We are already looking forward to hearing from you! Check out our jobs page, our blog, and our techblog for a fuller picture of #lifeatbabbel!

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