Senior JavaScript-Developer (f/m/d)
at DeepL
Software DeveloperFull TimeEurope


is Germany's best-known AI company. We develop neural networks to help people work with language. With DeepL Translator, we have created the world's best machine translation system and made it available free of charge to everyone online. Over the next few years, we aim to make DeepL the world's leading language technology company.Our goal is to overcome language barriers and bring cultures closer together.
What distinguishes us from other companies?DeepL (formerly Linguee) was founded by developers and researchers. We focus on the development of new, exciting products, which is why we spend a lot of time actively researching the latest topics. We understand the challenges of developing new products and try to meet them with an agile and dynamic way of working. Our work culture is very open because we want our employees to feel comfortable. In our daily work we use modern technologies - not only to translate texts, but also to create the world's best dictionaries, and solve other language problems.When we tell people about DeepL as an employer, reactions are overwhelmingly positive. Maybe it's because they have enjoyed our services, or maybe they just want to get on board with our quest to break down language barriers and facilitate communication.

What will you be doing at DeepL?
Thanks to our unique neural networks, DeepL is able to deliver the world’s best translation quality. In order to keep it that way, we are constantly improving our apps and adding exciting new features - and this is where your experience in developing sophisticated software comes in. In addition to the classic challenges of frontend development such as UX design, we are particularly interested in your knowledge of software design, the latest web technologies, and the design of reliable and efficient algorithms and data structures. You will be part of a highly motivated team that values top quality and efficient code. Important design decisions are made by the whole team in open discussions.


Your responsibilities
  • Design and develop complex web applications and components including their architecture
  • Test your work and make sure it is of high quality
  • Work directly with the backend developers and be actively involved in defining API interfaces
What we offer
  • A product used by more than 100 million worldwide
  • Interesting problems applying the latest research results in our development
  • Code review, pair programming, and a focus on high quality
  • An extremely good team with a lot of trust and short decision making processes; English speaking team
  • A comfortable office in Cologne or Paderborn (or a suitable equipment for your home office) and a lot of flexibility
About you
  • Expert knowledge in Javascript & software engineering
  • A solid understanding of algorithms
  • Experience in React or another current Javascript framework (Vue, Angular...)
  • A degree in computer science or comparable, alternatively several years of professional experience in software/web development, but in any case you have successfully built software projects and shown a lot of initiative in doing so
  • You enjoy solving difficult problems and learning new things
  • Fluent in English, knowledge of other languages is advantageous
 We are looking forward to your application!
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