Senior JavaScript Fullstack Developer (m/f/x)

Full-time represents a new generation of voice control that enriches everyones' daily routines. Using our platform for artificial intelligence, we process tens of thousands calls daily both for medical practices and large customers such as BVG, E.ON and Deutsche Bahn and German health offices, helping to fight the pandemic.

We constantly develop innovative solutions and drive them forward. That's why we are looking for a Senior JavaScript Fullstack Developer (m/f/x) who helps us to improve our application and implementations.


  • You will design, co-develop and maintain our JavaScript applications, both node.js middlewares and back-ends as well as react.js front-ends
  • You will implement and maintain incoming and outgoing connections with various internal and external APIs
  • You will build up intuitive data capturing tools that enable advanced machine learning algorithms
  • You will build up self-service portals to enable accelerated onboarding for our customers
  • You will directly work together with our CTO to push forward
  • You will coach junior developers to help them reach their full potential


  • You gained at least 2 years of practical experience with JavaScript in a professional setting, whilst already having at least 4 years of general development experience besides university
  • You have a degree in informatics or a comparable education and/or initial work experience in the relevant field
  • You are familiar with Git & Docker
  • Ideally you already have gained some experience with Python
  • You are interested in learning about and working with voice AI specific technologies like machine learning & VoIP telephony
  • You are able to write and speak English fluently (at least on C1 level or equivalent), German is a plus
  • You are detail-orientated, curious and eager to learn fast about new topics
  • You are communicative, empathic and enjoy working in teams using the Scrum methodology
  • Ideally you already gained some leadership experience


  • Motivating Start-Up perks: an international team of tech and business experts, flexible working hours, flat hierarchies, a nice office in the middle of Berlin, team events, fruits & coffee
  • A modern working environment that promotes transparency, variety and development through Scrum and OKR methods
  • We support you in growing professionally
  • You enjoy a high level of individual responsibility and can be creative, as we are always open to new ideas and love to try them out
  • After your initial Onboarding, you will enjoy flexible working models with the possibility to work in the office or remotely
  • And most important: a fantastic team that supports you and with whom you will have a lot of fun

We are looking forward to getting to know you!
Aaron GmbH web
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