1&1 Mail & Media GmbH

Senior Frontend / Lead Developer (f/m/d) - for our brands 1&1, GMX, WEB.DE and mail.com

at subsidary 1&1 Mail & Media GmbH in München
Reference Id: MU-MiCl-2006017


GMX and WEB.DE are leading email providers in Germany. Our agile team designs and develops advanced graphical user interfaces for Web browsers. Your registration, login and customer self care applications reach millions of users of GMX, WEB.DE and mail.com.

  • As senior frontend developer you lead our agile frontend development using Typescript.
  • You develop responsive user interfaces for Web browsers und mobile platforms, leveraging our RESTful APIs and Angular.
  • You optimise our conversion rates by applying continuous A/B split testing and improving useability.
  • You perform code reviews and test on all relevant platforms and devices.
  • Together with your collegues you optimise our tech stack in order to deliver a high quality product.

Your profile

You finished your technical studies in e.g. computer science or a comparable education? You are interested in joining a team of agile developers and lead the frontend development in Typescript? Your code is hiqh quality? Your work ethics is hands-on? You are a match for the following key points? Then we’re looking forward to receiving your application!

  • Multiple years of developing modern Web applications (mobile-first) in JavaScript (ES2015, Typescript), ideally some Java skills.
  • Good unit testing knowledge with Jasmine and Karma, experience with Protractor.
  • Focussed on quality, technology-oriented and appreciate an agile team.
  • Your work style is described as precise and you enjoy continuously optimising usability.
  • Good knowledge in Angular, responsive libraries (bootstrap), CSS pre-processing libraries (LESS, SASS) and build tools (grunt, gulp, Webpack, etc.).
apply online now

For reasons of better readability, we have used the male language form (when and wherever applicable) throughout the text. However, this does not imply any kind of discrimination against other sexes, but should be understood as gender-neutral in the sense of linguistic simplification.


United Internet AG
Zentrales Bewerbermanagement
Ernst-Frey-Straße 10
D-76135 Karlsruhe

Tel: +49 721 91374-6891