Help us to combine the power of Data, Search and browsers to redesign the internet for the user.

Browser and Extension Developer (Firefox and/or Chromium) - (m/f)

Full time / Munich Office

Cliqz GmbH is a Munich based company with offices in Germany and the USA which was founded in 2008. Our mission is to redesign the Internet for the user by combining the power of data, browser, and search. More than 140 experts from over 30 countries develop browsers and browser extensions with integrated search engines to bring users to their destination in the most direct way while protecting their privacy. Our main investors are Hubert Burda Media, one of Europe’s leading media corporations, as well as Mozilla, producer of the browser Firefox. Our products Cliqz, Ghostery and MyOffrz are daily used by millions of users.

Your Responsibilities

  • You build our product into browsers directly (e.g., on top of a Firefox core) or via browser extensions (e.g, WebExtensions, bootstrapped)
  • You are looking for new ways to improve our product and implementing A/B tests
  • You take care of the day to day maintenance and optimization of the code for the best user experience
  • You review designs, document front-end technical specifications, and provide time estimates for the implementation of features and fixes

Your Profile

  • You are very passionate about the role browsers play in the Internet ecosystem: You truly believe in the role of the browser as a user-agent (acting on behalf of the user)
  • You have an expert understanding of core front-end and/or client side technologies (e.g.: Javascript)
  • You understand how browser functionalities across platforms and browsers work
  • You ideally have at least one year work experience with either: Chromium based browsers (e.g., extensions or working on the Chromium core) or alternatively with building and/or reviewing Firefox extensions or working on the Firefox core
  • You have the ability to write high-performance, reusable code
  • You have experience with data-driven product development: analytics, A/B testing, etc.
  • You have good English skills

At Cliqz you are able to contribute to the development of the product and the culture right from the beginning. You will be encouraged to leave your comfort zone and to make mistakes.

According to our principle “arrive and relax“ we help you wherever possible: starting with financial support for your relocation up to any administrative request.

You will have the chance to learn and teach within workshops and talks which are held on a regular basis. To not miss out the fun we also take care of your physical and spiritual well-being. Get to know Cliqz and take a look behind the scenes at

Become part of the team and apply with us now. Send us your application along with your earliest start date and salary expectations.

Cliqz GmbHMunich, GermanyArabellastrasse 2381925 München
Write to us

Tel.: +49 89 9250 1055E-mail: