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

Javascript Engineer - offrz:tech (m/f)

Full time / Munich Office

Cliqz is a Munich based start-up with creative minds from more than 30 countries. We develop innovative apps, which combine browser, privacy and search technologies. Our principle investors are Hubert Burda Media, one of the biggest players in European media, and Mozilla, developer of the Firefox browser. Our apps under the brand names Cliqz and Ghostery are used by millions of users daily.

We are looking for motivated talents that are eager to work on innovative technologies to reconcile the natural tension between two cornerstones of the Cliqz philosophy: user privacy and data. Join our team to change the industry standards and implement the first service that brings together tailored offers with consistent user privacy and protection.

Your Responsibilities

  • You implement new features on the client side to improve the performance of our campaigns
  • You develop performant and efficient algorithms to improve our personalization and targeting capabilities as part of a large open-source Javascript project:
  • You develop code that safeguards user privacy from the client side following our “Privacy by Design” principle
  • You work with various teams (mobile, Cliqz, Ghostery) to develop a cross-browser/cross-product solution
  • You are a self-starter and manage your own time

Your Profile

  • You have expert understanding of JavaScript and/or client-side technologies i.e. (some of) ES5/6, JS frameworks, build systems
  • You have a proven record working in a performance sensitive code base
  • You possess experience in implementation and troubleshooting cross-browser compatibility
  • Having experience in the ad-tech industry is a plus
  • Also experience with web extensionsis beneficial
  • Ability to write high-performance, reusable code

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: