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)

Full time / Munich Office

Job Summary

You will be building the interface to our users. You will work in a team with Browser-, Front- and Backend-developers, Designers, and Product Pangers to implement the next generation Internet search. We are rolling-out our search to millions of users, so you will not only have an excellent eye for detail, but also a commitment to making sure our product is bug free, fast, and compatible across platforms. A successful candidate will also feel comfortable working on experiments, testing, and data driven design decisions. You are and not shying away from viewing the back- and front-end as an integrated system where both ends need to work perfectly together.

Key Resonsibilities

  • Build our product into browsers directly (e.g., on top of a Firefox core) or via browser extensions (e.g, Chromium)
  • Looking for new ways to improve our product and implementing A/B tests
  • Day to day maintenance and optimizing code for the best user experience
  • Review designs, document front-end technical specifications, and provide time estimates for the implementation of features and fixes

Skills & Experience

  • 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)
  • Expert understanding of core front-end web technologies (HTML, CSS, JavaScript)
  • Expert understanding of browser functionalities across platforms and browsers
  • 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
  • Ability to write high-performance, reusable code
  • Experience with data-driven product development: analytics, A/B testing, etc.
  • Ability to speak English


Our office culture is centered around curiosity, playing with new ideas, and pushing boundaries. It is a place to experiment – so we are most interested in candidates who are passionate about learning. Candidates must also be comfortable working in a fast-paced environment with challenging and, at times, demanding team. There are many benefits in joining the team: We offer a fixed position, competitive salary, and training opportunities. In addition, we offer relocation packages and work sponsorship for worldwide candidates to join our growing team in Munich! We are backed by one of the largest European Internet players – so despite the start-up-atmosphere, we do offer stability. But most important of all: Your contribution will matter every day!

Cliqz GmbHMunich, GermanyArabellastrasse 2381925 München
Write to us

Tel.: +49 89 9250 1055E-mail: