Get to know us

eyeo is an open-source software company that builds products like Adblock Plus, Adblock Browser and Flattr. By leveraging distribution partnerships, we bring ad-blocking technology everywhere, giving users control over their online experience while offering creators, publishers and advertisers more ways to earn money for the free content they provide.

In combining our reach based on distribution partnerships and our own products, our technology runs on over 230 million devices.

At eyeo, we’re passionate about user agency, personal privacy, sustainability and keeping the web an open, fair resource for everyone.

How we work

eyeo colleagues are based all over the world. We practice agile and work in distributed, cross-functional teams that span nearly every timezone. Many of our tech teams prefer to work asynchronously.

What you'll do

You will be responsible for developing small Javascript functions to be used by adblocking filterlist authors, identify/reverse engineer adblocking circumvention technologies used and propose ways to counter them. To do so, skills in software development and engineering, as well reverse engineering skills are essential.

After your morning coffee, you'll be expected to...

  • Collaborate closely with other Developers, QAs and Product Owners
  • Debug compiled JS code, deep dive into HTML/CSS page sources in order to write snippets which prevent circumvention of ad blocking technologies
  • Write unit tests, review merge requests, pair program with other engineers in order to monitor and improve code quality 
  • Drive innovation by suggesting new ideas related to ongoing initiatives or existing challenges to the team and following up on these ideas
  • Provide technical expertise wherever needed
  • Foster open communication and close collaboration with other team members to strengthen the team and increase overall productivity

What you bring to the table...

  • 3+ years of software development experience with good JavaScript skills
  • Strong knowledge of HTML/CSS
  • Experience in reverse engineering 
  • Knowledge and experience writing Unit Tests
  • A solid base knowledge in agile ways of working
  • High desire to collaborate and improve team culture
  • Fluent in both verbal and written English

It's awesome, but not required, if you know about...

  • Knowledge of browser internals
  • Knowledge around video streaming technologies and protocols
  • Experience with intercepting network requests
  • Understanding of the ad tech landscape
  • Experience with browser extension development
  • Experience working on open source projects
  • Experience around collaborating with or even managing tech communities

What we offer

  • Work from home or one of our offices —we trust you to find what works best for you
  • Stipend for one of the following: home office or relocation
  • Flexible working hours
  • 28 days paid vacation days 
  • Your choice of hardware and setup
  • Personal and professional development budget
  • Monthly childcare stipend for children under 6
  • Offsite team days and annual summer company retreat in Cologne
  • Company-sponsored hackathons

Privacy Notice

When you apply, you’ll be automatically forwarded to our recruitment platform operated by an external service provider called Greenhouse (seated in the US). Greenhouse collects some information on its website, such as anonymous usage statistics, by using cookies, server logs, and other similar technology. For more information, please refer to Greenhouse’s Privacy Policy. All documents and information provided by you are stored with Greenhouse. In order to ensure an adequate level of data protection, eyeo and Greenhouse have entered into the EU Standard Contractual Clauses (“processors”) - Commission Decision C(2010)593. You can request a copy of this by contacting us at privacy[at]eyeo.com. If you don’t want your data forwarded to Greenhouse, please do not apply. For detailed and further information, please refer to our Privacy Policy at https://eyeo.com/en/privacy.

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