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|   1 Literally everything we do is [open source](https://hg.adblockplus.org). Anyone 
    can contribute. If you join Eyeo, you can do it for a living. |  | 
|   2  |  | 
|   3 We are looking for a senior developer with a solid understanding of computer sci
    ence and a focus on web technologies, in particular JavaScript. |  | 
|   4  |  | 
|   5 We have a particularly high interest in people who can work on the core code tha
    t powers Adblock Plus on all platforms. But you can also work on other parts of 
    our stack, or upstream on related open source projects like Firefox or Chromium. |  | 
|   6  |  | 
|   7 Most of our developers work remotely, so can you. If you'd prefer an office envi
    ronment, we'll help you relocate to Cologne, or pay for a coworking space. |  | 
|   8  |  | 
|   9 **Requirements** |  | 
|  10  |  | 
|  11 - Strong experience with JavaScript, beyond frameworks like jQuery |  | 
|  12 - Solid understanding of algorithms and data structures |  | 
|  13 - Very good knowledge of how the web works |  | 
|  14 - Very good communication skills in English |  | 
|  15 - Ability to work and learn independently |  | 
|  16 - High integrity |  | 
|  17 - Experience with browser extension development would be a big plus |  | 
|  18 - Knowledge of browser internals would be a big plus |  | 
|  19  |  | 
|  20 Not sure if this is for you? Consider [contributing](https://adblockplus.org/en/
    contribute-code) first. |  | 
|  21  |  | 
|  22 When applying, please include a code sample or, preferably, references to open s
    ource projects you worked on. |  | 
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