Javascript Reverse Engineer

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Get to know useyeo is an open source software company whose market-leading ad-filtering technology powers  products like Adblock Plus, Adblock and Adblock Browser, and whose privacy-first products like Crumbs promote transparency and an improved browsing experience. eyeo is dedicated to giving users control of their online experience while fostering a sustainable online value exchange to offer creators, publishers and advertisers more ways to earn money for the content they provide. In combining our reach of distribution partnerships and our own products, our technology runs on over 225 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 workeyeo has colleagues 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 doYou will be responsible for developing highly efficient and reliable JavaScript functions that will enable the adblocking community to protect web surfing users from all the tricks the ads industry delivers daily.Your skills, your creativity, and your willingness to learn, and propose any possible new trick from the hat to block ads, will be your daily challenge and task.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 to counter attempts to find a way around the adblocker
• 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 excellent JavaScript skills
• Strong understanding of the DOM environment
• Experience in reverse engineering 
• Knowledge and experience writing test cases including unit and integration 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 of WebRTC, 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 the following: home office and/or relocation
• Flexible working hours
• 28 days paid vacation + Volunteer day
• Your choice of hardware and setup
• Personal and professional development budget
• Monthly child care stipend for children under 6
• Offsite team days and the annual summer company retreat in Cologne
• Company-sponsored hackathons

Privacy NoticeWhen 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.