Senior Web Compatibility Engineer
Duck Duck Go · Remote
About this role
## Senior Web Compatibility Engineer ### About DuckDuckGo DuckDuckGo is an online protection company and a remote-first team of 400+ people on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, we’re used by millions worldwide across Mac, Windows, iOS, and Android. ### Your Team & Role You’ll join the **Web Dependability Engineering** team to help ensure websites “just work” in DuckDuckGo’s browsers across **Mac, Windows, iOS, and Android**. Recent projects include: - Reverse-engineering how sites detect our privacy protections and building countermeasures to keep pages working - Shimming browser APIs so sites work seamlessly across different browser engines and system webviews - Building LLM agent pipelines that automatically reproduce and triage reported site breakage As a **Senior Web Compatibility Engineer**, you’ll be the resident expert on why websites break and how to fix them—owning the **webcompat** side of triage, debugging issues in code you don’t control, distinguishing site bugs vs. browser bugs vs. privacy-protection-induced breakage, leading incident response when top sites break, and shipping durable fixes across every platform. ### About You - **7+ years** building and debugging complex web applications with **vanilla JavaScript** - Strong knowledge of **web standards**, **web components**, and **browser APIs** - Ability to reverse-engineer obfuscated third-party code and reduce issues to minimal test cases - Passion for hunting elusive bugs and tracing them to root cause - Interest in automating repetitive work and building agentic tooling - Experience triaging issues, leading incident response, and communicating clearly with technical and non-technical stakeholders - Experience shipping code beyond the web (e.g., native/desktop clients) - Ability to lead complex, ambiguous projects with little to no oversight ### Compensation Paid on a regional pay scale (local currency) with stock options: - **United States:** $190,500 USD annually - **United Kingdom:** £134,600 GBP annually - **Canada:** C$253,500 CAD annually - **Europe / Rest of World:** €157,350 EUR annually Notes: - In **Spain**, pay is expected to transition to the EUR scale on **Jan 1, 2027**; in other Europe/Rest of World countries on **Feb 1, 2027**. - Health benefits eligibility is limited to team members based in the **United States**. ### Hiring Process Hiring works best as a two-way street. Learn how DuckDuckGo helps you get to know the company and how the hiring process works. ### Diversity, Equity & Inclusion DuckDuckGo provides equal work opportunities and prohibits discrimination and harassment of any type. If you need reasonable accommodation during the application process, email **careers@duckduckgo.com**. ### Please Note - You’ll be required to attend meetings **on camera** via video conferencing - Expect to travel **at least 2 times/year** (all-hands meetup + team retreat; ~4–5 days each) - Flexible work arrangement with **no core hours**, but expect ~**40 hours/week** average - A successful candidate must pass a **background check** - By applying, you confirm submitted information is accurate and complete ### AI in the Hiring Process DuckDuckGo uses AI to assist in reviewing and summarizing job applications and test projects, including tools integrated into recruitment vendor platforms. Final decisions are made by the hiring team. #LI-DNI
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