Senior Web Compatibility Engineer

🕒 October 2

🇺🇸 United States – Remote

💵 $178.5k / year

⏰ Full Time

🟠 Senior

👷🏻‍♀️ Engineer

👻 Ghost score 1%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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DuckDuckGo

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2008

💼 Consulting

📣 Marketing

🔒 Cybersecurity

Consulting • Marketing • Cybersecurity

DuckDuckGo is an independent Internet privacy company dedicated to providing users with tools that enhance their online privacy. Best known for its search engine, DuckDuckGo offers a free web browser and browser extensions for iOS, Android, Mac, and Windows that include built-in privacy features such as tracker blocking, encryption, and email protection. Unlike traditional search engines and browsers that track search and browsing history, DuckDuckGo prioritizes user privacy by preventing tracking and targeted advertising. The company operates on the premise that privacy should be simple and accessible, offering a private alternative to major tech companies while remaining financially sustainable through non-invasive ads based on search results rather than personal data.

📋 Description

• Ensure websites work correctly in DuckDuckGo browsers across Mac, Windows, iOS, and Android • Reverse-engineer how sites detect DuckDuckGo privacy protections and build countermeasures • Shim browser APIs so sites work across different browser engines and system webviews • Build LLM agent pipelines to automatically reproduce and triage reported site breakage • Own the web compatibility side of the triage process • Debug complex issues in code the team does not control • Distinguish site bugs, browser bugs, and privacy-protection-induced breakage • Lead incident response when major sites break • Ship durable fixes across every platform • Work on projects that prevent user churn and retain DuckDuckGo users

🎯 Requirements

• 7+ years of experience building and debugging complex web applications with vanilla JavaScript • Detailed knowledge of web standards, web components, and browser APIs • Additional experience with Swift, Kotlin, C#, C++, or Python is a bonus • Advanced ability to reverse-engineer obfuscated third-party code and reduce issues to minimal test cases • Passion for hunting elusive bugs and tracing them to their root cause • Interest in automating repetitive work and building agentic tooling • Experience triaging issues, leading incident response, and communicating with technical and non-technical stakeholders • Experience shipping code beyond the web, such as native or desktop clients • Ability to lead complex, ambiguous projects with little to no oversight • Must attend meetings on camera via video conferencing • Must pass a background check as a condition of joining • Must be legally authorized to work in the country of residence; DuckDuckGo does not sponsor or assist with individual immigration needs

🏖️ Benefits

• Stock options • Company-sponsored health benefits for team members based in the United States • Paid parental leave • Office setup allowance • Co-working allowances • Flexible work arrangement with no core hours • Company all-hands meetup • Team retreat • Equal work opportunities and anti-discrimination protections • Reasonable accommodation during the application process