Senior Web Compatibility Engineer

DuckDuckGo · via Devremote

💰 $178,500/yr 🌎 Remote ⌛ Posted 12 days ago

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

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

OK, THE EXPERIMENT FAILED