Senior Web Compatibility Engineer

Remotefull timeRemote

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senior

$191k

H1B: no

Duck Duck Go Senior Web Compatibility Engineer at DuckDuckGo ensuring websites work seamlessly across multiple browsers and platforms. Responsible for debugging site breakage, building countermeasures, and leading incident response.

Responsibilities

Reverse-engineer how sites detect privacy protections and build countermeasures
Shim browser APIs for seamless site operation across different engines and webviews
Build LLM agent pipelines to reproduce and triage site breakage
Own web compatibility triage process
Debug complex issues in third-party code
Distinguish site bugs from browser and privacy protection issues
Lead incident response for top site breakage
Ship durable fixes across platforms
Work on projects to prevent user churn and improve user retention

Qualification

Detailed knowledge of web standardsExperience triaging issuesExperience shipping code beyond the webAbility to lead complex

Required

7+ years of experience building and debugging complex web applications with vanilla JavaScript.
Detailed knowledge of web standards, web components, and browser APIs. Any additional experience with our stack is a bonus: Swift/Kotlin/C#/C++/Python.
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 that multiplies the team's impact.
Experience triaging issues, leading incident response, and communicating clearly with technical and non-technical stakeholders.
Experience shipping code beyond the web, like native or desktop clients.
Ability to lead complex, ambiguous projects with little to no oversight.

Benefits

Equity/RSU
Parental Leave
Flexible Work

Company

Duck Duck Go

View company page

Source: ashby

Active within the past hour

Remote-friendly

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