Senior Web Compatibility Engineer

Responsibilities

• Our culture of trust, inclusivity, and empowered project management underpins everything we do, where each team member takes full ownership of their projects, from scoping and execution to postmortem. If you're seeking end-to-end ownership of your work, you've come to the right place!
• Reverse-engineering how sites detect our privacy protections and building countermeasures that keep pages working
• Building LLM agent pipelines that automatically reproduce and triage reported site breakage
• As a Senior Web Compatibility Engineer, you'll be our resident expert on why websites break and how to fix them: owning the webcompat side of our triage process, debugging gnarly issues in code you don't control, distinguishing site bugs from browser bugs from privacy protection-induced breakage, leading the charge when a top site breaks and becomes an incident, shipping durable fixes across every platform, and work on related projects that prevent user churn and keep users coming back to DuckDuckGo.
• 7+ years of experience building and debugging complex web applications with vanilla JavaScript.
• 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.
• Ability to lead complex, ambiguous projects with little to no oversight.
• Our Team Member Support Guide explains how we prioritize your wellbeing including paid parental leave, office setup, and co-working allowances.
• Human Oversight and Accountability: The AI technology is designed to support our hiring team by providing insights and summaries of applications and evaluations of test projects against scoring rubrics. All final evaluations and hiring decisions, however, will be made by our hiring team, who will consider the AI's input alongside other factors.

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