
DuckDuckGo
Senior Web Security Engineer, Browser Platform
USRemotePosted Today$178,500 – $178,500
Full TimeSeniorRemoteUS
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Job Description
Who We Are Hi, we’re DuckDuckGo, the online protection company and remote-first team of 300+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, annual reven
Key Highlights
- Browser and sync security audits
- SERP security mitigations
- Agentic browser hardening
- 7+ years of experience in web or application security (performing security assessments, vulnerability research, penetration testing, or secure code review)
- Recent experience creating security focused agentic harnesses
Qualifications
Required Qualifications
- 7+ years of experience in web or application security (performing security assessments, vulnerability research, penetration testing, or secure code review)
- Recent experience creating security focused agentic harnesses
- Experience influencing large feature designs to have security baked in from the start
- Advanced programming or scripting experience with JavaScript. Any additional experience with our stack is a bonus: Swift/Kotlin/C#/JavaScript (native apps) or JavaScript/Perl/Go (search).
- Experience with at least one WebView technology (WebKit, WebView2, Chromium WebView, etc.) and understanding of browser security models (SOP, CSP, CORS, SameSite cookies)
- Hands-on experience identifying and exploiting web vulnerabilities (XSS, CSRF, injection attacks, authorization flaws, etc.)
- Familiarity with security testing tools and frameworks
- Experience partnering and collaborating with Product Engineers, advising on security matters and helping teams ship secure code faster
- Experience shaping how an organisation thinks about security – driving best practices, improving processes, and raising the bar across teams
Skills & Technologies
JavaScriptSwiftKotlinGo
About the Company
DuckDuckGo
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Job Details
Employment Type
Full Time
Experience Level
Senior
Salary Range
$178,500 – $178,500
Location
US
Work Mode
Remote
Posted
Today
Country
US