Senior Web Security Engineer, Browser Platform

About This Opportunity

Our talent team is representing a confidential privacy technology organization in their search for a Senior Web Security Engineer, Browser Platform. This is a remote position open to candidates anywhere.

Working with the Security team, you will play a pivotal role in ensuring security capabilities keep pace with rapid product development, including expanding AI offerings and agentic browsing features. You'll maintain incident detection and response capabilities and work on critical security projects that directly protect users across all products.

Responsibilities

• Harden agentic browsing and AI experiences against emerging threats such as prompt injection
• Conduct browser and sync security audits covering special pages, AI integrations, password manager, and other features
• Execute security mitigations including XSS prevention and develop tooling to help engineers write safer code
• Build and maintain harnesses that deploy security fixes automatically
• Manage application security scanning infrastructure setup
• Deliver internal red-team operations through simulated attack scenarios
• Support security triage and incident response

What We're Looking For

• 7+ years of experience in web or application security, including security assessments, vulnerability research, penetration testing, or secure code review
• Recent experience creating security-focused agentic harnesses
• Proven ability to influence large feature designs with security baked in from the start
• Advanced programming or scripting experience with JavaScript; additional experience with Swift, Kotlin, C#, Perl, or Go is a bonus
• Experience with at least one WebView technology (WebKit, WebView2, Chromium WebView, etc.) and strong understanding of browser security models including SOP, CSP, CORS, and SameSite cookies
• Hands-on experience identifying and exploiting web vulnerabilities such as XSS, CSRF, injection attacks, and authorization flaws
• Familiarity with security testing tools and frameworks
• Experience partnering with product engineers, advising on security matters, and helping teams ship secure code faster
• Track record of shaping organizational security thinking, driving best practices, improving processes, and raising the bar across teams

How We Work With You

Candidates apply directly through Get A Job.ai. Our recruiting team will conduct an initial screening to understand your background and match you with the right opportunity. We then coordinate your submission to our client and support you through their interview process. Please do not contact the client directly, as all communication is managed through our team to ensure the best candidate experience.

Pay

Compensation details will be discussed during the screening process with our recruiting team.

Equal Employment Opportunity: Get A Job.ai is committed to providing equal employment opportunities to all qualified applicants regardless of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected characteristic under applicable law.