Full Stack Engineer - Authentication - Perplexity AI

Perplexity is seeking a Senior Authentication Engineer to join our innovative team revolutionizing internet search and interaction. In this role, you will lead the design, implementation, and scaling of authentication systems that power our web and mobile products, ensuring secure and seamless user experiences across our platform.

Responsibilities

• Design, implement, and maintain robust authentication systems for our Next.js-based web applications
• Architect and develop secure, scalable authentication flows incorporating various providers (e.g., OAuth, email/passwordless)
• Collaborate with front-end, back-end, mobile and security teams to integrate authentication seamlessly across our application stack
• Troubleshoot and resolve complex authentication issues
• Implement and maintain best practices for user authentication, authorization, and security
• Optimize authentication performance and user experience
• Stay up-to-date with the latest developments in authentication technologies and security standards
• Designing and implementing ACLs for customer-specific permissions and resource management

Qualifications

• 5+ years of experience in web development
• 3+ years building and architecting web authentication systems
• Strong proficiency in JavaScript, TypeScript, and React
• Extensive experience with Next.js and NextAuth.js
• Deep understanding of OAuth 2.0, JWT, and other authentication protocols
• Experience with database systems (e.g. PostgreSQL)
• Experience working with cloud platforms (e.g AWS)
• Strong problem-solving skills and attention to detail
• Excellent communication skills and ability to work in a collaborative team environment

Nice to haves

• Experience with enterprise authentication like SSO and SCIM (e.g. WorkOS)
• Experience with mobile authentication

Our cash compensation range for this role is $180,000 - $280,000.