Senior Product Security Engineer

Headquarters: Remote - United States About Vercel: Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web. Our mission is to enable the world to ship the best products. That starts with creating a place where everyone can do their best work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About the Role: We are looking for a Senior Product Security Engineer to join our security team to drive critical product security initiatives across Vercel’s products and platform. Your core focus will be on threat modeling, open-source software security, secure code review, SDLC tooling, and bug bounty program management. You will support both our internal product engineering teams and customer-facing security programs, ensuring that security is embedded throughout our development lifecycle and that our platform earns the trust of developers and end-users alike. As a senior member of the team, you will lead cross-organizational security projects and champion a security-first culture within Vercel’s engineering organization. This is a high-impact role with broad scope – your work will not only secure Vercel’s core infrastructure and products (built with Next.js, Node.js, and serverless architecture), but also influence the security of the open-source ecosystems we contribute to. If you’re based within a pre-determined commuting distance of one of our offices (SF, NY, London, or Berlin), the role includes in-office anchor days on Monday, Tuesday, and Friday. If you're located beyond that distance, the role is fully remote. For location-specific details, please connect with our recruiting team. What You Will Do: Threat Modeling & Design Review: Partner with engineering and product teams to perform threat modeling fo