As a Staff Product Security Engineer at PayPal, you'll help secure 434M accounts and $1.6T in annual payment volume across PayPal and its business lines. You will embed security into the software development lifecycle (SDLC) by shaping architecture decisions, influencing roadmaps, and scaling impact through automation, tooling, and mentorship. You will also perform in-depth design, architecture, and code reviews, working directly with developers and product teams to ensure products are secure by design.