Resend builds a modern email platform for developers to send transactional and marketing emails reliably without landing in spam. It offers SDKs, React Email for templating, high deliverability features, and developer-focused tools like webhooks and analytics. Serves developers and companies needing scalable email infrastructure.
As a Security Engineer, Platform, you will be responsible for building and improving the security foundations of Resend’s platform, including API keys, service permissions, and secrets management. You will also help design secure defaults for new services and improve detection and response for suspicious access.
As a Product Engineer, you will help shape the core product experience of Resend, building polished product experiences and owning features end-to-end. This role requires comfort with frontend, backend, product thinking, design details, and user experience.
As a Deliverability Engineer, you will be responsible for building and maintaining core components for sending transactional and marketing emails. This role requires expertise in email deliverability, reputation, and high-volume email systems.
As a Backend Engineer on the Core Sending Squad, you will build and operate Resend’s email transport infrastructure, focusing on SMTP delivery, MTA systems, and routing. You will design systems for throttling, IP pools, and reputation-aware routing, and improve bounce classification.