Jobs at Resend

Build and maintain developer tools across SDKs, React Email, CLI, MCP, integrations, and supporting backend services. Collaborate on APIs, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable interfaces, error handling, and backward-compatible experiences. The role also involves operating systems with authentication, retries, rate limits, queues, monitoring, and error recovery.

Build and operate high-volume email transport infrastructure, including SMTP delivery, MTA systems, routing, retries, throttling, IP pools, reputation-aware delivery, and observability tools. Improve bounce and delivery classification, partner with Trust & Safety, support incident response, and participate in on-call operations. The role requires strong backend and distributed-systems expertise, with experience in high-volume delivery systems preferred.

Build and operate backend services supporting millions of emails. Own features end to end, design reliable distributed systems, scale APIs and databases, manage cloud infrastructure, improve observability and deployments, and participate in on-call rotation. Collaborate with customers and support to improve the product, strengthen engineering quality, and deliver complete experiences across the stack.