Backend Engineer (MTA), Trust & Safety
Descrizione dell'offerta
Resend is building the most accessible email platform for developers. As we’ve grown to 4M+ users and continue to onboard thousands of new users every day, the pressure of maintaining a safe place for good senders continues to build. This role is fully remote-based in Americas or European time zones, with some expected travel for team off-sites, conferences, meetups, and more. Read more about how we work, how we hire, and what we value here . In this role, you will… Build and operate Resend’s email transport infrastructure Work on SMTP delivery, MTA systems, routing, retries, backoff strategies, and delivery controls Design systems for domain-level, provider-level, customer-level, and IP-level throttling Build infrastructure for shared IP pools, dedicated IPs, warmup execution, and reputation-aware routing Improve how Resend classifies bounces, deferrals, transient failures, hard failures, and delivery outcomes Build tools that help the team debug delivery issues by customer, domain, mailbox provider, route, IP, message type, and event Help design systems that make sending behavior safer, more observable, and easier to operate Translate reputation strategy into backend systems Partner with Trust & Safety and Core Sending to build controls that protect Resend’s sending network from abuse Participate in incident response for sending, provider, and deliverability-sensitive issues Be on-call for critical services You will be a great fit if you... Have strong backend engineering experience Have worked on email, messaging, notifications, communications, infrastructure, or other high-volume delivery systems Understand queues, workers, retries, idempotency, rate limits, backpressure, and distributed systems Have experience or strong interest in SMTP, MTAs, DNS, bounces, deferrals, DNS, IP pools, and mailbox-provider behavior Care about reliability, observability, operational excellence, and reducing blast radius Have low ego, high ownership, and strong taste for simple syst
Dettagli
- Azienda: Resend
- Sede: Remoto
- Tipo di contratto: Tempo pieno
- Fonte: ashby
- Valido fino al: 10 ottobre 2026
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