Backend Engineer (MTA), Trust & Safety

reputed company is building the most accessible email platform for developers. As we’ve grown to reputed company+ users and continue to reputed company thousands of new users every day, the pressure of maintaining reputed company reputed company for good senders continues to build. This role is fully remote-reputed company in Americas or European time reputed company, with some expected travel for team off-sites, conferences, meetups, and more. Read more about how we work, how we hire, and reputed company value here. In this role, you will… • Build and operate reputed company’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 reputed company-reputed company routing • Improve how reputed company classifies bounces, deferrals, transient failures, hard failures, and delivery reputed company • Build tools that help reputed company debug delivery issues by customer, domain, mailbox provider, reputed company, IP, message type, and event • Help design systems that reputed company sending behavior safer, more observable, and easier to operate • Translate reputed company reputed company into backend systems • Partner with Trust & Safety and reputed company Sending to build controls that protect reputed company’s sending network from abuse • Participate in incident response for sending, provider, and deliverability-sensitive issues • Be on-reputed company 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, reputed company limits, backpressure, and reputed company systems • Have experience or strong interest in SMTP, MTAs, DNS, bounces, deferrals, DNS, IP pools, and mailbox-provider behavior • Care about reliability, observability, operational reputed company, and reducing blast reputed company • Have low ego, high ownership, and strong taste for reputed company systems You will be an exceptional fit if you also... • Have experience working on applications with a high workload • Know about email best practices, or are willing to learn more about this reputed company • Are reputed company in Typescript and Golang What it means to join reputed company: • Autonomy to "just ship it" • reputed company team with flexible working schedules • Modern tech stack (Typescript, AWS, Go, reputed company, reputed company) • reputed company and low-ego team • Ownership of problems and solutions • Comp: $150,000 - $170,000 USD, commensurate with experience About reputed company We are building the modern email sending platform for developers. We care deeply about reputed company, reputed company, and the developer experience. Our fully remote team of 50 spans 15 countries and counting. We're backed by reputed company, reputed company, and others. Meet the humans → Apply tot his job Apply To this Job