Backend Engineer, MTA

Vedi l’offerta su Go Lavoro: golavoro.it/annuncio-lavoro/86cuv7

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer, MTA based in Italy.

This is an opportunity to build and operate the backend infrastructure that powers high-volume email delivery at scale. You’ll work on critical systems spanning SMTP delivery, routing, retries, throttling, and delivery controls. The role combines backend engineering with the complexities of distributed systems, email infrastructure, and sender reputation. You’ll help create reliable, observable systems that make sending behavior safer and easier to operate. You’ll collaborate closely with Trust & Safety and Core Sending teams while taking significant ownership of technical problems and solutions. The position is fully remote, with flexible working schedules and occasional travel for team off-sites, conferences, and meetups.

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Accountabilities:

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Build, operate, and continuously improve email transport and delivery infrastructure.

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Develop systems for SMTP delivery, MTA operations, routing, retries, backoff strategies,



and delivery controls.

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Design and maintain throttling mechanisms across domains, providers, customers, and IP addresses.

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Build infrastructure supporting shared IP pools, dedicated IPs, warmup execution, and reputation-aware routing.

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Improve the classification and handling of bounces, deferrals, transient failures, hard failures, and other delivery outcomes.

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Develop internal tools that make delivery issues easier to investigate across customers, domains, mailbox providers, routes, IPs, message types, and events.

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Design systems that improve the safety, observability, reliability, and operational efficiency of email sending.

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Translate sender-reputation strategies into robust backend systems and controls.

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Partner with Trust & Safety and Core Sending teams to protect the sending network from abuse.

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Participate in incident response for sending, provider, and deli

Vedi l’offerta su Go Lavoro: golavoro.it/annuncio-lavoro/86cuv7