Remote Backend Engineer: Scalable Email Infra

Jobgether SRL; France; Remote; EUR 133.000 - 151.000; Vollzeit

Benefits dieser Stelle

Fully remote

Competitive salary

Modern tech stack

Team off-sites

Zusammenfassung

Lever, Inc. is seeking a Backend Engineer with expertise in high-volume delivery systems to build and operate scalable email infrastructure.

The role focuses on SMTP delivery, MTA operations, routing, retries, and delivery controls, while improving reliability, observability, and safety of sending. You will partner with Trust & Safety and Core Sending teams in a fully remote environment with flexible schedules and occasional team meetups.

Qualifikationen

• Strong backend engineering experience with scalable systems.
• Experience with high-volume delivery or messaging infrastructures.
• Familiarity with SMTP, MTAs, DNS, and IP handling is a plus.
• Emphasis on reliability, observability, and incident readiness.
• Proficiency in TypeScript and/or Go is highly valued.

Aufgaben

• Build and operate email transport and delivery infrastructure.
• Develop systems for SMTP delivery, MTA operations, routing, retries, and delivery controls.
• Design throttling across domains, providers, and IPs.
• Support shared and dedicated IPs, warmup workflows, and reputation-aware routing.
• Improve handling of bounces, deferrals, and delivery outcomes.
• Create internal tools to diagnose delivery issues across customers and routes.
• Participate in on-call rotations for critical services.

Kenntnisse

Backend engineering

Distributed systems

TypeScript

Go

Observability

Queues & retries

Tools

PostgreSQL

AWS

Datadog

DNS

SMTP/MTAs

Jobbeschreibung

Lever, Inc. is seeking a Backend Engineer with expertise in high-volume delivery systems to build and operate scalable email infrastructure.

The role focuses on SMTP delivery, MTA operations, routing, retries, and delivery controls, while improving reliability, observability, and safety of sending. You will partner with Trust & Safety and Core Sending teams in a fully remote environment with flexible schedules and occasional team meetups.