Remote Backend Engineer — Email Delivery Infrastructure

Lever, Inc.; Lisboa; Remote; EUR 65,000 - 95,000; Full time

Job summary

Lever, Inc. is hiring a Backend Engineer to join a fully remote team based in Portugal.

You will build and operate the backend that powers high-volume email delivery, including SMTP, MTA operations, routing, retries, throttling, and delivery controls. You will work with TypeScript or Go on a stack that includes AWS, PostgreSQL, and Datadog, emphasizing reliability, observability, and ownership of critical infrastructure.

Qualifications

• Experience building backend services for high-volume email delivery.
• Strong focus on reliability and observability.
• Ownership of infrastructure and deployment.

Responsibilities

• Build and operate backend powering high-volume email delivery.
• Collaborate with Trust & Safety and Core Sending teams.
• Ensure reliability and performance of email delivery systems.

Skills

Go

TypeScript

Backend Engineering

Tools

AWS

PostgreSQL

Datadog

Job description

Lever, Inc. is hiring a Backend Engineer to join a fully remote team based in Portugal.

You will build and operate the backend that powers high-volume email delivery, including SMTP, MTA operations, routing, retries, throttling, and delivery controls. You will work with TypeScript or Go on a stack that includes AWS, PostgreSQL, and Datadog, emphasizing reliability, observability, and ownership of critical infrastructure.