Backend Engineer

About the Role

Resend is growing fast, and there are now over 4 million developers using it. We’re building our core team of software engineers to support millions of emails sent every day. We’re a small team that cares deeply about developer experience, reliability, and quality. We’re looking for engineers who enjoy shipping features end-to-end and understand how to build and operate the infrastructure behind them. This role is fully remote based in Americas or European timezones, with some expected travel for team offsites, conferences, meetups, and more. Read more about how we work, how we hire, and what we value here. https://resend.com/handbook IN THIS ROLE, YOU WILL… - Own features end-to-end, from proposing ideas and scoping projects to building APIs, dashboard experiences, and the services behind them. - Build reliable distributed systems, including queues and background workers that handle traffic spikes, retries, and failures predictably. - Scale APIs and databases, improving performance, data integrity, and efficiency as usage grows. - Operate what you build, with meaningful monitoring, safe deployments, and participation in our on-call rotation. https://resend.com/handbook/engineering/how-we-handle-on-call-rotations - Work closely with support and customers to understand recurring problems and turn them into product improvements. - Improve engineering quality, strengthening tests, tooling, and existing systems alongside building new capabilities. YOU WILL BE A GREAT FIT IF YOU... - Have 8+ years of software engineering experience, with substantial experience building and operating backend services in production - Have worked with queues, asynchronous processing, and distributed systems, including retries, duplicate events, concurrency, and partial failures - Have the ability to design systems from scratch and think through the rollout of those systems - Understand cloud infrastructure and service operations, including deployments, observability

Key Responsibilities

• Own features end-to-end, from proposing ideas and scoping projects to building APIs, dashboard experiences, and the services behind them.
• Build reliable distributed systems, including queues and background workers that handle traffic spikes, retries, and failures predictably.
• Scale APIs and databases, improving performance, data integrity, and efficiency as usage grows.
• Operate what you build, with meaningful monitoring, safe deployments, and participation in our on-call rotation. https://resend.com/handbook/engineering/how-we-handle-on-call-rotations
• Work closely with support and customers to understand recurring problems and turn them into product improvements.
• Improve engineering quality, strengthening tests, tooling, and existing systems alongside building new capabilities.

Requirements & Qualifications

• Strong problem solving foundations, knowledge of modern engineering practices, and interest in technology systems.

Perks & Benefits

• Official mentor support
• verified hiring timeline
• and career progression.