Backend Engineer

• 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.
• Read more about how we work, how we hire, and what we value here. https://resend.com/handbook
• 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, capacity, and debugging production issues
• Have experience designing APIs and relational data models, diagnosing slow queries, and making safe database changes
• Have experience managing production infrastructure with infrastructure as code, using tools such as Terraform or AWS CDK
• Are comfortable working across the stack to deliver a complete product experience
• Take initiative, communicate tradeoffs clearly, and know when to ask for help
• Enjoy helping other developers and care about the details that make software easy to use
• Communicate clearly in written and spoken English and can consistently work with overlap during Americas working hours
• YOU WILL BE AN EXCEPTIONAL FIT IF YOU ALSO...
• Have deep experience with Node.js, TypeScript, Go, and Postgres
• Have built and operated services on AWS, using serverless or container-based infrastructure
• Have worked on developer tools, public APIs, or email infrastructure
• Meaningful ownership: Help decide what we build and take responsibility for how it works

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