Senior Backend Engineer

Readdle; United States; Remote; USD 45,000 - 60,000; Full time

Job summary

Readdle is seeking a Go backend engineer to own features from design through production, building services for a cross-device email product. You’ll work on synchronization, integrations, data processing, and performance in a distributed system, with opportunities to contribute to desktop and mobile client code.

In this role you’ll break down work, estimate effort, coordinate with teammates, and deliver changes to production.

Qualifications

• Go backend developer with solid production experience.
• Experience taking features from idea to production.
• Strong database optimization, indexing and large-table queries.
• Knowledge of distributed systems and asynchronous processing.
• Practical Kubernetes experience (deployments, debugging).
• Comfort using AI coding tools with code review discipline.
• Some frontend experience and willingness to contribute client-side work.

Responsibilities

• Shape features by breaking down work, estimating effort, coordinating with teammates, and delivering changes to production.
• Build and evolve Go services for synchronization, integrations, and large-scale data processing.
• Improve database access and query performance on large MySQL tables, and design asynchronous workflows.
• Investigate alerts and production behavior using logs, metrics, and Kubernetes workloads.
• Test changes and review code in backend repositories.
• Gradually contribute to desktop and iOS client features, using AI coding tools where useful and verifying their output.

Skills

Go

End-to-end feature delivery

Database optimization

Distributed systems

Kubernetes

AI tooling

Frontend basics

Tools

MySQL

Kubernetes

Job description

Role overview

Own backend product features from initial design through production, building Go services for a cross-device email product. The work spans synchronization, integrations, data processing, and performance in a distributed system, with opportunities to contribute to desktop and mobile client code as you learn the product.

Responsibilities

• Shape features by breaking down work, estimating effort, coordinating with teammates, and delivering changes to production.
• Build and evolve Go services for synchronization, integrations, and large-scale data processing.
• Improve database access and query performance on large MySQL tables, and design asynchronous workflows.
• Investigate alerts and production behavior using logs, metrics, and Kubernetes workloads.
• Test changes and review code in backend repositories.
• Gradually contribute to desktop and iOS client features, using AI coding tools where useful and verifying their output.

Requirements

• Strong, practical Go development experience.
• Experience taking substantial features from idea and design through production delivery.
• Strong database optimization skills, including indexing, query tuning, and working with large tables.
• Knowledge of distributed systems and asynchronous processing, including queues, retries, failure handling, and consistency.
• Practical Kubernetes experience, including deployment, debugging, and issue investigation.
• Confidence using AI coding tools with the judgment to review and validate generated code.
• Some frontend experience and willingness to contribute to client-side code when needed.

Benefits and work setup

• Remote role based in Warsaw, Poland.
• A customer-focused product culture, opportunities to learn through feedback and challenging work, and the chance to shape software used by a large user community.