Senior Backend Engineer - Spark team

readdle70; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

readdle70 is seeking a backend Go Engineer to build and operate backend services for a cross-platform email product. You will own substantial features from design through production, tackling synchronization, data processing, and performance in a distributed system.

The role may expand to client-side contributions as you learn the product. You will work on Go services for synchronization, integrations, and data processing, with opportunities to touch frontend work as needed.

Qualifications

• Strong, hands-on experience writing Go.
• Experience owning large features from initial design to production delivery.
• Solid database optimization skills, including indexing and query tuning on large datasets.
• Understanding of distributed systems and asynchronous processing, including queues, retries, failure handling, and consistency.
• Practical experience deploying and troubleshooting with Kubernetes.
• Confidence using AI coding tools and carefully checking their output.
• Some frontend experience and willingness to work on client-side code as needed.

Responsibilities

• Design, break down, estimate, coordinate, and deliver features through production.
• Develop and evolve Go services for synchronization, integrations, and data processing.
• Improve queries and data access on large MySQL tables, and build asynchronous processing flows.
• Investigate production alerts using logs, metrics, and Kubernetes workloads; help keep services reliable.
• Test changes and review code in backend repositories.
• Contribute to desktop and mobile client work when features call for it, using AI coding tools as part of development.

Skills

Go language

Feature ownership

DB optimization

Distributed systems

Kubernetes

AI coding tools

Frontend experience

Tools

Kubernetes

Job description

Role overview

Build and operate backend services for a cross-platform email product, owning substantial features from design through production. The work spans synchronization across devices, service integrations, data processing, and performance in a distributed system. The role begins with backend development and can expand to client-side contributions as you learn the product.

Responsibilities

• Design, break down, estimate, coordinate, and deliver features through production.


• Develop and evolve Go services for synchronization, integrations, and data processing.


• Improve queries and data access on large MySQL tables, and build asynchronous processing flows.


• Investigate production alerts using logs, metrics, and Kubernetes workloads; help keep services reliable.


• Test changes and review code in backend repositories.


• Contribute to desktop and mobile client work when features call for it, using AI coding tools as part of development.

Requirements

• Strong, hands-on experience writing Go.


• Experience owning large features from initial design to production delivery.


• Solid database optimization skills, including indexing and query tuning on large datasets.


• Understanding of distributed systems and asynchronous processing, including queues, retries, failure handling, and consistency.


• Practical experience deploying and troubleshooting with Kubernetes.


• Confidence using AI coding tools and carefully checking their output.


• Some frontend experience and willingness to work on client-side code as needed.