Senior Software Engineer, Backend @Customer.io

Overview

The role is for a Senior Software Engineer specializing in backend systems at Customer.io, a company that helps businesses power effective communication through their platform.

Key Responsibilities

• Design and build distributed systems in Go to help customers send timely, relevant messages at scale.
• Collaborate across teams to debug issues and deliver reliable solutions.
• Own problems end-to-end, including architecture, schema design, testing, deployment, and monitoring.
• Participate in an on-call rotation to support system reliability.
• Share knowledge through videos, writing, and mentorship.
• Use AI agents for multi-file changes by scoping work, writing prompts, and verifying outputs.

Requirements

• 7+ years of experience building scalable, distributed systems in Go (or similar statically typed languages).
• Comfortable working in cloud-native environments (AWS, GCP).
• Familiarity with relational databases (MySQL) and understanding of performance tradeoffs.
• Experience with observability tooling and operating production systems.
• A bias for action with ownership of technical decisions.

Benefits

• Starting salary between $150,000 - $200,000 USD, depending on experience.
• 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family.
• 16 weeks paid parental leave.
• Unlimited PTO.
• Stipends for remote work and wellness, along with a professional development budget.

Location

This is a remote position available to candidates in the Americas.

How to Apply

Interested candidates can apply by sending an email to jobs@customer.io.

Deadline

No specific deadline stated.