# Senior Software Engineer, Backend

**Company:** [Customer.io](https://hotfix.jobs/companies/customerio)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $150k – $200k/yr
**Experience:** 7+ years
**Skills:** Go, AWS, GCP, MySQL, Distributed Systems, Observability Tooling, Relational Databases, Cloud-Native, System Design, AI Agents
**Posted:** 2026-04-03

> Build and scale distributed backend systems in Go for high-volume customer communications. Requires 7+ years experience with Go or similar, cloud environments like AWS/GCP, MySQL, and production observability.

## Job Description

## What You’ll Do

- Design and build distributed systems in Go that help customers send timely, relevant messages at scale
- Collaborate across teams to debug issues and deliver reliable solutions
- Own problems end to end - from architecture and schema design to testing, deployment, and monitoring
- Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship
- Use AI agents to make multi-file changes by scoping the work, writing the prompt, and verifying the output

## What we're looking for

- 7+ years of experience building scalable, distributed systems in Go (or similar statically typed languages)
- Comfort working in cloud-native environments (AWS, GCP)
- Familiarity with relational databases (we use MySQL) and an understanding of performance tradeoffs
- Experience with observability tooling and operating production systems
- A bias for action over perfection, and pride in owning technical decisions

## Compensation & Benefits

Starting salary for this role is $150,000 - $200,000 USD (or equivalent in local currency) depending on experience and subject to market rate adjustment.

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**Apply:** https://hotfix.jobs/jobs/b72b8afe-7457-4607-b2c0-5de617ad4fe1
**Canonical:** https://hotfix.jobs/jobs/b72b8afe-7457-4607-b2c0-5de617ad4fe1