# Senior Software Engineer, Full Stack

**Company:** [Customer.io](https://hotfix.jobs/companies/customerio)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $150k – $200k/yr
**Experience:** 7+ years
**Skills:** Go, React, Ember, TypeScript, APIs, Relational Databases, AI Agents
**Posted:** 2026-04-02

> Build and ship fullstack features using Go, React, and Ember to power customer workflows at scale. Requires 7+ years experience, fluency in TypeScript/React/Go, and strong focus on performance and customer experience.

## Job Description

## What You’ll Do

- Build fullstack features in **Go**, **React**, and **Ember** that power key customer workflows
- Collaborate with others to turn ideas into shipped customer value
- Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship
- Help evolve our systems to scale with more customers, messages, and use cases
- 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 and scaling backend services and product-facing features
- Fluency in **TypeScript**, **React** (or similar), and a statically typed backend language like **Go**
- A strong care for frontend polish, backend performance, and the overall customer experience
- Proficiency with **APIs**, **relational databases**, and writing testable, performant code
- 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/ac01ebf2-39fc-484e-be7d-f4b9bc64810a
**Canonical:** https://hotfix.jobs/jobs/ac01ebf2-39fc-484e-be7d-f4b9bc64810a