Customer.io

Senior Software Engineer, Full Stack

Customer.io

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $150,000 - $200,000 per year

Job Level

About the role

  • 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

Requirements

  • 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.
Benefits
  • 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
  • A professional development budget and more.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
GoReactEmberTypeScriptAPIsrelational databasestestable codeperformant codebackend servicesproduct-facing features
Soft Skills
collaborationmentorshipcommunicationcustomer experienceownershipaction-oriented mindsetknowledge sharingfrontend polishbackend performancescalability