Senior Backend Engineer

at Customer.io
📍 United States
USD 150,000-200,000 per year
SENIOR
✅ Remote

SCRAPED

Used Tools & Technologies

Not specified

Required Skills & Competences ?

Go @ 4 MySQL @ 3 GCP @ 4 Distributed Systems @ 4 Hiring @ 4 AWS @ 4 Communication @ 4 React @ 4

Details

Over 7,500 companies - from scrappy startups to global brands - use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. Customer.io powers automated communication that people actually want to receive.

We help teams send smarter, more relevant messages using real-time behavioral data. Under the hood: Go, React, Ember and AI help us ship fast and scale with confidence.

Responsibilities

  • 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
  • Leverage AI tools to prototype, move faster, and make better decisions

Requirements

  • 7+ years of experience building scalable, distributed systems in Go
  • 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

Benefits

We believe in transparency. 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.

Our inclusive benefits package supports your well-being and growth, including 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family. We also offer 16 weeks paid parental leave, unlimited PTO, stipends for remote work and wellness, a professional development budget, and more.

Our Process

  • Application - We review everyone with care. Tell us why you're interested.
  • Recruiter Call (30 mins) - Let’s chat about what you’re looking for and how we work.
  • Behavioral Interview (60 mins) - Talk with one of our hiring managers about your experience, values, and working style.
  • Technical Interview (60 mins) - A collaborative system design conversation focused on scaling challenges.
  • Take-Home Assignment - Complete a short, realistic task similar to what you’d work on here.
  • Assignment Review Call (60 mins) - Walk us through your work and discuss tradeoffs, priorities, and how you’d iterate.