Frontend Engineer

Position Overview

Customer.io is seeking thoughtful, experienced frontend engineers who love designing delightful user interfaces and care deeply about the details. You will build the tools that empower our customers to create better experiences for theirs. Our platform helps over 7,500 companies send billions of emails, push notifications, in-app messages, and SMS every day, powering automated communication that people actually want to receive. We leverage Go, React, Ember, and AI to ship fast and scale with confidence.

What We Value

• Ownership: You own problems end to end, move fast, act like an owner, and thrive in ambiguity. You have led complex projects and are ready to do so again.
• Engineers with Product Taste: You think like a user, advocate for clean, intuitive design, and love turning complex workflows into seamless, elegant interfaces.
• Healthy Skepticism: You bring rigor and creativity, valuing forward motion over rigid adherence to "the way things are done."

Responsibilities

• Build high-quality, accessible UIs in React and Ember that power core user workflows.
• Collaborate with engineers and designers to bring new features to life.
• Continuously improve our design system and frontend architecture for performance and scalability.
• Share knowledge and raise the bar by sharing your progress publicly with the team.
• Leverage AI tools to prototype, move faster, and make better decisions.

Requirements

• 7+ years of frontend experience building complex applications.
• Fluency in JavaScript, HTML, CSS, and modern frameworks like React.
• Ember.js experience is a bonus, or you are open to learning.
• Care for polish, performance, accessibility, and the full user experience.
• Strong product thinking, with an understanding of how your code fits into the bigger picture.
• A bias for action over perfection, and pride in owning technical decisions.

Compensation & Benefits

• Salary: $150,000 - $200,000 USD (or equivalent in local currency), depending on experience and subject to market rate adjustment.
• 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.
  • Professional development budget.
  • And more.
  • See full benefits here →

Our Process

Our hiring process is designed to be clear and human, without trick questions.

1. Application: We review everyone with care. Please tell us why you're interested.
2. Recruiter Call (30 mins): A conversation about your aspirations and how we work.
3. Behavioral Interview (60 mins): Discuss topics like ownership, product thinking, and collaboration with a hiring manager.
4. Technical Interview (60 mins): A conversation focused on your frontend experience.
5. Take-Home Assignment: A short, realistic task similar to work you'd do here.
6. Assignment Review Call (60 mins): Discuss your work, tradeoffs, priorities, and potential iterations.

All final candidates will be asked to complete a background check and employment verifications.

Company Information

Customer.io powers automated communication that people actually want to receive. We help teams send smarter, more relevant messages using real-time behavioral data. We are committed to increasing inclusion and equity within the tech industry, striving to build an inclusive team culture, implement bias-free hiring practices, and develop community partnerships.

Location Type

Remote (Zoom is the only tool mentioned for communication)

Employment Type

Full-time (Implied by the comprehensive benefits and hiring process)