Customer.io, founded in 2012, is a customer engagement platform that helps businesses send messages and create personalised customer journeys using real-time behavioural data across multiple channels. The company serves over 8,000 businesses, processing billions of messages daily, and has surpassed $100m in annual recurring revenue. Its technology stack includes Go, React, Ember.js, and AI capabilities.
The company operates as a remote-first organisation with more than 360 employees spread across over 30 countries, with a base in Portland, Oregon. Customer.io's stated mission is to provide tech-savvy marketers with tools for personalised engagement, with a focus on data privacy, reliable message delivery, and unobtrusive software design.






