Senior Software Engineer - Email Channel at Customer.io
- Company: Customer.io
- Location: Remote
- Employment type: Full-time
- Posted: 2026-05-11
About the role
Hi, I'm Brian, Senior Director of Engineering at Customer.io. We're looking for experienced engineers who want to own a channel end to end — from the infrastructure that delivers billions of messages reliably, to the product surfaces our customers use to build, send, and analyze their campaigns. You'll work across the stack, bringing both systems thinking and product craft to one of the most technically rich problem spaces in the industry. You don't need email experience to apply. We can teach you the email domain. The engineers who thrive here are the ones who love learning a deep problem space, not only the ones who arrive already knowing it. About Customer.io. Over 9,000 companies — from scrappy startups to global brands — use our platform to send billions of emails, push notifications, in-app messages, and SMS every day.…
Apply on Customer.io's official careers page: https://job-boards.greenhouse.io/customerio/jobs/7914033