Senior Email Channel Engineer — Deliverability & Scale

Customer.io • estado de méxico, estado de méxico, Mexico • Posted June 07, 2026

Location estado de méxico, estado de méxico
Job Type Full-time
Category Other-General
Posted June 07, 2026
Customer.io is seeking a Senior Software Engineer to take ownership of the email channel, from infrastructure to product surfaces. This role involves building and evolving frontend experiences for email campaigns, designing backend systems for high-volume sending, and ensuring deliverability. Applicants should have over 7 years of experience with scalable systems, proficiency in Go and React, and an understanding of email authentication. Customer.io offers a competitive salary of $150,000 – $200,000 USD and a comprehensive benefits package including unlimited PTO and 16 weeks of paid parental leave.
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