Senior Full-Stack Engineer, Email Systems

Mozilla
Full-time Toronto, Ontario Computer Occupations
Posted:
March 03, 2026
Location:
Toronto, Ontario, Canada

Job Description

The Opportunity

:

As a Senior Software Engineer, Web Services, you’ll contribute to a whole new suite of communication tools including end-to-end encrypted file sharing, an email service, an appointment booking service, and more. You’ll join the Web Services Team, which is responsible for building and maintaining the accounts and email services that power these offerings.


The ideal candidate will have a strong focus on web development, infrastructure, and service architecture. This person has direct experience with email delivery, is autonomous, and can lead feature development from an ambiguous project statement to a concrete plan and implementation. You are passionate about delivering quality to customers and naturally think about products from the user’s perspective, always seeking ways to improve and elevate the experience.


You’ll work closely with designers, engineers, and community members to develop and maintain user-facing featu...

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Job Overview

Job Type: Full-time
Location: Toronto, Canada
Posted: March 03, 2026
Deadline: April 12, 2026