Software Engineer, Release Engineering

RemotemidPosted Aug 19, 2026

PythonCI/CDAWSLinuxShell+6 more

About this role

Join Mozilla's Release Engineering team to optimize and maintain CI/CD pipelines that ship Firefox to 200M+ users across platforms and locales. You'll work on scalable build, test, and deployment automation in a distributed, mission-driven environment.

Must have

Bachelor's degree in computer science or equivalent experience

Minimum 2 years experience with object-oriented programming, preferably Python

Passion for CI/CD pipelines

Previous experience using cloud resources such as AWS, GCP, or Azure

Comfortable developing in Windows, macOS, and Linux environments

Experience with shell scripting

Experience working on a team distributed across time zones

Technologies

PythonAWSGitDockerLinuxShellWindowsOOPOpen sourcemacOSCI/CD

Responsibilities

Write scalable software for build, test, and release automation running tens of thousands of tasks daily

Collaborate with senior engineers to improve developer experience and implement improvements

Work with a geographically-distributed development team across North America and Europe

Request and provide code reviews with team members

Respond to critical service outages during normal working hours

Benefits

Training and career developmentPaid parental leaveDental insuranceVision insuranceRetirement benefits with matchWellness platform with incentivesWellness allowanceHome office allowanceReferral programMedical insurancePaid time offPerformance-based bonus plans

Amenities

Quarterly all-company wellness daysDay off for your birthdayOne-time home office stipendAnnual professional development budgetQuarterly well-being stipend