Software Engineer, Release Engineering

Mozilla

Release engineer optimizing build and deployment pipelines for Mozilla’s open-source Firefox browser. Scaling software delivery, improving developer experience, and supporting reliable releases across platforms.

Posted 8/17/2026full-timeRemote • 🇨🇦 CanadaJuniorMid-Level💰 CA$74,000 - CA$110,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Object-Oriented Programming, particularly in Python, and a strong understanding of CI/CD pipelines. Proven ability to collaborate effectively with distributed teams and optimize build and deployment processes.

Highest-signal resume keywords

Object-Oriented ProgrammingPython DevelopmentCI/CD Pipeline OptimizationCloud Resources (AWS, GCP, Azure)Shell Scripting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Object-Oriented ProgrammingPythonShell ScriptingCI/CD PipelinesCode ReviewBuild and Deployment Optimization

Soft Skills

CollaborationRelationship-MindedGrit

Tools & Technologies

AWSGCPAzureWindowsMacOSLinux

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Mozilla ValuesDistributed DevelopmentService Outages

Tech Stack

Tools & technologies

AWSAzureCloudGoogle Cloud PlatformLinuxMacOSPythonShell Scripting

About the role

Key responsibilities & impact

Write software that scales for tens of thousands of tasks used to build, test, and release Firefox every day
Collaborate with senior+ engineers to improve the developer experience and implement improvements
Work with a geographically distributed development team between North America and Europe
Request and provide code reviews
Respond to critical service outages during normal working hours, with no on-call rotation required
Help optimize and maintain Mozilla’s build and deployment pipeline

Requirements

What you’ll need

Bachelor's degree in computer science (or related programs) or equivalent work experience
Minimum of 2 years of experience working in an object-oriented programming language, 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
Experience improving existing code bases and tools
Commitment to Mozilla’s values: welcoming differences, being relationship-minded, practicing responsible participation, and having grit

Benefits

Comp & perks

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)