mozilla

Release Engineer

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At a Glance

Location
Canada
Work Regime
remote
Experience
3+ years
Compensation
es for this role are: Canada: $93,000 - $106,000 CAD We may consider candidate
Posted
2026-03-03T13:57:38-05:00

Key Requirements

Required Skills

AWSCI/CDDevOpsDockerGCPGitJavaJavaScriptKotlinKubernetesLinuxPythonRust

Domain Knowledge

  • Automation
  • Engineering

Benefits & Perks

Health Insurance

s Health, Dental, & Vision Insurance Disability Insurance Life Insurance Emp

Requirements

3+ years of professional experience, including build and release engineering for applications on Linux, Windows, macOS, Android, and iOS platforms.

Proficiency in C, C++, Rust, Kotlin, and Java, including knowledge of related toolchains and dependencies.

Strong understanding of Python and shell scripting for automation, version control, and CI/CD pipelines.

Experience building, compiling, and release engineering native desktop or mobile applications, with demonstrated ability to debug complex build and compile issues.

Working knowledge of containerization technologies such as Docker and Kubernetes, distributed version control systems (Mercurial and Git), and DevOps principles and cloud-based infrastructure such as AWS or GCP.

Demonstrates strong ownership of assigned tasks, ensuring timely completion and proactively managing multiple simultaneous requests, working both independently and as part of a team.

Responsibilities

As a

Release Engineer

you will play a key role in building, maintaining, and evolving the automation systems that power Thunderbird’s software releases across desktop and mobile platforms (Linux, Windows, macOS, Android, and iOS).

You’ll join the Release Operations team, which is responsible for ensuring our builds are reliable, reproducible, secure, and delivered on time to millions of users worldwide. This team operates at the intersection of engineering, infrastructure, and product delivery, strengthening our automation systems and enabling developers to ship with confidence.

Because Thunderbird shares upstream technologies with Firefox, you will collaborate across the broader Mozilla ecosystem to adapt and integrate build system changes into Thunderbird’s release pipeline.