Release Engineer (DevOps)

TL;DR

Release Engineer (DevOps): Building and optimizing automation systems for Thunderbird's software releases across desktop and mobile platforms with an accent on CI/CD workflows, dependency management, and toolchains. Focus on adapting Firefox build system changes, troubleshooting complex build issues, and ensuring timely, high-quality delivery.

Location: Remote (US). Applicants must reside in and have permanent work authorization for the US. Visa sponsorship is not provided.

Salary: $103,000–$122,000 USD

Company

hirify.global Technologies Corporation (hirify.global) is a wholly owned, for-profit subsidiary of the Mozilla Foundation, focused on developing open-source email and productivity platforms like Thunderbird, empowering over 20 million users worldwide.

What you will do

• Develop and maintain workflows for automating software builds and releases, including managing dependencies and toolchains.
• Write and enhance CI/CD workflows, packaging, and installation scripts for Thunderbird on Linux, Windows, macOS, Android, and iOS.
• Adapt build script changes from Firefox engineering teams to Thunderbird's pipeline.
• Identify, troubleshoot, and resolve complex build, test, and dependency issues collaboratively.
• Ensure the timely and high-quality delivery of Thunderbird releases.
• Engage with the open-source community to gather feedback, address concerns, and foster collaboration.

Requirements

• 3+ years of professional experience in build and release engineering for multi-platform applications.
• Proficiency in C, C++, Rust, Kotlin, and Java, including knowledge of related toolchains.
• Strong understanding of Python and shell scripting for automation, version control, and CI/CD pipelines.
• Experience with Docker, Kubernetes, Mercurial, Git, DevOps principles, and cloud-based infrastructure (AWS or GCP).
• Excellent English written and verbal communication skills.
• Commitment to open-source development and open standards.

Nice to have

• Familiarity with JavaScript and CSS for front-end support.
• Experience with Taskcluster or similar CI systems.
• Low-level system experience with Linux, Windows, and/or macOS.
• Familiarity with legacy (Make) and modern (Bazel, Buck, Blaze) build systems.
• Previous experience contributing to open-source projects.

Culture & Benefits

• Fully remote work with schedule flexibility.
• Discretionary Annual Bonus Program and stipends for remote work and professional development.
• 24 days PTO, public holidays, birthday leave, and year-end company shutdown.
• 401(k) contributions, comprehensive health, dental, and vision insurance.
• Paid parental leave and sick days.
• Opportunity to work with a passionate, geographically distributed team and open-source community.

Hiring process

• Apply directly through the career page.
• Careful review of cover letters and screening questions; authenticity valued.
• Unoriginal AI-generated answers will lead to disqualification.