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 platforms.
Adapt changes to build scripts made by the Firefox engineering teams to Thunderbird.
Identify, troubleshoot, and resolve complex build, test, and dependency issues in collaboration with developers and contributors.
Participate in process improvement initiatives, contribute to the evaluation and design of alternative solutions, and support ad hoc projects as required.
Ensure the timely and high-quality delivery of Thunderbird releases.
Engage with the open-source community to gather feedback, address concerns, and foster collaboration.

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.
Excellent English written and verbal communication skills, with the ability to clearly and concisely engage with an international, geographically distributed team.
Commitment to open-source development and open standards, with proven ability to independently complete projects on time and with high quality.

Release Engineer

Key skills