Desktop Integrations Engineer - Firefox (Remote)

Thunderbird; Canada; Remote; CAD 82,000 - 110,000; Full time

Benefits offered by this job

Remote work flexibility

Parental leave

Professional development budget

Home office stipend

Latest hardware and software

Job summary

Mozilla Corporation’s Firefox Desktop Integrations team is seeking a Software Engineer at an early-career level to contribute to cross-platform features such as OS notifications, taskbar integrations, and startup behavior. This role supports Remote Canada and involves collaboration with product, design, and data science to ship measurable improvements.

You will grow technically, work on Windows/macOS specifics, and contribute to a high-quality codebase in a distributed team with open

Qualifications

• Proficiency in at least one of C++, Rust, or JavaScript, and willingness to learn the others.
• Some experience building software that runs on a major desktop platform (Windows, macOS, or Linux).
• Curiosity about users and impact: you care whether a feature is used, not just whether it ships.
• Willingness to communicate clearly, ask questions, and seek feedback.
• Ability to contribute to collaborative projects and steadily build up your technical and problem-solving skills.
• A growth mindset and enthusiasm for contributing to impactful software.

Responsibilities

• Build and maintain Firefox features that help people get more value from Firefox and keep coming back, from OS notifications to taskbar and startup integrations.
• Implement product experiments with guidance from senior engineers, including feature flags, targeting, and telemetry, so we can measure what actually moves engagement.
• Work on platform-specific challenges on Windows and/or macOS where Firefox interacts directly with the operating system.
• Partner with product, design, and data science to understand the goal behind each feature and how its success will be measured.
• Collaborate with your manager and teammates to define and scope tasks, with regular check-ins to share progress and ask for support when needed.
• Participate in code reviews to grow your understanding and contribute to a high-quality codebase.
• Help identify and fix bugs that improve the Firefox experience for our global user base.
• Engage with a distributed team and contribute positively to our open and inclusive work environment.

Skills

C++

Rust

JavaScript

Desktop platforms

Job description

Mozilla Corporation’s Firefox Desktop Integrations team is seeking a Software Engineer at an early-career level to contribute to cross-platform features such as OS notifications, taskbar integrations, and startup behavior. This role supports Remote Canada and involves collaboration with product, design, and data science to ship measurable improvements.

You will grow technically, work on Windows/macOS specifics, and contribute to a high-quality codebase in a distributed team with open