Top Tech Jobs & Startup Jobs in Belfast

As a Senior Systems Software Engineer, you'll develop performance tools for Firefox, enhancing user experience and collaborating across teams to improve insights and data capture.

The Staff Software Engineer will enhance the Gecko Browser engine's rendering capabilities, improve performance, and maintain code quality while collaborating with industry standards organizations.

Develop and improve Firefox browser integration with operating systems, enhance security and usability for enterprises, collaborate with distributed teams, and fix software defects.

As a Senior Software Engineer at Mozilla, you'll develop modern web applications focusing on frontend experiences, collaboration, and platform security.

As a Staff Software Engineer at Mozilla, you will optimize the Gecko implementation of web standards, enhance performance and reliability, and collaborate across teams on web technologies.

As a Senior Desktop Integrations Engineer, you'll improve Firefox features related to OS integration, manage complex bugs, collaborate in a distributed team, and contribute to high-quality software development.

As a Senior Software Engineer, you'll enhance Firefox desktop integrations, tackle OS challenges, and collaborate on project goals with your team.

The Senior Software Engineer will lead technical initiatives, shape product vision, and develop web services to enhance Thunderbird's features and infrastructure while ensuring email deliverability and performance.

Develop and maintain Firefox's crash reporting systems across operating systems, ensuring high-quality user experiences while analyzing crash data and collaborating in a distributed team environment.

As a Software Engineer in the DOM Core team, you will enhance Web engine capabilities, implement APIs, and collaborate with a global team.