Mozilla Corporation

A Senior Software Engineer contributes to architectural discussions and driving feature development within a team. As part of the Desktop Integrations team, you'll focus on updates, installs, and integrating Firefox with different OS platforms, particularly Windows and macOS, helping grow the user base.

As a Senior Engineer, you’ll drive AI testing projects (manual & automation), collaborate with cross-functional teams and advocate for testing and quality. Our team is invested in fostering a culture of learning, growing strong leaders and building a collaborative work environment. We want to raise the performance bar with every hire and promotion.

As a Staff UX Product Designer with an AI focus, you’ll help define the future of browsing and shape the next generation of AI-powered features in Firefox. In this role, you’ll explore new ideas, bring design systems to life, and elevate product quality with refined, visually engaging, and thoughtful design. You’ll influence how millions of people interact with the web, balancing UI patterns with AI innovations.

As a Senior Product Designer, with a strong foundation in visual and interaction design, you will collaborate with product managers, engineers, researchers and other designers to craft experiences that drive engagement, improve retention, and reflect the Firefox brand. Your work will shape both the look and feel of Firefox across platforms, informing our visual design language and design system. You will play a pivotal role in shaping our visual and interaction patterns.

As Senior Product Manager, you will guide the future of Firefox’s engine, Gecko, requiring deep knowledge of browser technologies, user behavior, and strategic market positioning, including strategic roadmap development for Firefox core web technologies and collaboration with engineers to align initiatives.

The Desktop Engineering team seeks a Senior Frontend Engineer to develop AI-powered features in Firefox, enhancing the web browser's value for users. The role involves building high-quality user interfaces, writing code and tests, and collaborating with designers and engineers to improve the web. Additionally, it includes leveling up fellow engineers' skills and maintaining high code-quality standards.

Lead global marketing efforts to the enterprise audience for Firefox, with an initial focus on expanding our footprint in Europe in a key 6-month strategy role. Lead the inbound marketing efforts to successfully launch an enterprise browser business, including segmentation, market entry strategy, pricing strategy, positioning, messaging, channel strategy and sales enablement. Directly responsible for the marketing activity, including defining both the market entry strategy and the organization required to drive business growth.

The New Products group is building a suite of content creation and productivity tools to help small and medium businesses grow their customer base. As a Staff Full-Stack Engineer on our small and mighty team, you will have a seat at the table for all conversations on product vision and strategy. You will play a key role in shaping and building a new product from early prototyping, to MVPs, to finding product market fit.

As a Senior Data Scientist, you will practice full-stack data science, find patterns in data, and hone your technical skills. You'll apply expertise in quantitative analysis, statistical modeling, and data visualization to understand how the worldwide community experiences our products. This role will drive the analytical backbone of Mozilla’s revenue optimization and business development efforts, delivering advanced forecasting models and monitoring business KPIs.