Full-Stack Staff Product Engineer

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October 17

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Mozilla

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B2C • Cybersecurity • Software

Mozilla is a non-profit organization dedicated to promoting an open and accessible internet. They are the makers of the popular Firefox browser, which emphasizes user privacy, speed, and control. Mozilla also offers a range of products that focus on internet security and privacy, including Mozilla VPN, Firefox Relay, and Mozilla Monitor. Additionally, the organization is involved in open-source projects, AI innovation, and advocating for digital rights. Mozilla aims to empower users with trustworthy technology and policies that protect privacy, support open-source AI development, and foster accountability for tech companies.

501 - 1000 employees

Founded 1998

👥 B2C

🔒 Cybersecurity

📋 Description

• Design and implement end-to-end features across the stack. • Make architectural decisions that influence the entire product. • Build responsive UIs in React using modern patterns (hooks, server components, streaming). • Develop local-first data sync and storage strategies. • Integrate AI/LLM capabilities (streaming, embeddings, agentic workflows). • Create cross-platform desktop experiences with Tauri. • Implement email parsing, IMAP sync, and message intelligence. • Build real-time features using WebSockets and server-sent events. • Optimize performance for on-device ML inference. • Own the full product development cycle — from concept to release.

🎯 Requirements

• 10+ years of professional software development experience • 5+ years focused on frontend development • 3+ years of experience with React • 3+ years of experience with TypeScript • Experience delivering vertically integrated features across the stack (monorepo environments a plus) • Strong system design skills — data flow, state management, caching, and API design • Strong product sense — attention to UX, reducing friction, and thinking beyond specs • Experience with AI product development (at least 1 year preferred) • Fast learner with a growth mindset — comfortable working with emerging tools and technologies • Excellent written and verbal communication skills • Proven ability to collaborate with developers, designers, and product managers • Commitment to open-source development and open standards.

🏖️ Benefits

• Fully remote work & schedule flexibility • Latest Laptop • Remote Work Stipend • Professional Development Stipend • Access to Udemy Learning Platform • Industry Conferences • Company All Hands • 24 days PTO per year (prorated) • Your Birthday • Year-end Company Shutdown • Wellbeing Days • Public Holidays • Other Paid Leave • Wellbeing Stipend for Personal / Family Activities • RRSP Contributions • Health, Dental, & Vision Insurance • Disability Insurance • Life Insurance • Employee Assistance Program • Paid Parental Leave • Paid Sick Days