Staff Software Engineer, DOM Workers Storage

November 19

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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

• Improve Storage, Workers and system-level surfaces of our Web engine, with a strong focus on performance, stability and security • Develop and debug in a large, complex, multi-threaded, and multi-process codebase • Develop and debug across multiple platforms • Investigate issues and propose solutions and architectural improvements • Drive features and projects from start to completion • Read and implement API specifications, and contribute to the standards process • Collaborate with the widespread Firefox team on shared goals

🎯 Requirements

• Proficiency in C++ • Deep experience with multi-threaded, multi-process codebases, including work on performance-critical, sandboxed or storage architectures • Ability to work with web specifications (like IndexedDB, File System, Web Workers, Service Workers), with the curiosity and adaptability to quickly deepen this expertise • Cross-platform development experience with native applications (desktop and mobile) • Proven ability to deliver maintainable solutions in large, evolving codebases • Strong problem-solving skills, able to diagnose complex issues without clear logs or reliable reproduction steps • Great written communication skills and ability to lead discussions effectively, both in writing and verbally • Commitment to our values: Welcoming differences, Being relationship-minded, Practicing responsible participation, Having grit.