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Mozilla

Spain HQ: MadridGlobal HQ: Mountain View, USA1100 employeesFounded 1998Madrid

Mozilla is a global nonprofit organization best known for the Firefox web browser, which it develops alongside other privacy-focused products like Pocket, Mozilla VPN, and the open-source email client Thunderbird. Founded in 1998, Mozilla operates as a mission-driven entity, advocating for an open and accessible internet. The company has a significant engineering presence worldwide, with teams working on browser development, security, and product innovation.

In Spain, Mozilla has an established office in Madrid, which serves as a hub for engineering and security roles. The company is known for its collaborative, remote-friendly culture and its commitment to open-source principles. For international professionals, Mozilla offers a unique opportunity to work on widely-used products while contributing to a public benefit mission. The Madrid office is part of a global network, providing a multicultural environment and the chance to work with colleagues across different time zones.

Company History

Mozilla was founded in 1998 as a project to create an open-source web browser, leading to the release of Firefox in 2004. Over the years, it has expanded its product portfolio and advocacy efforts, becoming a leading voice for internet health and privacy. The Mozilla Foundation and its subsidiary, Mozilla Corporation, continue to drive innovation in web technologies and user-centric products.

For International Professionals

  • Mozilla's Madrid office is a key hub for Firefox engineering and security, offering roles in desktop and security engineering.
  • The company supports remote and hybrid work, with flexible arrangements that can ease relocation.
  • Mozilla is a nonprofit-backed organization, meaning employees contribute to a public benefit mission rather than purely commercial goals.
  • The Madrid office is part of a global team, providing opportunities to collaborate with colleagues across the US, Europe, and other regions.
  • Mozilla offers competitive benefits and a supportive environment for international hires, including visa sponsorship for eligible roles.

Open Positions (3)

€58,000 – €77,000/year