Senior Software Engineer, Firefox Desktop

🕒 July 10

🇪🇸 Spain – Remote

💵 €58k - €77k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 6%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mozilla

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 1998

👥 B2C

🔒 Cybersecurity

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.

📋 Description

• Contribute to the development and improvement of Firefox features related to installs, updates, and OS integrations. • Help implement enhancements to the Firefox installation and update experience, using data insights to guide development. • Tackle platform-specific challenges in low-level operating system integration on Windows and/or macOS. • Collaborate with your manager and teammates to scope and prioritize work in alignment with the team’s goals. • Participate in code reviews and contribute to technical discussions with peers. • Take ownership of complex bugs and lead efforts to improve the Firefox experience for hundreds of millions of users. • Work closely with your geographically distributed team in a highly collaborative environment.

🎯 Requirements

• 3-5 years experience as Software Engineer • Experience with systems-level programming on at least one major platform (Windows, macOS) • Solid programming skills in C/C++ • Effective communicator and collaborator, especially in distributed teams • Ability to break down technical work and make steady progress within project timelines • A collaborative mindset and a desire to contribute to team success.

🏖️ Benefits

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team • Rich medical, dental, and vision coverage • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) • Quarterly all-company wellness days where everyone takes a pause together • Country specific holidays plus a day off for your birthday • One-time home office stipend • Annual professional development budget • Quarterly well-being stipend • Considerable paid parental leave • Employee referral bonus program • Other benefits (life/AD&D, disability, EAP, etc. - varies by country)