Frontend Software Engineer, Firefox

Mozilla Corporation

Job Overview

Location

Remote

Job Type

Full-time

Full Job Description

📋 Description

• As a Frontend Software Engineer on the Firefox team at Mozilla, you will contribute to building a better internet by improving the world’s most privacy-focused web browser used by over 225 million people monthly.
• Day to day, you will write code, tests, and specifications; build prototypes; analyze performance problems; synthesize bug reports into actionable tasks; ensure Firefox aligns with web standards; and improve data quality for better decision-making, all while collaborating with a global open-source community.
• You will join the Firefox Growth team, working on features that drive user acquisition and retention, with frequent collaboration across distributed teams and opportunities to learn from mentors and contribute to open-source software that impacts users worldwide.
• In this role, you will deepen your expertise in JavaScript, HTML, CSS, and systems programming (C++/Rust), gain experience in performance analysis and optimization, and grow into a stronger engineer through hands-on work on a large, impactful codebase and ongoing professional development.

🎯 Requirements

• Good interpersonal and communication skills
• A good grasp of JavaScript, HTML, and CSS
• BS in Computer Science or a related field or equivalent experience
• Motivation to learn new tools and techniques for improving existing software
• Interest in multi-threaded systems, performance analysis, and optimization

🏖️ Benefits

• Generous performance-based bonus plans for all eligible employees
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting
• Quarterly all-company wellness days and quarterly well-being stipend
• Annual professional development budget and one-time home office stipend
• Considerable paid parental leave and employee referral bonus program

Skills & Technologies

JavaScript

Rust

Frontend

Remote

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Mozilla Corporation

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About Mozilla Corporation

Mozilla Corporation is a wholly-owned subsidiary of the Mozilla Foundation that develops, maintains, and distributes the Firefox web browser and related open-source software. Founded in 2005 and headquartered in Mountain View, California, it operates as the for-profit arm of the non-profit Mozilla Foundation, ensuring the continued development of open, interoperable internet technologies while funding the foundation’s public-benefit mission. The corporation generates revenue primarily through search partnerships and premium services, reinvesting profits into advancing privacy, security, and user empowerment across the web.

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