Mozilla

New Products Principal Engineer

United States

Not SpecifiedCompensation
Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
Biotechnology, Internet, Software Development, AIIndustries

Requirements

Candidates must have at least 10 years of software engineering experience building high-performance developer tools, SDKs, or distributed systems, with a minimum of 3 years leading technical teams or large projects. Expertise in at least two of the following languages is required: Go, Ruby (Rails), Python, or TypeScript/JavaScript. A proven track record of architecting and shipping complex, high-throughput systems in production environments is essential, along with a deep understanding of browser internals, automation frameworks, and secure web interaction paradigms. Familiarity with modern AI/ML workflows or agent frameworks is also expected, as is a strong focus on code quality, testability, performance, and operational excellence, including TDD, automated testing, and observability stacks. Exceptional communication skills are necessary for cross-disciplinary and cross-level collaboration.

Responsibilities

The Principal Engineer will define and communicate the long-term technical roadmap for the browser-automation stack, balancing rapid iteration with maintainability and scalability. They will be responsible for writing production code daily, including rapid prototyping, benchmarking, and shipping features. This role involves designing distributed, fault-tolerant services and developer-facing SDKs/APIs, as well as owning cloud infrastructure, CI/CD pipelines, security, and observability. The engineer will also grow, mentor, and inspire the engineering team, conduct code reviews, establish engineering culture, and foster technical excellence and psychological safety. Collaboration with product, design, and developer-relations teams is key to aligning technical choices with developer needs and business goals, and community feedback will be translated into improvements. Finally, the role requires translating complex technical trade-offs into clear language for executives and stakeholders, and providing regular updates on progress and risks.

Skills

AI
Browser Automation
Web Interactions
Software Architecture
Production Code
Core Libraries
Services
Tooling
Scalability
Maintainability
Technical Strategy
Greenfield Products

Mozilla

Not-for-profit organization promoting internet health

About Mozilla

Mozilla operates as a not-for-profit organization focused on promoting an open and accessible internet. Its main product is the Firefox browser, which emphasizes user privacy and security. Mozilla generates revenue through partnerships and search engine royalties, allowing it to reinvest in projects that enhance internet health rather than distributing profits to shareholders. This commitment to user empowerment and ethical practices sets Mozilla apart from traditional for-profit tech companies. Additionally, Mozilla engages in advocacy and educational initiatives through the Mozilla Foundation, supporting open-source projects and internet literacy programs. The goal of Mozilla is to create a better internet for everyone by prioritizing user-centric products and fostering a healthier online ecosystem.

Mountain View, CaliforniaHeadquarters
1998Year Founded
$3.4MTotal Funding
GRANTCompany Stage
Consumer Software, Social Impact, CybersecurityIndustries
1,001-5,000Employees

Benefits

Insurance, Health & Wellness. Health Insurance.
Financial & Retirement.
401k Plan
Family & Parenting.
Work From Home.
Vacation & Time Off.
Perks & Discounts. Free Lunch or Snacks.

Risks

Privacy complaint against Mozilla could damage its reputation as a privacy-focused organization.
Layoffs at Mozilla Foundation may disrupt operations and affect innovation.
Integration challenges may arise from Anonym's acquisition due to cultural differences.

Differentiation

Mozilla operates as a not-for-profit, prioritizing user empowerment over profit.
Mozilla reinvests revenue into mission-driven projects, unlike traditional for-profit companies.
Mozilla's open-source technology and privacy focus distinguish it in the tech industry.

Upsides

Mozilla's acquisition of Anonym enhances its privacy and security offerings.
The launch of Mozilla Monitor Plus meets growing demand for privacy solutions.
Laura Chambers' appointment as CEO may bring strategic insights to Mozilla.

Land your dream remote job 3x faster with AI