Senior Software Engineer, Browser Ext
Keeper SecuritySalary not specified
Full Time
Senior (5 to 8 years)
Not SpecifiedCompensation
Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
Biotechnology, Software Development, InternetIndustries
Requirements
Candidates should possess 10+ years of software engineering experience, with at least 3 years in a technical leadership role, and expert proficiency in at least two of Go, Ruby (Rails), Python, or TypeScript/JavaScript. A proven track record of architecting and shipping complex, high-throughput systems is required, along with a deep understanding of browser internals, automation frameworks, and secure web interaction paradigms. Hands-on experience with modern AI/ML workflows or agent frameworks is also expected, as is a strong focus on code quality, testability, performance, and operational excellence.
Responsibilities
The Principal Engineer will define and communicate the long-term technical roadmap for the browser-automation stack, architect the platform, and write production code daily. They will design distributed, fault-tolerant services and developer-facing SDKs/APIs, owning cloud infrastructure, CI/CD pipelines, security, and observability. Responsibilities also include growing, mentoring, and inspiring the engineering team, conducting code reviews, establishing engineering culture, and fostering psychological safety. Additionally, the role involves collaborating with product, design, and developer-relations teams, translating technical trade-offs for stakeholders, and turning community feedback into improvements.
Skills
AI
Browser Automation
Software Architecture
Production Code
Core Libraries
Services
Tooling
Web Interactions
Greenfield Product Development
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.
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