New Products Principal Engineer

Mozilla Foundation

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Job Description

Job Overview

Mozilla Corporation is seeking a New Products Principal Engineer for its New Products team, which focuses on building a browser-automation stack for AI agents. The role involves setting the technical vision, architecting the platform, and writing production code alongside a fast-moving team. The ideal candidate will have a passion for developing developer tools and a strong background in high-performance systems.

Technical Requirements

Required Skills
  • • Go
  • • Ruby
  • • Python
  • • TypeScript
Preferred Skills
  • • AI/ML workflows
  • • agent frameworks
Experience Level

10+ years of software engineering experience with at least 3 years leading technical teams or large projects

Responsibilities

  • • Define and communicate the long-term technical roadmap for the browser-automation stack
  • • Write elegant, high-performance code daily
  • • Design distributed, fault-tolerant services and developer-facing SDKs/APIs
  • • Grow, mentor, and inspire a world-class engineering team
  • • Collaborate with product, design, and developer-relations teams
  • • Translate complex technical trade-offs into clear language for stakeholders

Technical Environment

Languages

Benefits & Perks

  • • Generous performance-based bonus plans
  • • Rich medical, dental, and vision coverage
  • • Generous retirement contributions
  • • Quarterly all-company wellness days
  • • 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

Additional Information

Location
Remote US
Type
Full-time
Compensation
US Tier 1 Locations: $216,000 — $288,000; US Tier 2 Locations: $199,000 — $265,000; US Tier 3 Locations: $184,000 — $245,000