A lot of companies say they’re “mission-driven.” Our unique corporate structure guarantees that every decision we make upholds our mission: to ensure the internet remains open and accessible. Beholden to neither shareholders nor investors, Mozilla Corporation is wholly owned by the not-for-profit Mozilla Foundation. Along with our communities of 20,000+ contributors and collaborators, Mozilla Corporation’s staff designs, builds, and distributes software that allows people…
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A lot of companies say they’re “mission-driven.” Our unique corporate structure guarantees that every decision we make upholds our mission: to ensure the internet remains open and accessible. Beholden to neither shareholders nor investors, Mozilla Corporation is wholly owned by the not-for-profit Mozilla Foundation. Along with our communities of 20,000+ contributors and collaborators, Mozilla Corporation’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own terms. Our flagship product — the Firefox browser — has expanded into a family of products that protects users and alerts them of risks, safeguards passwords and provides a secure VPN (with more to come). By maintaining a safe, open internet we're helping humanity, while also helping the individual humans employed here to reach their personal and professional goals. With a relatively small team serving hundreds of millions of people, a culture of exploration, and a commitment to mentorship, opportunities abound to learn and grow at Mozilla.
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Mozilla has 14 open jobs in Canada as of November 6, 2026.
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Mozilla
Mozilla Foundation requires significant experience as a strategic partner at CEO or executive-team level, with a record of driving complex cross-functional priorities. Candidates need strong judgment, discretion, and communication skills, plus Board, fundraising or high-stakes external experience.
Leadership, Data engineering, Scheduling, Administrative support, Communication skills, Presentation skills
Mozilla
2+ YOECandidates need at least 2 years of software engineering experience and have shipped native iOS or iPadOS apps in Swift. They should know SwiftUI or MVVM, test and automate code, and communicate well in a distributed team.
Swift, SwiftUI
Mozilla
Candidates need strong software engineering skills in Python or JavaScript/TypeScript and substantial experience running production systems in the cloud. Experience with infrastructure as code, several areas such as CI/CD, containers, networking, databases or observability, and using telemetry to make decisions is also required.
Terraform, Python, JavaScript, TypeScript, C++, Rust
Mozilla
Candidates need strong web development skills in HTML, CSS and JavaScript, plus experience debugging real websites. They must be fluent with browser devtools and comfortable using AI tools to speed up diagnosis and fixes.
Firefox, browser devtools
Mozilla
2+ YOEMozilla needs 2 to 4 years of cybersecurity, GRC or IT audit experience, working knowledge of SOC 2, ISO 27001 or NIST, and hands-on experience with a GRC platform. Scripting or automation skills and a security certification, or one in progress, are valued.
Vanta, Drata, OneTrust, ServiceNow GRC, Python, SQL
Mozilla
Candidates need advanced SQL with BigQuery or Redash, data visualization skills, and statistical analysis experience such as correlation and multivariate analysis. Knowledge of Rust or C++ is a strong plus, and the role suits someone who can work independently in unfamiliar technical areas.
SQL, BigQuery, Redash, Claude Code, Codex
Mozilla
Candidates need deep hands-on experience in at least one browser engine subsystem, strong C++ or Rust skills, and a track record of profiling and reproducible performance work. Experience with web platform compatibility and interest in AI agent harnesses are also expected.
Firefox, Gecko, Servo, Blink, WebKit
Mozilla
10+ YOECandidates need 10+ years of web development experience, expert JavaScript skills and another programming language. They also need technical leadership experience and strong English communication for a distributed, international team.
Collaboration, Documentation, Software development, JavaScript, Python, Rust
Mozilla
10+ YOECandidates need 10+ years of professional software engineering experience with Staff-level impact, strong full-stack skills in TypeScript or JavaScript, and prior customer-facing technical work. Experience with AI-enabled applications and enterprise deployment concerns such as identity, access control and self-hosted infrastructure is expected.
TypeScript, JavaScript, Docker, Kubernetes
Mozilla
6+ YOECandidates need 6+ years of systems or infrastructure experience, including production operations. Strong expertise in VMware, Cisco UCS, load balancers, Linux/Unix, networking and data centers is required.
VMware, Cisco UCS, Linux, Unix, Puppet, Ansible
Mozilla
Candidates need strong hands-on Python/Django experience running production systems, plus experience with CI/CD, automated testing, observability and incident response. Strong technical writing and collaboration skills in a distributed team are also required.
Python, Django, MySQL, React, TypeScript, Kubernetes
Mozilla
Candidates need hands-on experience shipping mobile apps on the iOS App Store and/or Google Play, plus data-driven iteration skills with analytics and A/B testing. Deep understanding of iOS, ideally Android, app store policies and browser technologies is needed, along with interest in international growth.
App Store Connect, Google Play Console
Mozilla
Candidates need strong C++ and/or Rust, knowledge of graphics frameworks and GPU architecture, and strong debugging and optimization skills in a multithreaded codebase. They must work independently and lead technically in a large, mature codebase.
C++, Rust, WebGL
Mozilla
Candidates need strong C++ (JavaScript or Rust a plus), solid CSS and page-layout knowledge, and strong debugging and optimization skills in a multithreaded codebase. They must work independently and lead technically in a large, mature codebase.
Firefox, C++, CSS
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