Mozilla - IT - Software Development

Senior Rust Software Engineer needed to build ethical, privacy-forward ad infrastructure at Mozilla. You’ll develop scalable components in Rust and Python for client-side ad delivery across Firefox, Pocket, and MDN. Requires 5+ years experience, Rust expertise, and front-end familiarity. Remote-f...

Senior Software Engineer – Firefox Monitor. Build cloud-native Node.js/TypeScript systems at the intersection of security and privacy. Lead backend development, own GCP/AWS infrastructure, and optimize PostgreSQL at scale. Join Mozilla to protect millions from data breaches with top benefits and ...

Mozilla seeks a Staff Product Manager to lead Search & Monetization strategy for Firefox Desktop across Windows, macOS, and Linux. This role drives revenue-impacting product areas, integrating AI-powered search with privacy-respecting experiences. You will own experimentation, define success metr...

Mozilla Foundation seeks a Product Director for Common Voice, a flagship AI bias mitigation project. You will lead the product roadmap, ensuring platform stability and community growth for this open-source, multilingual voice dataset. Ideal candidates have 5+ years of senior PM experience, knowle...

Join Mozilla as an iOS Engineer to shape the next 25 years of the internet. You’ll build native iOS/iPadOS apps using Swift and SwiftUI, collaborating with a global, distributed team. This role offers generous bonuses, rich benefits, and wellness days. Based in Canada or Germany, you’ll contribut...

Mozilla seeks a Senior Software Engineer to enhance developer productivity by improving Firefox’s CI/CD and engineering workflows. You’ll build Python-based services, optimize testing pipelines, and work cross-platform (Windows, Linux, Mac). Ideal for experts in FastAPI, GCP/AWS, and GitHub Actio...

Join our Web Services Team as a Senior Full-Stack Engineer, Email Systems. You will build and maintain secure, encrypted communication tools using JavaScript/TypeScript and Python. This fully remote role offers schedule flexibility, professional development funds, and a comprehensive benefits pac...

Join Mozilla as a Senior Data Engineer and shape the data platform powering key decisions. You will build reliable pipelines in GCP, transform complex data into trusted models using SQL/Python, and integrate AI. This remote US/Canada role offers strong benefits, a collaborative culture, and impac...

Join Mozilla's open source AI initiative as a 0to1 Engineer. You'll build public prototypes and demos using the open source AI stack (Python/TypeScript). This role requires comfort with AI-assisted dev tools and working in the open. Enjoy a flexible US-based role with professional development sup...

Join Mozilla's Localization Team as a Senior Software Engineer. Develop key Python/JavaScript libraries and Pontoon, our translation platform, to power global product experiences. Collaborate with a distributed team and global volunteer community on impactful i18n/l10n projects. Enjoy excellent b...