Software Engineer, Firefox
Contribute to the Firefox browser engine in Rust and C++, improving performance and web standards compliance.
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Showing 50 of 1,638 matching positions (1,351–1,400)
Contribute to the Firefox browser engine in Rust and C++, improving performance and web standards compliance.
Identify and fix security vulnerabilities across Firefox and Mozilla web services through code audits and fuzzing.
Conduct user research studies to understand browsing behaviour and inform privacy-focused product decisions.
Build the merchant dashboard and checkout interfaces in React with a focus on accessibility and performance.
Model payment fraud patterns and develop machine learning systems that protect merchants from financial losses.
Protect financial data flowing through the platform by building security tooling and conducting threat assessments.
Define the product strategy for financial data connectivity APIs used by thousands of fintech applications.
Analyse financial data quality metrics and connection success rates to identify improvement opportunities.
Build banking features in Kotlin for the Android app serving tens of millions of customers globally.
Develop credit scoring and risk assessment models for lending products across multiple European markets.
Design learning experiences that keep students engaged across math, science and computing courses.
Test interactive exercises and video delivery across web and mobile platforms used by millions of learners.
Analyse learner engagement and completion data to identify where students struggle and how content can improve.
Build real-time threat detection engines that process endpoint telemetry at massive scale.
Build pipelines that process billions of security events daily for threat intelligence and detection models.
Build storefront and checkout experiences in React and TypeScript for the commerce platform.
Own the product roadmap for merchant onboarding and store setup features that drive activation.
Scale the infrastructure supporting flash sales and peak traffic events for the global commerce platform.
Build the real-time collaboration engine that lets multiple designers edit the same file simultaneously.
Lead the team building plugin APIs and developer platform features for the design tool ecosystem.
Build search ranking and pricing services that match travellers with listings across millions of properties.
Model marketplace dynamics including pricing, demand forecasting and host acquisition to grow supply.
Own the host experience product area, improving listing management and earnings tools for property owners.
Build accommodation search and booking features in Java and React for one of the largest travel platforms.
Analyse conversion funnels and A/B test results to optimize the booking flow across devices and markets.
Keep Wikipedia and sister projects available worldwide by managing the infrastructure behind free knowledge.
Guide improvements to the reading and editing experience for Wikipedia's global volunteer community.
Build the real-time content lake infrastructure that powers structured content for headless CMS deployments.
Define the product direction for content modelling and collaboration features used by editorial teams.
Own the roadmap for electronic health record modules used by care providers across North America.
Help healthcare agencies configure and troubleshoot the SaaS platform for their documentation workflows.
Build automated test suites for client projects across web, mobile and API platforms.
Coordinate delivery timelines and client communication across multiple concurrent software projects.
Set up CI/CD pipelines and cloud infrastructure for client projects on AWS and Azure.
Build and scale the transaction processing services handling millions of daily mobile money transfers.
Monitor transaction patterns and investigate fraud attempts across the mobile financial services platform.
Build rider and driver features in Kotlin for the ride-hailing and delivery app.
Analyse ride demand patterns and delivery metrics to optimize pricing and driver allocation strategies.
Own the rider experience product area across ride-hailing and food delivery verticals.
Develop shopping and delivery tracking features for the grocery platform iOS app in Swift.
Analyse order patterns and inventory data to reduce stockouts and optimize warehouse operations.
Build APIs and services for the B2B commerce platform connecting retailers with suppliers.
Define the product strategy for small retailer lending and supply chain features.
Build the service marketplace platform connecting customers with verified service providers.
Own the service provider experience, from onboarding and verification through to quality management.
Manage service provider onboarding and quality assurance across multiple service categories.
Build React and Angular frontends for Nordic client products with a focus on accessibility standards.
Coordinate between Nordic clients and local development teams across agile delivery cycles.
Develop NLP models that assist in converting physician-patient conversations into structured clinical notes.
Validate the accuracy of AI-generated medical documentation against clinical standards and physician expectations.
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