Sr Staff Quantitative User Researcher

Own strategic quantitative research from scoping to surveys and recommendations. Embed quantitative insights into end-to-end product lifecycle (discovery to launch). Partner cross-functionally to develop and own a research roadmap aligned to business goals. Analyze data sources (surveys, behavior data) to inform product decisions. Champion user-centered decision-making and advocate for user needs across functions. Elevate research by mentoring peers and scaling methods across Firefox. 8+ years of experience in user research, product research, or applied research with a quantitative focus. Extensive experience leading survey research across multiple product lifecycle phases. Deep expertise in empirical survey methods planning sampling weighting statistical analysis and applications. Proficiency in R for statistical programming and analyzing survey data. Hands-on experience manipulating behavioral data using SQL and integrating with survey methods. Ability to craft narratives using quantitative data and visualizations. Generous performance-based bonus plans for eligible employees. Rich medical, dental, and vision coverage. 100% immediate vesting retirement contributions. Quarterly all-company wellness days. Birthday holiday plus country-specific holidays. One-time home office stipend.