Sr Staff Quantitative User Researcher
Mozilla is seeking a Senior Staff Quantitative User Researcher to join the Firefox User Research team. This role involves leading strategic and tactical quantitative studies to understand user experiences, needs, motivations, and behaviors at scale. The researcher will collaborate closely with product managers, designers, engineers, marketers, data scientists, and fellow researchers to inform product and design strategies.
Key responsibilities include owning strategic quantitative research initiatives from scoping business needs and designing surveys to synthesizing data and communicating actionable recommendations that influence product decisions. The researcher will utilize various methods to embed quantitative insights throughout the product development lifecycle, partner cross-functionally to develop and own a research roadmap, and analyze complex data sources to build evidence-based perspectives that guide product decisions. Additionally, the role involves championing user-centered decision-making and elevating the quantitative practice by mentoring peers and refining methods and tools.
Candidates should have 8+ years of experience in user research, product research, or an applied research setting with a strong focus on quantitative research. Extensive experience leading survey research across multiple phases of the product development lifecycle is required, along with deep expertise in empirical survey methods and applications. Proficiency in R for statistical programming and analyzing survey data, as well as extensive hands-on experience manipulating behavioral data using SQL, is essential. The role also requires demonstrated success operating in fast-paced, agile environments and strong judgment in balancing research depth and speed.
Mozilla offers generous performance-based bonus plans, comprehensive medical, dental, and vision coverage, and generous retirement contributions with 100% immediate vesting. Additional benefits include quarterly all-company wellness days, country-specific holidays plus a day off for your birthday, a one-time home office stipend, an annual professional development budget, a quarterly well-being stipend, considerable paid parental leave, and an employee referral bonus program.
Joining Mozilla means becoming part of a mission-driven organization committed to making the internet better for people. The company values welcoming differences, being relationship-minded, practicing responsible participation, and having grit. This role offers the opportunity to work in a collaborative environment that champions human-centered exploration of complex problems, using evidence, data, and insight to drive decision-making.