Staff Quantitative User Researcher

📍 Job Overview

Job Title: Staff Quantitative User Researcher

Company: Mozilla

Location: Remote Canada

Job Type: Full-time

Category: User Research / Data Science

Date Posted: April 28, 2026

Experience Level: 5-10 years

Remote Status: Fully Remote

🚀 Role Summary

• Lead strategic end-to-end quantitative research initiatives, from initial scoping and survey design through data synthesis and actionable recommendation delivery to shape product decisions.

• Champion user-centered decision-making by embedding quantitative research insights into product strategy and advocating for user needs across all functions.

• Partner cross-functionally at a strategic level with product, design, engineering, data science, and marketing to develop a research roadmap and identify high-impact research opportunities.

• Analyze and translate complex data sources, including surveys, behavioral data, and market intelligence, to build cohesive, evidence-based perspectives on user experience and audience insights.

📝 Enhancement Note: This role is critical for informing product strategy and user experience within the Firefox ecosystem. The "Staff" designation implies a senior level of expertise and influence, requiring the ability to not only execute research but also to mentor others and elevate the practice within the organization.

📈 Primary Responsibilities

• Own the complete lifecycle of quantitative research studies, including defining business needs, designing robust surveys, managing sampling and weighting, conducting statistical analysis, and presenting findings.

• Collaborate closely with product managers, designers, engineers, and data scientists to integrate user insights into product roadmaps, feature development, and strategic planning.

• Develop and maintain a quantitative research roadmap aligned with product priorities and business objectives, proactively identifying key areas for user exploration.

• Analyze and interpret diverse quantitative data sets, such as survey responses, product telemetry, and market research, to identify trends, user needs, and opportunities for product improvement.

• Translate complex quantitative findings into clear, compelling narratives and data visualizations that are easily understood by both technical and non-technical stakeholders, driving informed decision-making.

• Mentor junior researchers and peers, sharing best practices in quantitative methodologies, statistical analysis, and effective insight communication to elevate the team's overall capabilities.

• Contribute to the refinement of quantitative research methods, tools, and processes to increase efficiency, scalability, and the overall impact of user insights across the Firefox product suite.

• Collaborate with qualitative researchers to design and execute mixed-methods studies, leveraging both quantitative and qualitative data for a holistic understanding of user behavior and motivations.

📝 Enhancement Note: The emphasis on "strategic, end-to-end" research and "partnering cross-functionally at a strategic level" indicates a need for strong leadership and influence. The responsibility to "help elevate the quantitative research practice" suggests a mentorship and thought leadership component to the role.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong academic background in a quantitative field such as Psychology, Human-Computer Interaction (HCI), Statistics, Computer Science, Sociology, or a related discipline is highly beneficial. Advanced degrees (Master's or Ph.D.) are often preferred for staff-level roles due to the depth of theoretical understanding and research methodology.

Experience: 7+ years of dedicated experience in user research, product research, market research, or a closely related field, with a significant and demonstrable focus on quantitative methodologies.

Required Skills:

• Extensive experience in leading comprehensive survey research initiatives throughout the entire product development lifecycle.

• Deep expertise in empirical survey methodologies, including planning, sampling strategies, weighting techniques, and advanced statistical analysis.

• Proven ability to apply quantitative insights to measure and influence critical product and business decisions.

• High proficiency in R for statistical programming, data manipulation, and in-depth analysis of survey and behavioral data.

• Experience utilizing SQL to effectively integrate behavioral data with survey responses, enabling the creation of unified, user-centric narratives.

• Demonstrated skill in crafting compelling, evidence-based narratives using quantitative data and effective data visualizations.

• Proven success operating within fast-paced, agile environments, with the ability to adapt to shifting priorities while maintaining research rigor and impact.

• Strong judgment and decision-making capabilities, balancing the need for research depth with speed to deliver timely, actionable, and impactful insights.

• Exceptional communication and collaboration skills, with a proven ability to build strong partnerships with cross-functional teams and drive alignment through data-driven evidence.

Preferred Skills:

• Hands-on experience conducting qualitative research, enabling a comprehensive understanding of mixed-methods approaches.

• Familiarity with common survey platforms and tools (e.g., SurveyMonkey, Qualtrics, Typeform) for survey design and deployment.

• Experience with A/B testing methodologies and analyzing experimental data.

• Knowledge of statistical modeling techniques beyond standard survey analysis.

• Experience in the open-source software development environment and understanding its unique research challenges.

📝 Enhancement Note: The requirement for R and SQL proficiency, coupled with extensive survey design and statistical analysis experience, clearly defines the core technical competencies. The "Staff" level implies a need for strategic thinking, mentorship, and influence beyond individual contribution.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate end-to-end ownership of quantitative research projects, showcasing your ability to translate business questions into research designs and actionable insights.

• Include detailed case studies of survey research initiatives, highlighting methodology (sampling, survey design, analysis), key findings, and the impact on product or business decisions.

• Showcase examples of how you've integrated quantitative findings with other data sources (e.g., behavioral data, qualitative insights) to provide a comprehensive user perspective.

• Present examples of data visualizations and narrative storytelling that effectively communicate complex quantitative results to diverse audiences, influencing strategic direction.

Process Documentation:

• Provide examples of research plans and proposals that clearly outline research objectives, methodologies, timelines, and expected outcomes for quantitative studies.

• Illustrate your approach to data analysis and synthesis, including methodologies used for statistical analysis, segmentation, and identifying key user segments or behaviors.

• Showcase how you document and communicate research findings, including reports, presentations, and dashboards designed to drive product and business strategy.

• Detail processes for collaborating with cross-functional teams (product, design, engineering, data science) to ensure research insights are effectively integrated into decision-making workflows.

📝 Enhancement Note: For a Staff-level researcher, the portfolio should emphasize strategic impact, leadership, and the ability to influence product direction. Case studies should not just present findings but demonstrate the process of driving change through research.

💵 Compensation & Benefits

Salary Range: Based on the provided hiring ranges for Canada Tier 1 and Tier 2 locations and the "Staff" designation indicating senior experience, the estimated annual salary range for this position is $104,000 - $153,000 CAD.

• Tier 1 Locations (e.g., Vancouver, Toronto, Montreal): $115,000 - $153,000 CAD

• Tier 2 Locations (e.g., Calgary, Ottawa, Edmonton): $104,000 - $138,000 CAD

• 📝 Enhancement Note: This estimation is derived from the provided pay transparency data within the job description. The range accounts for potential variations in cost of living and market demand across different Canadian cities. The "Staff" title typically commands a higher end of the experience band.

Benefits:

• Performance-based Bonus: Generous bonus plans tied to company and individual success, fostering a shared sense of achievement.

• Comprehensive Health Coverage: Rich medical, dental, and vision insurance plans to support employee well-being.

• Retirement Contributions: Generous employer contributions to retirement plans with immediate 100% vesting, providing long-term financial security.

• Wellness Initiatives: Quarterly company-wide wellness days for collective rest and rejuvenation, plus a quarterly well-being stipend to support personal health and mindfulness.

• Time Off: Country-specific holidays, plus a day off for your birthday, recognizing personal milestones.

• Home Office Support: A one-time stipend to help establish an effective and comfortable remote workspace.

• Professional Development: An annual budget allocated for professional growth, training, conferences, and skill enhancement.

• Parental Leave: Considerate and comprehensive paid parental leave policies to support new parents.

• Referral Program: Employee referral bonuses to reward team members for bringing in new talent.

• Additional Support: Life/AD&D insurance, disability insurance, and Employee Assistance Programs (EAP), with specifics varying by country.

Working Hours: A standard full-time work week, likely around 40 hours per week. Given the remote and global nature of Mozilla, there may be flexibility in daily scheduling, but core collaboration hours will need to be accommodated within Canadian time zones.

📝 Enhancement Note: Mozilla offers a robust benefits package emphasizing employee well-being, financial security, and professional growth, which is attractive for senior roles and remote positions.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Software Development, Internet Services, Open Source. Mozilla is a unique organization, operating as a for-profit subsidiary of a non-profit foundation, which heavily influences its culture and mission. The focus is on building the internet as a public resource, prioritizing user privacy and open standards over commercial interests.

Company Size: Over 1,000 employees. This size allows for significant impact and resources while maintaining a relatively collaborative and mission-driven environment.

Founded: The organization traces its roots back to the early days of the World Wide Web, with the Mozilla Foundation established in 2003. This long history and deep connection to the internet's evolution provide a strong sense of purpose and legacy.

Team Structure:

• The Firefox User Research team is likely comprised of both quantitative and qualitative researchers, potentially with specialists in areas like product research, UX research, and market research.

• The reporting structure for a Staff Quantitative User Researcher would typically be to a Research Lead or Director, with close alignment to Product Management, Design, and Engineering leadership.

Methodology:

• Data Analysis & Insights: A strong emphasis on data-driven decision-making, using both quantitative and qualitative methods to uncover user needs and inform product strategy.

• Workflow Planning & Optimization: Research is integrated into agile product development cycles, requiring flexibility and iterative approaches to research planning and execution.

• Automation & Efficiency: While not explicitly stated for this role, the broader tech industry context suggests an appreciation for tools and processes that enhance research efficiency and scalability.

Company Website: https://www.mozilla.org/

📝 Enhancement Note: Mozilla's "mission-driven" culture, combined with its open-source roots, creates a unique environment for researchers. The emphasis on user privacy and the "internet for people, not companies" ethos is a significant cultural differentiator.

📈 Career & Growth Analysis

Operations Career Level: This is a "Staff" level position, signifying a senior individual contributor role. It implies a high degree of autonomy, strategic influence, and the expectation to operate independently on complex problems. Staff researchers are often seen as thought leaders within their domain, capable of shaping research strategy and mentoring others.

Reporting Structure: The role reports into the Firefox User Research team, likely to a Research Manager or Director. Direct collaboration will be with Product Managers, Designers, Engineers, and Data Scientists, forming matrixed project teams. The influence of this role extends across product development functions.

Operations Impact: The primary impact of this role is on the strategic direction and user-centricity of Firefox products. By providing robust quantitative insights, the researcher directly influences product roadmaps, feature prioritization, user experience design, and overall product strategy, ultimately affecting user adoption, satisfaction, and retention.

Growth Opportunities:

• Specialization & Leadership: Opportunity to deepen expertise in specific quantitative methodologies or product areas, potentially leading larger research initiatives or becoming a go-to expert in a domain.

• Mentorship & Practice Elevation: Significant opportunities to mentor junior researchers, contribute to defining best practices for quantitative research at Mozilla, and influence the evolution of the research discipline within the company.

• Cross-Functional Leadership: Develop strategic influence and leadership skills by working closely with senior stakeholders across product, design, and engineering, contributing to company-wide strategic discussions.

• Broader Research Scope: As a Staff member, there may be opportunities to contribute to research strategy beyond Firefox, across other Mozilla initiatives.

📝 Enhancement Note: The "Staff" title suggests a career path that emphasizes deep expertise, strategic contribution, and leadership through influence and mentorship, rather than traditional people management.

🌐 Work Environment

Office Type: Fully Remote. This role is designed for individuals who thrive in a remote work setting, requiring self-discipline, strong communication skills, and the ability to collaborate effectively without physical proximity.

Office Location(s): Remote within Canada. This indicates that while the role is remote, the employee must be legally authorized to work and reside within Canada. Specific geographic tiers (Tier 1/Tier 2) noted in the compensation section may imply some regional considerations for salary, but the work itself is remote.

Workspace Context:

• Collaborative Environment: Despite being remote, Mozilla fosters a collaborative culture. Expect regular virtual meetings, team syncs, and cross-functional project discussions via video conferencing and collaboration tools.

• Tools & Technology: Access to a robust suite of digital tools for communication, project management, data analysis (R, SQL), and potentially specialized research platforms.

• Team Interaction: Opportunities for regular interaction with researchers, product teams, and other colleagues through various communication channels, virtual events, and team-building activities.

Work Schedule: Standard full-time hours, likely around 40 hours per week. While remote work offers flexibility, adherence to core working hours within Canadian time zones will be necessary for effective collaboration with colleagues and stakeholders across North America and potentially globally.

📝 Enhancement Note: The remote-first nature of this role requires candidates to be proactive in communication, self-motivated, and adept at using digital tools to maintain connection and productivity.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review your application, focusing on experience with quantitative research methodologies, R, SQL, and survey design.

• Hiring Manager Interview: A deeper dive into your experience, focusing on how you've led research initiatives, partnered cross-functionally, and influenced product decisions. Expect behavioral questions.

• Technical/Research Deep Dive: This stage will likely involve a technical assessment or a presentation of your portfolio. You may be asked to discuss specific research projects in detail, including your methodology, challenges, and impact. Expect scenario-based questions related to survey design, data analysis, and insight communication.

• Cross-Functional Interview(s): Interviews with Product Managers, Designers, or Engineers to assess your collaboration style, communication skills, and ability to translate research into actionable product strategies.

• Staff-Level/Panel Interview: A final interview, potentially with senior leadership or a panel, to evaluate your strategic thinking, leadership potential, mentorship capabilities, and overall fit with Mozilla's mission and values.

Portfolio Review Tips:

• Quantify Impact: For each project, clearly articulate the business problem, your research approach, key findings, and, most importantly, the measurable impact your insights had on product decisions, user experience, or business outcomes. Use metrics wherever possible.

• Showcase Process: Detail your end-to-end process for quantitative research, from defining objectives and designing surveys to analyzing data and presenting recommendations. Highlight your expertise in R and SQL by explaining specific analyses performed.

• Narrative Strength: Focus on telling a compelling story for each case study. Explain the "why" behind your decisions and how you navigated challenges.

• Tailor to Role: Emphasize projects that demonstrate experience with survey research at scale, integrating behavioral data, influencing strategy, and working within agile environments.

• Clarity & Conciseness: Ensure your portfolio is well-organized, easy to navigate, and clearly presents your most impactful work.

Challenge Preparation:

• Scenario-Based Questions: Be prepared for hypothetical scenarios where you'll need to design a quantitative study to answer a specific product question, troubleshoot a research problem, or interpret a complex data set.

• Methodology Defense: Be ready to defend your methodological choices (sampling, survey design, statistical tests) and explain why they were appropriate for the given context.

• Data Interpretation: Practice interpreting charts, graphs, and statistical outputs, and explaining what they mean for product strategy.

• Cross-Functional Communication: Prepare to explain how you would communicate complex research findings to different stakeholders (e.g., engineers, executives) to ensure buy-in and action.

📝 Enhancement Note: The interview process for a Staff-level role at a company like Mozilla will be rigorous, emphasizing not just technical skills but also strategic thinking, impact, and cultural alignment. A strong, data-rich portfolio is essential.

🛠 Tools & Technology Stack

Primary Tools:

• Statistical Programming: R (highly proficient, required), potentially Python for data analysis tasks.

• Data Querying: SQL (required) for integrating behavioral data with survey responses.

• Survey Platforms: Experience with tools like Qualtrics, SurveyMonkey, or similar platforms for designing, deploying, and managing surveys.

• Data Visualization: Tools such as Tableau, Power BI, or R libraries (e.g., ggplot2) for creating compelling visualizations.

• Collaboration Tools: Slack, Zoom, Google Workspace (Docs, Sheets, Slides), Jira, Confluence.

Analytics & Reporting:

• Behavioral Data Analysis: Familiarity with tools or platforms used to access and analyze product telemetry or behavioral data (specifics may vary and could involve internal tools).

• Reporting Dashboards: Experience creating and presenting dashboards that summarize key metrics and user insights for stakeholders.

CRM & Automation:

• While not a primary focus for this research role, understanding how research insights feed into CRM strategies or influence automated user journeys could be beneficial. Familiarity with CRM concepts (e.g., Salesforce) and marketing automation principles might be a plus.

📝 Enhancement Note: Proficiency in R and SQL are explicitly called out as requirements. The ability to use these tools to analyze diverse datasets and present findings visually is crucial.

👥 Team Culture & Values

Operations Values:

• Welcoming Differences: Embracing diverse perspectives, backgrounds, and ideas to foster innovation and a richer understanding of users.

• Being Relationship-Minded: Building strong, collaborative relationships with cross-functional partners, fostering trust and mutual understanding.

• Practicing Responsible Participation: A commitment to ethical research practices, data privacy, and contributing thoughtfully to the open-source community and the internet as a public good.

• Having Grit: Demonstrating perseverance, resilience, and a tenacious approach to tackling complex problems and driving research impact, even in the face of ambiguity.

Collaboration Style:

• Cross-Functional Integration: A strong emphasis on working closely with product, design, engineering, and marketing teams, ensuring research is integrated early and often into the product development process.

• Data-Driven Advocacy: Using evidence-based insights to advocate for user needs and influence decision-making, fostering a culture where data informs strategy.

• Knowledge Sharing: Openness to sharing research findings, methodologies, and learnings across teams to foster collective understanding and continuous improvement.

📝 Enhancement Note: Mozilla's stated values are deeply integrated into the company's mission. Candidates should be prepared to demonstrate how their work and approach align with these principles, particularly "Welcoming Differences" and "Practicing Responsible Participation" given the focus on user privacy.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Speed and Depth: The agile nature of product development requires researchers to deliver timely insights without sacrificing methodological rigor. This role will need to master this balance.

• Influencing Diverse Stakeholders: Effectively communicating complex quantitative findings to a range of stakeholders with varying levels of data literacy and influencing their strategic decisions.

• Navigating Ambiguity: Working on cutting-edge products and initiatives where the research questions themselves may be evolving, requiring adaptability and proactive problem-solving.

• Scaling Research Impact: Finding innovative ways to scale the reach and impact of quantitative research insights across a large organization and a widely used product like Firefox.

Learning & Development Opportunities:

• Advanced Methodologies: Opportunities to deepen expertise in advanced statistical techniques, experimental design, and emerging quantitative research methods.

• Industry Conferences & Training: Access to professional development budgets for attending relevant conferences (e.g., UXPA, relevant statistical/data science conferences) or pursuing specialized training.

• Mentorship & Leadership Development: As a Staff researcher, the opportunity to mentor junior colleagues and develop leadership skills by guiding research strategy and practice.

• Impactful Projects: Working on high-visibility projects that have a direct impact on millions of users worldwide, providing significant professional satisfaction and learning.

📝 Enhancement Note: The challenges are inherent to senior-level research roles in fast-paced tech environments. The growth opportunities are substantial, particularly for those looking to lead and mentor.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex product decision you influenced using quantitative research. Walk us through your process, the data you used, and the impact."

  • Preparation: Prepare a detailed case study emphasizing your strategic thinking, methodological rigor (especially R/SQL usage), and quantifiable outcomes. Focus on how you translated data into actionable strategy.

• "How would you design a quantitative study to understand why users are abandoning a specific feature in Firefox, and how would you present your findings to engineering and product teams?"

  • Preparation: Outline a survey design, including key questions, sampling strategy, and potential data analysis approaches. Discuss how you'd tailor your communication for different technical audiences.

• "Imagine you have conflicting quantitative and qualitative data on a user behavior. How would you reconcile these findings and advise the product team?"

  • Preparation: Discuss your approach to mixed-methods research, how you identify potential discrepancies, and strategies for triangulating data to arrive at a robust conclusion.

Company & Culture Questions:

• "Mozilla's mission is to make the internet a public resource. How does this mission influence your approach to user research, particularly concerning privacy and user data?"

  • Preparation: Research Mozilla's mission and values thoroughly. Be prepared to discuss ethical research practices, data privacy considerations, and how your work aligns with these principles.

• "Describe your experience working in an agile environment. How do you balance research rigor with the need for speed in iterative product development?"

  • Preparation: Provide examples of how you've adapted your research process for agile sprints, managed stakeholder expectations, and delivered timely, yet robust, insights.

• "What are your thoughts on the role of quantitative research in a company that values open-source principles?"

  • Preparation: Consider how open-source methodologies and community engagement might intersect with user research. Highlight your ability to work collaboratively and transparently.

Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly define the problem, your role, the methodology (emphasizing R/SQL), the key findings, the insights derived, and the ultimate impact.

• Highlight Quantifiable Results: Use numbers and metrics to demonstrate the impact of your research. Show how your work led to measurable improvements or strategic shifts.

• Showcase Technical Skills: Be ready to discuss your R and SQL code or specific analytical techniques used. If possible, include anonymized snippets or descriptions of your analytical process.

• Focus on Influence: Emphasize instances where your research directly influenced product decisions, strategy, or feature development.

• Engage Your Audience: Practice presenting your work in a clear, concise, and engaging manner. Be prepared to answer detailed questions about your methodology and findings.

📝 Enhancement Note: The interview process will heavily scrutinize your ability to apply quantitative methods strategically, communicate effectively, and align with Mozilla's unique mission and values. A well-prepared portfolio is your strongest asset.

📌 Application Steps

To apply for this Staff Quantitative User Researcher position:

• Submit your application through the Mozilla Careers portal. Ensure your resume and any optional cover letter are tailored to highlight your quantitative research experience, R/SQL proficiency, and impact.

• Prepare your Portfolio: Curate a portfolio that clearly showcases 2-3 of your most impactful quantitative research projects. Focus on demonstrating end-to-end ownership, methodological rigor (especially R and SQL usage), clear communication of insights, and measurable business/product impact.

• Optimize Your Resume: Highlight keywords from the job description such as "quantitative research," "survey design," "statistical analysis," "R," "SQL," "product strategy," "user insights," and "cross-functional collaboration." Quantify achievements wherever possible.

• Practice Your Narrative: Rehearse presenting your portfolio case studies. Be ready to explain your process, challenges, and the impact of your work in detail, anticipating questions about your methodology and strategic contributions.

• Research Mozilla: Deeply understand Mozilla's mission, values, products (especially Firefox), and commitment to open-source and user privacy. Be prepared to articulate how your work and personal values align with the organization.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.