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Staff User Researcher

Mozilla

$127,000 - $199,000
Nov 24, 2025
Remote, US
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Mozilla Corporation is looking to solve complex problems related to user experience for its products like Firefox by championing human-centered exploration and using evidence, data, and insight to drive decision-making. The role aims to understand user needs and uncover insights that inform product and design strategy, ultimately shaping roadmaps and strategies for the Firefox product.

Requirements

  • Extensive experience leading both evaluative and generative research across multiple phases of the product development lifecycle.
  • Deep expertise in qualitative methods (e.g., interviews, concept testing, usability studies) and practical experience with quantitative approaches (e.g., survey design, data analysis).
  • Proficient in selecting and applying appropriate research methods based on the question, constraints, and stage of development.
  • Experienced in supporting iterative, user-centered product development, ensuring research continuously informs design and strategy.
  • 7+ years of experience in an applied research setting or similar.
  • Demonstrated success operating in fast-paced, agile environments, adapting to shifting priorities while maintaining research impact.
  • Strong judgment in balancing research depth and speed, delivering insights that are both actionable and impactful for product and business decisions.

Responsibilities

  • Drive strategic, end-to-end research initiatives from framing questions and designing studies to synthesizing insights that directly shape product vision and roadmap decisions.
  • Partner cross-functionally at a strategic level with product, design, engineering, data science, and marketing to identify high-impact research opportunities and align insights to business priorities.
  • Integrate diverse data sources — qualitative and quantitative research, behavioral data, and market intelligence — to build cohesive, evidence-based perspectives on user experience.
  • Elevate the research practice by mentoring peers, refining methods and tools, and scaling approaches that increase the visibility and impact of user insights across Firefox.
  • Lead both evaluative and foundational studies in close partnership with product managers, designers, engineers, data scientists, and fellow researchers.
  • Apply qualitative and quantitative methods to understand users’ experiences, contexts, motivations, and behaviors, translating those findings into clear, actionable insights that shape roadmaps and strategies.
  • Champion user-centered decision-making by embedding research into product strategy, advocating for user needs, and influencing leaders across functions.

Other

  • Collaborative and influential communicator, skilled at building partnerships with cross-functional teams and driving alignment through evidence-based insights.
  • Commitment to our values: Welcoming differences, Being relationship-minded, Practicing responsible participation, Having grit.
  • Open-source software