Posted: Jan 24, 2026
Title: Senior Data Scientist Location: Remote Category: Strategy, Operations, Data & Ads Job Description: Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make groundbreaking brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. The Role As a Senior Data Scientist, you are an inquisitive problem solver who is keen to practice full-stack data science, with experience ranging from crafting data extraction pipelines to finding patterns and anomalies in data. You have a strong curiosity and a desire to hone your technical skills further on a wide variety of real-world data. You believe that data science can lead to insights that can guide the future development of Firefox. You will apply your expertise in quantitative analysis, statistical modeling, and data visualization to see beyond the numbers and understand how our worldwide community experiences our products. What you’ll do: Help design and analyze experiments to understand ecosystems, user behaviors, and long-term trends Build key data sets to empower operational and exploratory analysis Advocate for strong analytical standards and methodologies across the organization Be responsible for the definition, evaluation and reporting of key product metrics Sit at the intersection between product, engineering, and leadership to advise, influence, support, and implement our product decisions Help cultivate a culture of measurement to build a better Firefox What you’ll bring: Master’s or PhD in Data Science, Statistics, Computer Science, or a related field (physical, life, or social science) 2+ years of professional experience doing quantitative analysis, particularly in an Internet-focused, consumer-focused organization Background in applied statistical modeling on large experimental or observational data sets Experience extracting data from a variety of sources (solid understanding of SQL is required) Proficiency with one or more programming languages: Python preferred Effective and persuasive written and oral communication skills in English. Ability to interpret large amounts of data, multi-task, and produce results independently or collaboratively in a team environment Commitment to our values: Welcoming differences Being relationship-minded Practicing responsible participation Having grit A global perspective in how to conduct research and understanding of cultural nuances Experience working in a distributed, open-source oriented organization is a plus What you’ll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical, dental, and vision coverage Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Quarterly all-company wellness days where everyone takes a pause together Country specific holidays plus a day off for your birthday One-time home office stipend Annual professional development budget Quarterly well-being stipend Considerable paid parental leave Employee referral bonus program Other benefits (life/AD&D, disability, EAP, etc.varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. #LI-DNI Req ID: R2769 Apply tot his job
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