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Senior Data Analyst
ProtonFrancefull_timeVerifiedPosted 26 Aug 2025
About the role
<p><strong>Join Proton and build a better internet where privacy is the default</strong></p>
<p>At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.</p>
<p>Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.</p>
<p>Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online.</p>
<p>Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions.</p>
<p>We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of.<span> </span><span>Check our<span> </span></span><strong><span>open-source<span> </span></span></strong><span>projects<span> </span></span><strong><a href="https://proton.me/community/open-source"><span>here</span></a><span>!</span></strong></p>
<p><strong>Purpose of the role</strong></p>
<p>We are looking for an experienced Data Analyst to drive data-driven decision-making across the company. As part of our central data team, you will collaborate closely with analysts from various Business Units and our data engineering team to ensure we have the highest quality data. Your analytical insights will directly influence the direction of our tools and key company objectives.<br/>If you thrive on breaking down complexity into actionable tasks using data, are excited about working on innovative and fast-evolving ideas, and are passionate about leveraging data to protect and enhance privacy for millions of users worldwide, we would love to hear from you!</p>
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<p><strong>What you will do</strong></p>
<ul>
<li>Design and visualise new KPIs capturing product success and actionable insights able to uncover new opportunities. </li>
<li>Monitor and Synthesize KPIs to create reports capturing key company and cross-product level insights, challenging the status quo.</li>
<li>Translate company-level goals into analytical tasks to ensure a data-driven approach. </li>
<li>Collaborate closely with engineering teams to increase the quality and usability of our data within a privacy-first ecosystem. </li>
<li>Mentor junior team members on statistical techniques and exploratory data analysis to achieve the right balance of analytical proficiency and business impact. </li>
<li>Maintain and improve our A/B testing framework within our privacy-first in-house tool used by all data analysts to evaluate and document A/B tests. </li>
<li>Empower stakeholders to make data-driven decisions by developing training sessions on how to use and extract insights from our dashboards.</li>
</ul>
<p><strong>Job requirements</strong></p>
<ul>
<li>Minimum 6 years' work experience as a Data Analyst with focus on statistics, data exploration and visualisation.</li>
<li>Solid statistical background and experience in conducting hypothesis testing, A/B analysis and exploratory analysis. </li>
<li>Ability to work large business concepts into actionable analytical tasks, including handling uncertainty and open-ended problems. </li>
<li>Excellent knowledge of SQL and at least one programming language, preferably Python. </li>
<li>Proven track record of prioritizing effectively and working independently in a fast-paced and ever-changing environment.</li>
<li>Great communication skills, with the ability to adapt to both technical and non-technical audiences to achieve results.</li>
</ul>
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