Senior Data Scientist

Why join us Brex is the AI-powered spend platform. We help companies spend with confidence with integrated corporate cards, banking, and global payments, plus intuitive software for travel and expenses. Tens of thousands of companies from startups to enterprises — including DoorDash, Flexport, and Compass — use Brex to proactively control spend, reduce costs, and increase efficiency on a global scale. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Data at Brex The Data team turns information into advantage. We design infrastructure, develop models, and deliver insights that power smarter decisions across Brex. Our scientists and engineers are embedded across product, engineering, risk, operations, and business teams — building data products, improving customer experiences, and shaping high-impact strategies. We treat data as a product, and ownership runs deep. If you're excited by complexity and want your work to drive decisions at scale, this is your team. What You’ll DoAs a Senior Data Scientist focused on Product Analytics, you will work closely with Product, Engineering, and Customer Success teams to understand the interactions between product engagement, customer retention, and overall customer growth. Your work will play a critical role in shaping strategic product decisions by uncovering insights into how customers interact with Brex’s platform, identifying opportunities to refine the product experience, optimize user workflows, and introduce impactful changes that increase long-term customer value and drive sustainable revenue growth. The ideal candidate has significant experience leveraging product intuition and advanced analytics to understand customer behavior, measure product impact on revenue retention and growth, and derive insights through causal inference and predictive modeling. They should also have a strong ability to influence product and business strategy by translating data insights into actionable recommendations. Where you’ll work This role will be based in our Sao Paulo office. You must be willing to work in office at least 2 days per week on Wednesday and Thursday, starting the week of September 1st, 2025. when we open our Sao Paulo office. Employees will be able to work remotely for up to 4 weeks per year. Responsibilities: Lead the development and application of data-driven methodologies to analyze customer behavior, retention trends, and product adoption, focusing on how product changes impact long-term customer value. Build, implement, and evaluate predictive models and experimentation strategies to measure and optimize the effect of product changes on customer growth and engagement. Act as a thought partner to Product, Engineering, and Customer Success leadership, identifying and prioritizing opportunities for improving customer engagement and long-term retention. Collaborate with Data Engineering to ensure scalable, reliable data pipelines that support product analytics and reporting. Communicate findings, insights, and strategic recommendations clearly and persuasively to executives, product leaders, and cross-functional stakeholders. Mentor junior data scientists and contribute to building best practices across the Data Science Requirements: Master’s degree or Ph.D. in Statistics, Economics, Applied Mathematics, or a related quantitative field. 5+ years of experience in a data science, analytics, or related role with a focus on product analytics. Strong expertise with SQL and Python (or R) for data analysis and modeling. Deep proficiency in causal inference and predictive modeling. Demonstrated ability to influence senior stakeholders and translate complex data insights into strategic business recommendations. Familiarity with BI tools (e.g., Tableau, Looker) and data visualization best practices. Excellent problem-solving skills and ability to thrive in a fast-paced, cross-functional environment. Bonus Points: Experience working in B2B SaaS or fintech. Experience in developing frameworks to measure feature adoption and identifying product opportunities that drive customer lifetime value. Familiarity with product analytics tools (e.g., Amplitude, StatSig). Location Must be working in Brazil at the start of role