Data Scientist, Marketing

**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**
Our Scientists and Engineers work together to make data—and the insights derived from marketing data—a core asset across Brex. But it's more than just crunching numbers. The Data team at Brex develops infrastructure, statistical models, and marketing analytics products using data. Our work is foundational to Brex's marketing strategy, campaign measurement, customer engagement programs, and the overall experience we deliver to our customers.
**What You'll Do**
**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**:
- Develop analytical frameworks and statistical models for account-based marketing, mixed media modeling, and multi-touch attribution across marketing channels.
- Analyze campaign performance, channel effectiveness, and customer lifecycle touchpoints to drive strategy adjustments to maximize marketing ROI.
- Collaborate with Marketing, Sales, and Data Science teams to design, implement, and evaluate experiments (A/B tests, incrementality studies) that inform marketing investment and customer journey optimization.
- Partner with lifecycle marketing teams to identify key segments, personalize outreach, and optimize engagement and retention strategies.
- Synthesize large, complex data sets into clear business recommendations; communicate actionable insights to both technical and non-technical stakeholders.
- Build and maintain scalable data pipelines and reporting to support ongoing measurement, attribution, and experimentation.
**Requirements**:
- Master's degree or Ph.D. in Statistics, Economics, Marketing Analytics, Computer Science, or a related quantitative field.
- 3+ years of experience in marketing analytics, marketing data science, or related roles supporting B2B or SaaS marketing organizations.
- Strong experience with SQL and Python (or R) for data analysis and modeling.
- Proficiency in advanced marketing measurement techniques, including MMM, multi-touch attribution, and customer segmentation.
- Familiarity with digital marketing data, modern marketing platforms (e.g., Salesforce, Marketo, HubSpot), and common paid, owned, and earned channels.
- Ability to synthesize complex analyses into actionable business insights and communicate findings to stakeholders.
- Experience with experimentation, A/B testing, and causal inference methodologies.
- English proficiency/fluency, both written and spoken (note: interviews will be conducted in English).
**Bonus Points**:
- Experience working in B2B SaaS or fintech, especially supporting demand generation and account-based marketing programs.
- Familiarity with customer journey analytics, advanced personalization, or recommendation systems.
- Experience working with marketing automation, CRM, and data integration tools.
- Knowledge of adtech, martech, and data privacy best practices.
This role offers a unique opportunity to shape the future of marketing analytics at Brex while working with a world-class data and marketing team. If you are passionate about using data science to drive smarter marketing decisions, we'd love to hear from you
**Location**
- Must be working in Brazil at the start of role

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