Nelson Ewert

Credit Card Premium Products Business Area
Led development of the first NPV-based acquisition policy for Nu’s premium credit card, integrating product-specific revenues, costs, and risk assumptions into credit decisions for high-income prospects.
Expanded premium-card eligibility to roughly 40% of high-income prospects and increased releases about 10x to approximately 1.5K per month.
Built analyti

Investments Business Unit
Designed and executed A/B tests, performance reporting, and decision-support analyses for product and business initiatives across the investments journey.
Built Spark/Scala-based datasets from raw data and contributed to onboarding and shared data assets used to support product decisions, integrations, and analytics workflows.
Led testing and analyses for the NuInvest int

Logistics Business Unit - Strategic Operations
Led strategic analyses of logistics operations for medium and large restaurant partners, translating customer-experience and fulfillment metrics into actions for commercial and support teams.
Built dashboards, KPIs, and data models to monitor logistics performance, identify operational bottlenecks, and support decision-making for strategic accounts.
P

Logistics Business Unit - Restaurant Experience
Analyzed logistics performance and customer-experience metrics to support operational decisions and service improvements for strategic restaurant accounts.
Developed dashboards and recurring analyses in Tableau, Databricks, and SQL to track performance, diagnose issues, and guide prioritization.
Supported cross-functional stakeholders with data-drive

Working with waterproofing products marketing (retail channel)
- Product line management (portfolio, price, packing, formulation, etc.)
- Writing and presentation of performance reports (Excel/PowerPoint/Qlikview/Qlik Sense)
- Support to the sales team
- Planning and execution of commercial campaigns

- Production management in offshore fields
- Numerical simulations and results' forecast (CMG)
-Data treatment and dashboard creation in data visualization tool
- Support to the field team

Part-time job as an english teacher

Postgraduate degree in Analytics & Artificial Intelligence – Data Science from FIA Business School from 2021 to 2023.

Definitions in Data Science, Fundamentals of Python, Data Collection, Data manipulation and visualization, Fundamentals of probability and statistics, Deploying, Database & SQL, Machine learning

Financial analysis, financial calculation, Valuation, Marketing, business strategy, business modeling

Bachelor of Engineering in Petroleum Engineering from Universidade de São Paulo from 2013 to 2019.

One-year exchange program via Science Without Borders