A digital banking platform serving Brazilian businesses. As a Frontend Engineer embedded in the
Expense Management and Banking tribes over 3.5 years, I contributed to rebuilding core
infrastructure, automating compliance workflows, and shipping features that directly impacted
retention and revenue.
Internet Banking RebuildAs part of an independent team, rebuild the entire internet banking platform from scratch while keeping the product running in production.
Expense Management & ComplianceOptimize complex compliance workflows by automating repetitive tasks without compromising security or regulatory requirements.
Customer RetentionDesign personalized onboarding journeys to improve new user activation and long-term engagement.
Payment SystemsReduce critical payment failures that were directly impacting user trust and platform reliability.
Business ImpactDevelop features that contributed directly to revenue, including subscription services and conversion optimization.
The Impact
The results were measured in operational efficiency, user retention, payment reliability, and direct
revenue contribution.
150h
Monthly savings in automated compliance
20%
Increase in new customer retention
98%
Payment success rate (up from 89%)
10%
Revenue from subscription service
Worked at the intersection of product, engineering, and business. Learned that the best technical solutions
are the ones that ship — and that real impact comes from features tied directly to revenue and user
outcomes.
