Jessé Vicente

Fintech platform for digital creators: subscriptions, payments, and infoproduct sales.

• Redesigned the payment refund flow with a 24-hour reversal window, reducing involuntary churn and protecting revenue.
• Eliminated inconsistent payment states across checkout flows through deterministic state validation rules, increasing reliability for consumer payment transactions.
• Tightened web security

Electromobility platform delivering solutions for global automotive and energy companies like BYD and Shell.

• Developed the BYD Recharge infotainment app, supporting the onboarding of 330,000+ registered drivers in 2025.
• Resolved a critical data-fetching bottleneck by replacing WebSocket streams with controlled polling and location-based updates, reducing bandwidth usage by over 95% and improv

Worked on digital banking solutions for Banco do Brasil mobile app, serving 27M+ users.

• Redesigned critical financial flows, reducing average transaction completion time by 50% on international transfers.
• Led component standardization initiative across the codebase, raising test coverage from 42% to 81%.
• Improved WCAG accessibility compliance across banking screens, enabling inclusive acces

Built end-to-end web solutions for clients in various segments, including apparel, sports uniforms, and gift products, delivering custom platforms for product customization and sales workflows.

• Delivered 200+ product simulators, admin dashboards, and institutional websites end-to-end across multiple industries.
• Migrated a legacy PHP monolith to Laravel, improving security posture, performance

Supported municipal healthcare system development and data management solutions that enhanced clinical decision-making and improved public health service delivery.

• Contributed to automated reporting initiatives by developing SQL queries to monitor public health metrics and clinical outcomes across the municipal healthcare network, managing data for 250k+ registered patients.
• Provided user sup

I graduated in 2020 and acquired knowledge in algorithms, data structures, operating systems, software engineering, web development, among other areas.

For my thesis, I conducted a comparative study between React Native and Flutter, highlighting their main features, architecture, advantages, disadvantages, demonstrating when each framework is more suitable for cross-platform mobile app developmen

Jul 2020