Paulo Ferri Souza

Work

Trading interfaces, a law firm’s daily workflow and a kitchen app. My role, the decisions and what changed.

Case management system for a law firm

Full-stack developer — sole developer

Jan 2026 – present

A web system that took a law firm from paper files to a fully digital workflow: 3,500 clients, 6,000 cases, a Kanban board for case status, PDF petition generation and spreadsheet reports.

The firm works fully digital; six people use the system daily.

  • Next.js
  • TypeScript
  • TanStack Query
  • Tailwind CSS
  • Hono
  • Cloudflare Workers
  • Drizzle ORM
  • Cloudflare D1 (SQLite)
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XP Inc. Home Broker: white-label migration

Front-end engineer

2025 – 2026

Front-end work on the Home Broker at XP Inc. during its move to a single white-label platform, including forward-contract trading screens, the navigation menu and the migration to a new version of the SomaDS design system.

XP Inc. now runs the white-label Home Broker for all of its brands.

  • React
  • TypeScript
  • Redux Toolkit
  • WebSockets
  • styled-components
  • SomaDS
  • Jest
  • Testing Library
  • Cypress
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A mobile-first application that connects pantry tracking, recipe suggestions and shopping. Add food from photos or free text, see what needs using first, and update stock when you cook.

A working beta with reviewed food capture, recipe matching and stock updates in one flow.

  • React
  • TypeScript
  • Hono
  • Claude API
  • Vite
  • Zod
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