Donald Silveira

Senior Full-Stack Engineer

I'm a Senior Full-Stack & Mobile Engineer based in Curitiba, Paraná, BR.

What satisfies me most is building amazing products that make people and businesses prosper.

  1. Github
  2. Linkedin
  3. Twitter

Work Experience

2023 - Present

Founding Frontend Engineer

Levers (YC S22)

Founding Engineer on an AI-powered B2B accounts receivable platform, building core finance workflows for internal users and customers.

Architected and scaled a TypeScript-first Turborepo monorepo, enabling shared code and consistent patterns across multiple applications.

Built and maintained a shared UI library/design system using Tailwind CSS and Radix UI with reusable components and hooks to accelerate feature delivery.

Developed reusable tooling and configurations to improve developer experience, consistency, and onboarding across repositories.

Implemented reliable client state and server-data synchronization patterns using Zustand and TanStack React Query.

2021 - 2023

Senior Full-Stack Engineer

Casa do Saber

Led the engineering team through a full-stack platform modernization for Brazil's leading cultural education streaming service.

Built and shipped a new React Native mobile app from scratch which increased our subscription base from 5k to 10k+ over 9 months.

Rebuilt the backend from a legacy PHP codebase to NestJS within a new microservice for our payment processing system which increased our conversion rate and reduced payment failures expressively.

Drove the web platform rebuild using Next.js with a complete UI/UX redesign.

Built TV and casting device applications, delivering a unified streaming experience across mobile, web, smart TVs, and Chromecast.

2016 - 2020

Senior Full-Stack Engineer

Lighthouse

Led the development of Panvel's new React Native e-commerce app, Southern Brazil's largest pharmaceutical retail chain. Built the full mobile commerce experience from scratch, including product catalog, search, cart, checkout, and loyalty program. The new app 3x'd users and revenue within months of launch.

Tech Stack

Syntax
  • TypeScript
Languages
  • JavaScript
  • ·
  • Python
  • ·
  • Go
JS Frameworks
JS Runtimes
CSS Frameworks
UI Libraries
Database
Cloud
AI & Automation
Tools