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.

2020 - 2021

Senior Full-Stack Engineer

CodeLeap

Developed a SaaS platform for automated video generation using Remotion for the automotive industry.

Built React Native mobile apps for small businesses, and actively worked on new features, bug fixes, and improvements across other projects.

Implemented a CircleCI CI/CD pipeline to automatically build, test, and release our React Native app, significantly improving team delivery speed.

Tech Stack

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