João Queiroz, Developer in Lisbon, Portugal
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João Queiroz

Full-stack Developer

Lisbon, Portugal

Toptal member since November 11, 2022

Bio

João is a software engineer with a solid experience in both back-end and front-end development. His main area of expertise is working in Express.js, Node.js, and React, and his background includes diverse projects, from smart homes to energy and cybersecurity. João is a diligent worker, always bringing excellence and contributing to good team cooperation, leaving clean code and good practices for other developers.

Portfolio

HydraDev
React, JavaScript, TypeScript, Express.js, Node.js, MongoDB
Loop OS
Next.js, React, TypeScript, Front-end
FRS Systems
React Native, Jest, TypeScript, Mobile

Experience

  • Express.js - 5 years
  • Node.js - 5 years
  • JavaScript - 5 years
  • TypeScript - 5 years
  • Python 3 - 4 years
  • React - 4 years
  • SQL - 4 years
  • MongoDB - 3 years