About

Software Engineer with 6 years of experience, front-end specialist and aspiring designer. I create minimalist and functional interfaces with a focus on usability, performance and scalable architecture. I work with TypeScript, React, Next.js and Node.js to deliver solutions that solve real problems.

Work Experience

• 2024 - Today
  Front-end Software Engineer at ReamManaus, Amazonas - Brazil
• 2023 - 2024
  Full Stack Software Engineer and Systems Analyst at Adventist Hospital of ManausManaus, Amazonas - Brazil
• 2022 - 2023
  Front-End Software Engineer and Customer Prospector at Trixx TEMViseu - Portugal

Writing

• 6 Sep 2025
  Optional vs. Undefined: Understanding TypeScript's Approach to Required PropertiesIn this article, we will explore the difference...
• 2 Sep 2025
  React Internals: Which useEffect runs first?useEffect is one of the most commonly used hook...
• 30 May 2025
  React.memo Demystified: When It Helps and When It HurtsIn this post, we’ll look at how these tools act...
• 29 May 2025
  Beyond React.memo: Smarter Ways to Optimize PerformanceToday, I want to explore some fundamental conce...

Side Projects

• Theme
  Boiler Bloom ThemeIn the early morning, Boiler Bloom is the code 🔥
• Library
  IOCXType-safe IoC container for TypeScript. Register and resolve dependencies easily.
• Library
  Native VariantsSimplify and streamline style management in React Native with TypeScript support

Education

• 2025 - 2025
  Program Tech LeadRemote

  
• 2024 - 2026
  Systems Development Analysis at Fametro (EAD)Manaus, Amazonas - Brazil

Contact

• Github
  matheussfigueiredo
• Instagram
  @letmat.code
• Linkedin
  @letmatcode
• Youtube
  @letmatcode
• X
  @letmat_code