Harrison Mendonça, Software Developer in Rio de Janeiro - State of Rio de Janeiro, Brazil
Harrison Mendonça

Software Developer in Rio de Janeiro - State of Rio de Janeiro, Brazil

Member since March 28, 2019
Harrison has 12 years of experience developing websites, applications, and interactive installations. Prior to founding Grama, a front-end company, and Cammada, an online marketplace for 3D printing, he studied graphic design at the Federal University of Rio de Janeiro in Brazil. He's passionate about open source culture and devotes his extra time on research and experimentation.
Harrison is now available for hire




Rio de Janeiro - State of Rio de Janeiro, Brazil



Preferred Environment

Trello, Slack, GitHub, VS Code, MacOS

The most amazing...

...project I've created was a complex navigation system where every page has a custom transition between them and some persisted elements across screens.


  • Front-end Lead and Mobile Developer (Remote)

    2018 - PRESENT
    • Developed the MVP of an Android and iOS app using Cordova.
    • Migrated the app from Cordova to React Native.
    • Improved performance while refactoring visual components.
    • Set up CI/CD with Bitrise service.
    • Added custom page transitions and animations.
    Technologies: Cordova, React Native
  • Founder and CTO

    2015 - 2019
    • Led the front end develop team.
    • Resolved complex development tasks that the team can't do.
    • Organized briefings and scrum calendar.
    • Organized finances.
    Technologies: WordPress, WebKit, React
  • Senior Developer (Remote)

    2015 - 2018
    • Developed the main company platform to search and watch video lessons using React.
    • Served as the front-end lead of a tool that students could consult their national score of exams. On the launch day, it achieves one million users. Used AWS S3 to cache the dynamic data.
    • Created the Thread feature (like Slack) for live chat during the online lessons.
    • Added visual animations and a responsive layout for landings.
    • Removed malware and saved the blog source code from a shared hosting service.
    Technologies: SCSS, GraphQL, Jest, React
  • Co-Founder and CTO

    2015 - 2017
    • Developed a marketplace for 3D printing.
    • Improved shipping service with dedicated Lambda function in AWS.
    • Organized and implemented a design system for UI/UX.
    • Create a client-side calculation for volumes of a 3D file (.stl).
    • Developed an online calculator with form and graphics for printer shops to estimate their cost and price.
    Technologies: AWS, WordPress, Laravel, React
  • Senior Developer

    2012 - 2014
    • Developed interactive installations with a high level of interactive and visual effects.
    • Processed different user inputs like Kinect, electronic sensors, sound spectrogram, etc.
    • Managed the software for big companies, like Tesla, Solar City, and SXSW.
    • Contributed to video mapping with custom software developed in house.
    • Helped designers and architects to develop good solutions in a short timeframe.
    Technologies: ActionScript, Arduino, Processing, C++, OpenFrameworks



  • Languages

    JavaScript, SCSS, PHP, GraphQL, C++, Processing, ActionScript
  • Frameworks

    React Native, Express.js, Express.io, Cordova, Jest, OpenFrameworks, Laravel
  • Libraries/APIs

    Node.js, React, Three.js
  • Tools

    Adobe Illustrator, Sketch, Slack, Trello, Git, VS Code, GitHub
  • Paradigms

  • Platforms

    iOS, MacOS, Arduino, WordPress
  • Storage

    MySQL, MongoDB
  • Other

    AWS, WebKit


  • Bachelor's degree in Graphic Design
    2005 - 2011
    Federal University of Rio de Janeiro - UFRJ - Rio de Janeiro, Brazil

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