Marcelo Gomes Martins, Front-end Developer in Poznań, Poland
Marcelo Gomes Martins

Front-end Developer in Poznań, Poland

Member since April 26, 2019
Marcelo is a front-end developer with over a decade of experience building pixel-perfect websites. He's worked across desktop and mobile, developing web and mobile apps. Marcelo is also an expert at solving complex UI problems along the way and enjoys seeing his work in action.
Marcelo is now available for hire




Poznań, Poland



Preferred Environment

Chrome, Visual Studio Code, Vim Text Editor

The most amazing...

...thing I've built was a complex interface for a chat application for a major eCommerce in the US.


  • Front-end Developer

    2019 - 2019
    Casper (via Toptal)
    • Create new components using React.
    • Made adjustments on the markup HTML to improve the user experience and focusing on SEO.
    • Maintained a responsive layout.
    • Created new pages for AB tests.
    Technologies: HTML, Sass, Redux, React
  • Front-end Developer

    2018 - 2019
    • Built a complex responsive UI for a chat application.
    • Developed a React application using Flow as a static type checker.
    • Conducted unit testing with Jest and the React Testing Library.
    Technologies: AWS AppSync, Redux, React, JavaScript, CSS, HTML
  • Senior Front-end Engineer

    2017 - 2018
    Epam Systems (Gdansk, Poland)
    • Developed complex user interfaces using React and Redux.
    Technologies: CSS, HTML, Redux, React
  • Senior Front-end Engineer

    2015 - 2015
    Upboox Technology Company (Rio de Janeiro, Brazil)
    • Created a social network's UI using Node.js, Express,js, and React.
    Technologies: Express.js, React, Node.js, JavaScript, CSS, HTML
  • Senior Software Engineer

    2013 - 2014
    Aragão Publicidade (Rio Grande do Norte, Brazil)
    • Created websites and web applications.
    Technologies: React, Ruby on Rails (RoR), JavaScript, CSS, HTML
  • Senior Software Engineer

    2012 - 2013
    OvermediaCast (São Paulo, Brazil)
    • Created a website in Ruby on Rails, HTML, and CSS.
    • Developed a type of video analytics software with Angular.
    • Constructed an analytics server with Sinatra using MongoDB over Heroku.
    Technologies: Heroku, MongoDB, Sinatra, JavaScript, CSS, HTML, Ruby on Rails (RoR)


  • for Morkriya

    I implemented a complex UI for a chat application for the site,

  • | React Native Application

    I've built this React Native application (Android/iOS). See more at the link.

  • Epam Systems

    For Epam Systems, I worked in a team to build a system for the UBS Bank using React components and a React data table on top of a semantic HTML markup and styles using LESS.


  • Languages

    HTML5, CSS, Sass, JavaScript, HTML
  • Paradigms

  • Storage

    JSON, MongoDB
  • Other

    PSD to HTML, Photoshop CC 2019
  • Frameworks

    React Native, Redux, Chrome, Express.js, Ruby on Rails (RoR), Sinatra
  • Libraries/APIs

    React, jQuery, Node.js, Google Maps API
  • Tools

    Vim Text Editor, VS Code, AWS AppSync
  • Platforms

    Visual Studio Code, Heroku, Linux, MacOS

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