Osny Netto, Software Developer in Dublin, Ireland
Osny Netto

Software Developer in Dublin, Ireland

Member since April 29, 2019
Osny is a senior front-end developer and UI designer with over 12 years of experience developing and designing high-performance user interfaces that people genuinely enjoy using. When Osny works on a project, his focus is inevitably on delivering interactive, usable, scalable, and visually appealing applications.
Osny is now available for hire


  • Conpass
    MongoDB, Redux, CSS, Node.js, React, TypeScript
  • Self-employed
    CSS, HTML, JavaScript, Vue, React, UI Design
  • CIMM
    PostgreSQL, CSS, Ruby on Rails (RoR)



Dublin, Ireland



Preferred Environment

Slack, ITerm, Sketch, Git, Visual Studio Code, MacOS

The most amazing...

...thing I've built is a Chrome extension that enables users to create guided tours to their website with no coding skills needed.


  • Senior Front-end Developer (User Onboarding)

    2016 - 2019
    • Developed and designed a Google Chrome extension using React and Redux.
    • Designed the company's web app.
    • Developed the API and web app mainly with JavaScript (Node.js, Express.js, React, and Redux).
    • Maintained cross-browser and lightweight pixel code (injectable JavaScript).
    • Designed a product focused on self-service which allowed the company to scale quickly.
    Technologies: MongoDB, Redux, CSS, Node.js, React, TypeScript
  • Senior Front-end Developer | UX Designer

    2016 - 2016
    • Developed and maintained some open-source projects; you can see more in my portfolio.
    • Worked as a volunteer at Baobba, mainly on Quintal de Troca's website.
    Technologies: CSS, HTML, JavaScript, Vue, React, UI Design
  • Front-end Developer | UI/UX Designer

    2012 - 2016
    • Prototyped high-quality designs.
    • Consulted on SEO issues (mainly on-page).
    • Set up a cloud structure on Rackspace to host the apps (RoR) and make it easy to scale.
    • Automated the deployment process using Capistrano.
    • Updated the main product from a legacy Rails version to the newest one which increased the overall speed of the website by more than 50% (based on monitoring tools (client-side and back-side).
    • Automated the development process using Vagrant.
    • Wrote documentation for the company's apps.
    • Developed and maintained websites using WordPress.
    Technologies: PostgreSQL, CSS, Ruby on Rails (RoR)
  • Front-end Developer | UI Designer

    2013 - 2014
    • Redesigned the most visited pages—helping the users to accomplish crucial actions.
    • Collaborated with other team members using tools like Mercurial, Jira, and Bitbucket.
    Technologies: CSS, Python
  • Developer | Designer

    2012 - 2012
    Instituto Stela
    • Improved the UI of some of the company's major products such as the Stela Experta and Aquarius platforms.
    • Developed an internal website using Liferay to help the team to keep updated about processes and activities.
    • Built and maintained websites using WordPress and Joomla.
    Technologies: Design, Content Management Systems (CMS), HTML, CSS
  • Web Designer | Developer

    2005 - 2011
    Jimmy FFW
    • Created the UI design and developed the front-end.
    • Developed websites with WordPress and Joomla.
    • Built web apps using Ruby on Rails and PHP.
    Technologies: Ruby on Rails (RoR), PHP, WordPress, Joomla, CSS, HTML
  • Web Designer | Developer

    2007 - 2008
    • Created custom themes for an LMS system (Moodle).
    • Designed and developed the company's website.
    • Helped the team to create and deliver EAD platforms.
    Technologies: Moodle, CSS, HTML, JavaScript, PHP


  • Conpass

    I worked closely with a team to create Conpass' website.

  • GitHub

    Here you can see some of the contributions that I've made to various open-source projects.

  • Joybird

    I maintained and extended a React UI components library. I had to ensure that every single component was pixel-perfect and integrate smoothly with other components. I also worked closely with others to build this eCommerce from scratch using React.

  • Quintal de Trocas

    I worked as a volunteer at Baobba, mainly on Quintal de Troca's website.

  • Airfocus

    I worked as a front-end/UI engineer redesigning the app and focusing on improving their onboarding steps.


  • Languages

    HTML, JavaScript, CSS, HTML5, Sass, CSS3, ECMAScript (ES6), SCSS, TypeScript, GraphQL, Haml, Python, PHP, Ruby
  • Frameworks

    MUI (Material UI), Cypress.io, Jest, Redux, Bootstrap, Express.js, Slim, Tailwind CSS, Next.js, Ruby on Rails (RoR), React Native
  • Libraries/APIs

    React, JSON API, Flexbox, Vue, REST APIs, React Redux, jQuery, Ruby ERB, Node.js, OpenAPI
  • Tools

    GitHub, ITerm, Slack, Sketch, Git, JSX, NPM, Webpack, Babel, React Apollo, Google Analytics, Moodle
  • Paradigms

    Responsive, UI Design, On-page SEO, UX Design, REST, RESTful Development, Agile, Test-driven Development (TDD), Agile Software Development, Scrum, Responsive Coding
  • Platforms

    Webflow, MacOS, Heroku, Amazon Web Services (AWS), Linux, WordPress, Visual Studio Code, Firebase, Joomla, Docker
  • Industry Expertise

    Web Design
  • Other

    Web Development, SaaS, Front-end, User Experience (UX), User Interface (UI), Front-end Design, APIs, Single-page Applications (SPA), UI, Web UI, Pixel Perfect, CSS Grid, Styled-components, Styling, Material Design, Dashboard Development, Cross-browser Testing, Data Visualization, PSD Slicing, Code Review, AWS, RESTful APIs, Full-stack, eCommerce, Gatsby, Back-end, Apollo, CSS3 Animation, SVG, Apollo Server, Content Management Systems (CMS), Design, Responsive UI, Storybook
  • Storage

    MySQL, MongoDB, PostgreSQL


  • Associate's Degree in Graphic Design
    2010 - 2013
    Universidade do Vale do Itajaí - Florianópolis, Brazil

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