Antonios Minas, Front-end Developer in Athens, Central Athens, Greece
Antonios Minas

Front-end Developer in Athens, Central Athens, Greece

Member since February 9, 2015
Antonios is a senior software engineer specializing in front-end, WordPress, Blockchain technology, PHP, and JavaScript frameworks with more than eight years of professional experience spanning from the IT sector to digital advertising. He is passionate about applying top-end solutions and software engineering patterns in order to solve complex problems.
Antonios is now available for hire




Athens, Central Athens, Greece



Preferred Environment

Windows, Photoshop 2018, Git, JetBrains, Gulp

The most amazing...

...landing page I've developed was for the Institute for Integrated Economic Research.


  • Freelance Senior Front-end Developer

    2018 - PRESENT
    Reconstrukt (via Toptal)
    • Implemented the front end for a live trivia game for SYFY's Krypton TV series.
    • Created a Gulp build system for CSS preprocessing and image optimization.
    • Ensured high compatibility standards across different devices via robust testing.
    Technologies: Webpack, SCSS, PHP, Vue
  • Freelance Senior Front-end Developer

    2017 - 2019 (via Toptal)
    • Helped set strict guidelines for front-end development by utilizing the BEM methodology.
    • Streamlined the front-end automation process by adding Browsersync which allows for faster development and testing of new features.
    • Brought complex designs and interactions to life such as dashboards, forms and seamless UI choreography.
    • Worked as a lead front-end developer in the product's redesign.
    Technologies: Handlebars, CodeIgniter, Gulp, SCSS, JavaScript, PHP
  • Freelance Web Developer

    2016 - 2019
    WebEdge (via Toptal)
    • Maintained and developed several new features on a large national brand WordPress multisite.
    Technologies: CSS, JavaScript, WordPress, PHP
  • Freelance Web Developer

    2016 - 2018
    Young Conservatives, LLC (via Toptal)
    • Developed several WordPress plugins for the client's advertising needs. Features included displaying any number of different ads randomly or in serial order, responsive ads, and ads injected in post content.
    • Enhanced the user experience using Ajax and front-end validation for form submission in Mailchimp and contact forms.
    • Improved user engagement with various sharing features. Added tracking of user exit intent with the use of jQuery and local storage.
    • Completely redesigned and currently maintaining the network of WordPress sites, emphasizing speed, optimization, and usability.
    Technologies: jQuery, WordPress, PHP
  • Freelance Web Designer

    2015 - 2018
    Animagic (via Toptal)
    • Created a highly customizable WordPress theme where the user is able to pick colors and edit the look and feel of the website from the back-end settings.
    • Implemented two different parallax techniques: The first one is relative to device orientation or mouse position and the latter is relative to page scroll. While heavy in animations and parallax effects, the website is fully functional in mobile devices. Several effects are disabled in order for the site to run smoothly in mobile browsers.
    • Utilized CSS animations to develop complex interaction effects. During the development process, we collaborated with the client, and in short iterations, implemented complex animations and other effects.
    Technologies: WordPress, Gulp, SCSS, JavaScript, PHP
  • Freelance Web Developer

    2016 - 2016
    IIER (via Toptal)
    • Developed a complex parallax front-end design for their energy awareness website.
    • Employed the power of Zen framework on a Drupal 8 configuration.
    Technologies: Drupal, Gulp, SCSS, JavaScript, PHP
  • Web Developer

    2016 - 2016
    Konstantin Solutions, LLC
    • Maintained and upgraded multiple map features on the military edge web application.
    • Fixed issues regarding displaying complex data extracted from a WordPress both on the map and on data tables.
    Technologies: AngularJS, Mapbox, LeafletJS, PHP, WordPress
  • Freelance WordPress Developer

    2015 - 2015
    Folio Websites (via Toptal)
    • Redesigned and developed the theme back-end pages using Bootstrap.
    • Used a PHP SCSS compiler to compile the SCSS styles derived from the framework's settings.
    • Merged multiple themes in one easily maintainable framework.
    • Added several cosmetic improvements which the end user can control through the settings page.
    • Converted old HTML code to semantic and fully responsive HTML5 including microdata for better SEO.
    Technologies: Bootstrap, WordPress, JavaScript, SCSS, PHP
  • Front-end Engineer

    2014 - 2015
    • Employed Gulp in order to create a front-end automated workflow, which helped me greatly speed up the development process.
    • Converted interaction designs from PSD to valid, search engine optimized, and responsive HTML.
    • Developed themes and theme frameworks for WordPress and a custom CMS built with the CakePHP framework.
    • Applied best practices in web optimization such as responsive images, spriting, font icons, image optimization, deferred loading of JavaScript, non-critical CSS, and images.
    • Maintained a GitHub repository with my most-used scripts and Gulp automation Bootstrap.
    • Helped set strict coding guidelines for all of our projects.
    Technologies: Less, SCSS, CakePHP, WordPress, JavaScript, PHP
  • Software Engineer

    2010 - 2014
    Mellon Group of Companies
    • Developed Cardiff TeleForm document process management applications (OCR, ICR).
    • Administered, maintained, and upgraded legacy Java and other IT projects, one of which was a large-scale mission-critical banking application.
    • Participated in the process of writing technical documents and technical analysis for several IT projects and business offers.
    • Developed web applications in order to automate and accelerate business processes which where outsourced to clients.
    Technologies: Java, T-SQL, Visual Basic for Applications (VBA), PHP


  • Energy and Stuff

    Implemented the landing page for the Institute for Integrated Economic Research.

    In an attempt to raise awareness, an estimate of the energy consumption is being displayed at the bottom right corner while an array of additional settings can be adjusted on mouseover.


    Working as lead front-end engineer for Addy's redesign, I helped restructure their UI while maintaining legacy features wherever required.

  • Uplyft Capital

    Created the new website for Uplyft Capital, a site heavy on animations and on view effects.

    Animations are imported and managed in a custom interface specifically created for lottie/bodymovin JSON files which are exported directly from Adobe After Effects.

    Forms can be created and edited via a custom interface designed to connect to third party software via API calls or plain HTTP requests.

    The website uses the latest version of WordPress. All of the templates are seamlessly split in blocks which are managed via Gutenberg.

    All of the above, play important roles in eliminating the need for development when the client wants to launch new pages or modify their branding.

  • Animagic

    Implemented a highly customizable WordPress theme heavy in animation effects.


    Co-founded is a web application that uses public blockchains to timestamp your original digital creations. Ever since our launch in early 2015, we've collaborated with companies in variours sectors such as: media, medical, research and more.

  • Mozaik Blog

    While I was employed at Mozaik, I had the honor to implement the WordPress theme for their official blog.

    The fully optimized blogging theme uses several advanced optimization techniques that ensure swift loading and navigation between pages.

  • Barclays UI for Creating Shows to Be Displayed in NYC Headquarters Exterior Screen

    Transformed wireframes to material design styled UI using Vue and Vuetify to achieve an intuitive user experience.

    The project consists of a large number of inputs, complex validations, and a live preview for scaling and positioning assets on the screen. My main focus during development was reusability of components.

  • Conduent Innovation Center Tablet Web Applications

    For Conduent's Innovation Center, I used Vue, Vuex and Vuetify to create four web applications to be loaded in native iPad application web views.

    The apps control various aspects of the state of the art facility via websockets and REST API calls; for example, PDF and video presentation controls, conference calls, etc.

  • Chobani Gimmies

    For Chobani's launch of a new children's yogurt product line, I used Vue to create a live contest website. The application is managed by contentful CMS and the data is updated automatically without the need for a browser refresh.

    During the competition, the site used a synchronized timer and the opening and closing dates where scheduled beforehand.

    Typically, contest submissions would close only seconds after their start and the app was capable to handle the heavy traffic

  • CSS Best Practices and Tips by Toptal Developers (Publication)
    This resource contains a collection of CSS best practices and CSS tips provided by our Toptal network members.
  • An Introduction to JavaScript Automation with Gulp (Publication)
    Developers often automate certain repetitive and tedious tasks to save time as well as to stay focused on the task at hand. This article demonstrates how simple and easy it is to use Gulp as a build tool.
  • Toptal Mentor
    Antonios is a mentor in the Toptal Global Mentor’s Program. This program is a partnership between Toptal and General Assembly to provide high quality mentorship for students from minority and low income backgrounds who are looking to begin their careers as professional software engineers. Antonios shows commitment to diversity in tech by mentoring a General Assembly student every week for a year, covering everything from coding tips and tricks to advice on making it in the industry.


  • Languages

    CSS3, CSS, SQL, Less, HTML, JavaScript, SCSS, HTML5, PHP, Sass, Visual Basic for Applications (VBA), Transact-SQL, T-SQL, XML, Java
  • Frameworks

    Bootstrap, JavaScript MVC, CakePHP, AngularJS, CodeIgniter
  • Libraries/APIs

    React, Vue, Handlebars, jQuery, Node.js, Backbone.js, LeafletJS
  • Tools

    Gulp, PhpStorm, Webpack, WebStorm, Adobe Photoshop, JetBrains, Git, Photoshop 2018, Adobe Illustrator
  • Paradigms

    Functional Programming, Object-oriented Programming (OOP)
  • Platforms

    WordPress, WooCommerce, Hyperledger, Ethereum, Blockchain, Windows, Mapbox, Drupal, Drupal 8
  • Storage

    MySQL, JSON, Microsoft SQL Server, MongoDB
  • Other

    Ajax, Web Services, Cryptocurrency, Blockchain Development, Smart Contracts, Bitcoin


  • Master's Degree in e-Business Technology
    2006 - 2007
    University of Manchester - Manchester
  • Bachelor's Degree in Computer Science
    2003 - 2006
    University of Bradford - Bradford

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