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

Front-end Developer in Athens, Central Athens, Greece

Member since December 5, 2014
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



  • JavaScript, 7 years
  • SQL, 7 years
  • PHP, 7 years
  • SCSS, 3 years
  • Backbone.js, 1 year
  • React, 1 year
  • Vue.js, 1 year


Athens, Central Athens, Greece



Preferred Environment

Gulp, JetBrains IDE, Git, Photoshop, Windows

The most amazing...

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


  • Freelance Web Developer

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

    2015 - PRESENT
    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: PHP, JavaScript, SCSS, Gulp, WordPress
  • Freelance Web Developer

    2015 - PRESENT
    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: PHP, WordPress, jQuery
  • Freelance Senior Front-end Developer

    2018 - 2018
    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 pre-processing and image optimization.
    • Ensured high compatibility standards across different devices via robust testing.
    Technologies: Vue.js, PHP, SCSS, Gulp
  • Freelance Senior Front-end Developer

    2017 - 2018
    Adverator (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.
    Technologies: PHP, JavaScript, SCSS, Gulp, CodeIgniter, Handlebars
  • 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: PHP, JavaScript, SCSS, Gulp, Drupal
  • 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: WordPress, PHP, LeafletJS, MapBox, AngularJS
  • 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: PHP, SCSS, JavaScript, WordPress, Bootstrap
  • 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: PHP, JavaScript, WordPress, CakePHP, SCSS, LESS
  • 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: PHP, VBA, T-SQL, Java


  • Energy and Stuff (Development)

    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.

  • Animagic (via Toptal) (Development)

    Implemented a highly customizable WordPress theme heavy in animation effects.

  • STAMPD (Development)

    Co-founder of this web application. Designed and developed in WordPress, it calculates the SHA-256 hash of a document in the client-side and posts it to the Bitcoin or Ethereum blockchain.

  • Adverator (Development)

    Implemented most of the front-end features and updates for their complex web application.

  • Hypermetron (Development)

    Portfolio site for my sole proprietorship business.

    Designed and developed this website as a single-page app. The front-end is built with React and Backbone while the back-end is a custom WordPress theme with a custom plugin that exposes REST endpoints.

  • LuxurIOS (Development)

    Partially developed this website, which was submitted to the EBGE design awards for 2015.

    This website is based on the company's CakePHP CMS. Vimeo videos are embedded throughout, and custom JavaScript code is used to remove the mattes and control the playback.

  • Agropoly (Development)

    Was submitted in the EBGE design awards for 2015.

    Developed a responsive and speed optimized WordPress theme using LibSass and jQuery, amongst others.

  • Coral Hotel (Development)

    Created a WordPress theme framework which is being used as a basis for future websites. Initially, Compass was used for the styles, but I changed it to LibSass, which vastly sped up the development process.

  • HPM Theme Framework (Development)

    Theme framework to aid fast development and clean project structure.

    Developed a theme framework based on the needs of my previous WordPress projects. Its vast array of features includes: Custom back-end fields, Ajax contact forms with front-end validation, SEO via microdata, lazy loading of assets, WordPress customizer support, WooCommerce, and others.

  • Diamond Deluxe Hotel (Development)

    Developed Diamond Deluxe Hotel's website, which was a finalist on the prestigious Ermis Awards 2014.

    This website was developed in the company's custom CakePHP CMS. It was heavy in HTML5 video and parallax effects. Compass was used for the styles.

  • Mozaik Blog (Development)

    Developed the blogging WordPress theme for my previous employer Mozaik.

    The fully optimized blogging theme uses responsive images and deferred loading of non-critical CSS.

  • 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.
  • 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.
  • 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, XML, Java
  • Frameworks

    Bootstrap, CakePHP, JavaScript MVC
  • Libraries/APIs

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

    Gulp.js, PhpStorm, WebStorm, Adobe Photoshop, Adobe Illustrator
  • Paradigms

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

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

    MySQL, JSON, Microsoft SQL Server, MongoDB
  • Other

    Ajax, Cryptocurrency, Smart Contract, Blockchain Developer, Smart Contracts, Bitcoin, Web Services


  • 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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