Paul-Catalin Mestereaga, Software Developer in Timișoara, Timiș County, Romania
Paul-Catalin Mestereaga

Software Developer in Timișoara, Timiș County, Romania

Member since March 29, 2017
Paul is a devoted Magento developer, a real go-getter, and a person who is truly passionate about the web. He helps eCommerce companies to start or expand their business by building custom Magento stores, third-party integrations, and efficient systems that drive impact and inspire trust.
Paul-Catalin is now available for hire




Timișoara, Timiș County, Romania



Preferred Environment

Git, PhpStorm, Linux, MacOS

The most amazing...

...project I've made is a custom module for managing the sales prices for a Magento shop that is available in five countries and has more than 30,000 products.


  • Freelance Senior Magento Developer

    2017 - PRESENT
    530medialab (via Toptal)
    • Successfully migrated several Magento 1 websites to Magento 2.
    • Refactored and bug-fixed an existing custom CMS built to maintain the year, make, and model product information for multiple eCommerce sites built on a Magento platform.
    • Reviewed the database structure and restructured and separated it among three brands.
    • Fixed inconsistencies in the data upload requirements.
    • Implemented custom year, make, and model product filtering and selection for Magento 2.
    • Implemented a custom Magento 2 product synchronization using the API.
    • Enabled custom Magento 2 order exports using the API.
    Technologies: MySQL, Magento 2, HTML5, PHP, Magento, Magento 1, Magento API, Magento Modules, CSS3, JavaScript, Git, Laravel
  • Freelance Senior Magento Developer

    2018 - 2021
    Spanx (via Toptal)
    • Assisted in the upgrade from Magento 2.1 to Magento 2.2.
    • Created custom features for different parts of the sales funnel.
    • Developed the plan and architecture for multiple stores and languages.
    • Implemented third-party integrations with different marketing platforms.
    • Collaborated on customizing the returns process (RMA) and improving customer experience during this process.
    Technologies: CSS, MySQL, Magento 2, PHP, Magento, Magento API, Magento Modules, HTML
  • Magento Developer

    2013 - 2018
    • Developed a Magento platform this included maintaining, updating, and creating custom modules respecting the Magento guidelines, efficiency standards, and optimization techniques.
    • Worked with a Magento store available in six languages, in five countries with over 30,000 products; optimization and speed were always considered musts.
    • Created and updated modules that ensured product management, sales management, orders exportation, and provided custom statistics.
    • Built an automated tool for pupillary distance calculation and a virtual eyeglasses try-on module.
    Technologies: MySQL, Magento 2, HTML5, PHP, Magento, Magento 1, Magento API, Magento Modules, CSS3, JavaScript, Git
  • Freelance Magento Developer

    2017 - 2017
    Athena Solutions (via Toptal)
    • Built new stores.
    • Created new products and specific product pages.
    • Configured the Magento 2 platform for multiple languages and currencies.
    • Integrated a new design using HTML5 and CSS3.
    • Worked closely with the project manager, designer, and translators.
    Technologies: MySQL, Magento 2, HTML5, PHP, Magento, Magento 1, Magento API, Magento Modules, CSS3, JavaScript
  • Magento Developer

    2014 - 2014
    Laboratoire E-Sciences SA
    • Created a responsive theme for the Magento store using CSS3 and HTML5.
    • Optimized the website for mobile-use and decreased the website load speed.
    • Crafted custom modules that manages doctors, pharmacies, and fidelity programs.
    Technologies: MySQL, Magento 2, HTML5, PHP, Magento, Magento 1, Magento API, Magento Modules, CSS3, JavaScript
  • Software Developer Intern

    2012 - 2012
    Fraunhofer IPA
    • Implemented new gestures for technical multi-touch applications.
    • Developed software to test gestures; using the Multitouch API of Windows 7 and defining the new gestures.
    Technologies: C++


  • Instagram Pro Extension for Magento

    This is an Instagram Pro extension for Magento which allows people to link Instagram pictures to Magento products and display them on the product page. The extension is published in the Magento Marketplace.

  • Magento Performance Optimization Explained (Publication)
    Magento is an extremely popular eCommerce platform used by businesses of all sizes, so what can we do to make it faster and more efficient? In this article, Toptal Freelance Magento Developer Paul Mestereaga explains what you can do to improve the performance of your Magento site.


  • Languages

    CSS3, JavaScript, PHP, HTML5, C++, HTML, CSS
  • Tools

    Magento Modules, PhpStorm, Git, Adobe Photoshop, Illustrator CC
  • Paradigms

    Object-oriented Programming (OOP), Model View Controller (MVC), Object-relational Mapping (ORM)
  • Platforms

    Magento API, Magento 2, Magento 1, Magento, MacOS, Windows, Linux
  • Storage

  • Other

    Freelance, Shell Commands
  • Frameworks

    Laravel, Zend Framework


  • Master's Degree in Computer Science (Web and Information Systems)
    2012 - 2014
    Vrije Universiteit Brussel - Brussels, Belgium
  • Bachelor of Applied Science Degree in Systems Engineering, Automation, and Applied Informatics
    2008 - 2012
    Politehnica University of Timișoara - Timisoara, Romania
  • Baccalaureate Degree in Mathematics and Computer Science
    2004 - 2008
    Decebal National College - Deva, Romania

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