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Vasilii Lapin, Software Developer in Eindhoven, Netherlands
Vasilii Lapin

Software Developer in Eindhoven, Netherlands

Member since July 12, 2015
Since 2009, Vasilii has worked as a web architect and programmer (PHP back-end developer) specializing in NIX administration. He has managed several complex, large-scale, and high-load projects which gave him a strong ability to read, refactor code, and find architectural solutions to a problem of complexity in PHP projects. He also has worked with PostgreSQL and MySQL databases.
Vasilii is now available for hire



  • PHP, 12 years
  • Symfony 2, 7 years
  • Nginx, 7 years
  • Sphinx Search Engine, 5 years
  • MySQL, 5 years
  • AMQP, 4 years
  • PostgreSQL, 3 years
  • Yii, 3 years
Eindhoven, Netherlands



Preferred Environment

Linux, PhpStorm, Git, Jira, Redmine, DbSchema

The most amazing...

...thing I've coded is a static cache system for the project—it demanded a special database modification for tracking entity changes and other tasks.


  • Team Lead | Senior PHP Developer

    2014 - 2014
    OOO Yopolis (
    • Developed a platform for a series of coupled projects.
    • Refactored the budget, developed an idea map, and accomplished other tasks for seven different projects.
    Technologies: PHP, HTML, CSS, JavaScript, Yii PHP Framework, Twig, Swig, jQuery, PostgreSQL,, RabbitMQ, Sphinx Search Engine, Nginx, HAProxy
  • Team Leader | Senior PHP Developer

    2013 - 2014
    OOO TOP-50 (
    • Completed the migration from the legacy code (ONPHP Framework) to a much-needed update of a Yii PHP Framework.
    • Reorganized the web architecture, redesigned the SQL database, and optimized schedule services.
    • Developed a static cache system, based on queues and PHP daemons.
    Technologies: PHP, HTML, CSS, JavaScript, Yii PHP Framework, jQuery, PostgreSQL,, Memcached, Sphinx Search, Nginx
  • Web Developer

    2012 - 2013
    Auction Tender House (
    • Developed a PHP/SOAP integration with the official government tender service.
    • Refactored portions of the project and completed tasks as needed.
    Technologies: PHP, HTML, CSS, JavaScript, Zend Framework, MySQL, jQuery,, Sphinx Search, Nginx, PHP, SOAP
  • Web Developer

    2011 - 2012
    • Developed several projects on neorCMS v4 (, and on neorCMS v5 (,
    • Built neorCMS v5.
    Technologies: PHP, HTML, CSS, JavaScript, MySQL, Memcached, Apache, Nginx
  • Web Developer

    2009 - 2011
    • Developed the site,, with a TYPO3 CMS and completed other tasks as needed.
    Technologies: PHP, HTML, CSS, JavaScript, TYPO3, MySQL, Apache


  • Yii Boilerplate Build (Development)

    A modification of the Yii Boilerplate project.

  • Yii Code Generator (Development)

    This is a code generator based on an Giix extension.

  • Symfony 2 Bundle with a New Form Type (Development)

    Provided a new form-type for entities with many references.

  • Symfony 2 Friendship Bundle (Development)

    Provided a "friendship" functionality for Symfony 2 users.

  • (Development)

    This is an entertainment portal.

  • Auction Tender House (Development)

    This is an online auction project.

  • eCommerce Project | (Development)

    This is an eCommerce project based on my own CMS. My responsibilities were the back-end development and the conversion from PSD to HTML.

  • Real Estate Project (Development)

    This is a Bulgarian estate project based on the Zend framework. My part was the back-end development and the conversion from PSD to HTML.

  • True Dependency Injection with Symfony Components (Publication)
    The Dependency Injection Container in Symfony2 allows components to be injected with their dependencies, and is often used as a Service Locator, which when combined with the DI-container pattern is considered to be an anti-pattern by many. In this article, Toptal engineer Vasilii Lapin shows us how you can build a simple Symfony2 application using the DI-container, but without implementing the Service Locator pattern.


  • Languages

    PHP, HTML, JavaScript, CSS, SQL, C
  • Frameworks

    Symfony 2, Yii, PHPUnit, Bootstrap, CodeIgniter, Zend Framework, Laravel 5
  • Libraries/APIs

    AMQP, PayPal API, jQuery, Facebook API, Twilio API
  • Tools

    Nginx, PhpStorm, Behat, Apache
  • Paradigms

    Microservices Architecture, Object-oriented Programming (OOP), REST, Scrum, Domain-driven Development, Agile Software Development, Test-driven Development (TDD), Data-driven Programming
  • Platforms

    Linux, FreeBSD
  • Storage

    MySQL, Memcached, Redis, Sphinx Search Engine, PostgreSQL, Elasticsearch
  • Other

    Payment Gateways, PHP Extensions


  • Master of Science (MSc) degree in Computer Engineering
    2003 - 2009
    National Research University of Electronic Technology - Moscow, Russia
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