Vladimir Khalzov Email & Phone Number

Minsk, Belarus

Минск, Республика Беларусь

Role: Senior Software Developer (Ruby/Ruby on Rails Developer)Stack: Ruby, Ruby on Rails, PostgreSQL, JavaScript, React/Redux, Vue.js, Redis, RabbitMQ, Docker, Git, HTML, CSS, XMLDescription:- Led and supervised a team of 3 junior developers- Performed code reviews of my teammates and provided sensible feedback- Analyzed projects specification and decomposed project to logically separated tasks and estimated cost and scope- Developed RESTful API endpoints that worked with frontend and mobile application- Developed authentication using JWT tokens- Designed database architecture- Developed authentication and made improvements on the frontend part of the applications (React/Redux, Vue.js)- Refactored the source code to provide better scalability, maintainability and code readability

Ulyanovsk Region, Russian Federation

Role: Senior Software Developer (PHP/Magento Developer)Stack: PHP 5/7, Zend Framework, MySQL, Redis, JavaScript, jQuery, Knockout.js, Prototype.js, HTML, CSS, XML, Git, Docker, Composer, RESTDescription:- Designed and developed modules for Magento 1/2 eCommerce platforms- Analyzed projects specifications and estimated cost and scope of the projects- Decomposed project specifications to smaller independent tasks- Performed migrations from Magento 1 to Magento 2 and upgrades- Developed scripts to import or export various entities from/to different formats (CSV, API, XML, XLSX)- Modified checkout process (Knockout.js scripts)- Performed code refactoring and optimization- Integrated payment and shipping methods- Integrated various 3rd party ERP systems and services- Conducted seminars (as part of personal/professional growth objectives)- Consulted project managers on technical issues

Ульяновск, Ульяновская Область, Россия

Role: Software Developer / Senior Software Developer (PHP/X-Cart Developer)Stack: PHP 4/5, MySQL, Doctrine ORM, JavaScript, jQuery, CSS, HTML, XML, Smarty, GitDescription:- Performed modifications of the X-Cart v.4.0.x-4.7.x eCommerce platform according to the projects specifications- Designed and developed modules for X-Cart 5.0.x-5.2.x eCommerce platform- Integrated various payment methods (NAB Transact Hosted Payments, Atlantic Bank Limited, Paymate Payment Gateway, Alfa-Bank, Affirm Payment Gateway, Optimal Payments, eWAY Rapid 3, TagPay Online, WorldPay FuturePay, BitPay)- Integrated various shipping methods (CanadaPost, UPS Freight: LTL)- Performed code refactoring and optimization of the legacy code- Provided support service within the warranty which included communication with the clients- Completed over 500 tasks within 7 years for over 50 different clients with different businesses