Dymytrii Zmarko

SUMMARY

I am a PHP Software Engineer with experience in Web development in plenty of business applications. Currently, I am playing a Key-developer\Tech lead role in a financial project.

I have experience with PHP frameworks like Laravel, Symfony and CodeIgniter including front-end development.

I have participated in phases like planning, designing, development, testing, post-release support, and maintenance.

Analysis of requirements and specifications, creating technical documentation, development, and optimization of system performance are my usual tasks.           

I'm passionate about developing high-quality software and exploring new technologies.

WORK EXPERIENCE

Jun-2021 - Till now - Senior Software Engineer, EPAM Systems, http://www.epam.com
Customer: Software & Hi-Tech
Project: Support and refactoring for quality improvement of an existing WideOrbit PHP application. Team Size: 6 Developers and 3 QA
Project Role: Software Development Tech Lead, Key Developer
Tasks performed:

• Improved integration with Payment Processor "Basys IQ". Prepared migration to new handler version. Redesigned callback handler logic to make it asynchronous using RabbitMQ.                        
• Added support for new types of recurring payments.                        
• Developed the ability to export payment information in different formats for different network resources.               
• Added ability to track and audit financial stats to handle any kind of discrepancies from the application interface and download detailed reports.                        
• Continuous Integration with other products of the Client(WO Platform and WO Traffic).   
• Providing performance optimization.                        
• Writing technical documentation.                        
• Providing continuous code reviews and mentoring for team members.                        
• Refactoring of legacy code.                        
• Migration to the new versions of frameworks and packages

Environment:                                     

• - MySQL/MariaDB - CloudSQL(SkySQL) - Redis
• - JetBrains TeamCity - JetBrains PhpStorm - MySQL Workbench - Octopus - Docker - Postman -  XDebug                   
• - Apache 2.4 - PHP 7.4 - MySQL 5.7/MariaDB 10.4 - RabbitMQ - Redis - Symfony 5.3 - Twig - SwiftMailer - Propel ORM - Doctrine ORM - JavaScript/TypeScript - jQuery/jQuery UI - Kendo UI - Webpack        

Jul-2019 - Jun-2021 - Software Engineer, EPAM Systems, http://www.epam.com
Customer: Software & Hi-Tech
Project: Support and refactoring for quality improvement of an existing WideOrbit PHP application. Team Size: Dev Teams 6 members, QA teams 3 members
Project Role: Developer
Tasks performed:

• Providing new functionality.                        
• Rewriting a big piece of legacy JavaScript code using TypeScript.                        
•  Added functionality for bulk import Users from different types of files and following validation.                        
•  Added a new configuration area for scheduled export jobs.                        
•  Developed from scratch the logic to process anonymous payments through the shortCode link.                        
•  Created scheduled tasks for old notification and their reference clean-up.                        
•  Fixing old bugs and UX\UI improvement.                        
•  Providing Unit Testing using PHPUnit Framework.                           

  
  

Mar-2018 - Jun-2019 - PHP developer(Laravel),  ANVI Agency
Customer: Bratislav Melandovich
Project: Laravel app for plastic surgery service
Team Size: Dev Team: 2 members(2 back end developers) QA team: 1 member Project Role: Back End Developer

Tasks performed:

• Developed new features for clients(making a doctor`s appointment).                        
• Integration with Facebook\Instagram\Twitter API.                        
• Added ability to log in using OAuth2.                        
• Rewriting and optimization legacy code.                        
• Added admin area for managing site layout    

• Added role permission system for clients.                        
• Fixed old bugs.                          

Aug-2017 - Feb-2018 - Back End Developer, KlugSoft Customer: Marco Mursteiner                  

Project: The OnlineControll Application. Media platform which collects and saves media content from social media.               

Team Size: Dev team: 3 members (1-back end, 1 front end, 1 QA) Project Role: Developer
Tasks performed:

• Developed clients for Social Media platforms API’s (Facebook, Instagram, Twitter, Vimeo, YouTube).                        
• Created both Admin and regular user interfaces.                        
• Integration of payment processors such as PayPal and Stripe.                        
• Fixed bugs related to the back end and front end.

EDUCATION

Name of the Education Establishment: Ukrainian National Forestry University Faculty/College: Computer Science
Degree (diploma): Bachelor
Specialty: Software Developing