Олександр

Oleksandr Halich-Molodozhon
Magento 2 Backend Developer
📍 Poltava, Ukraine | 🌐 Remote | [відкрити контакти](див. вище в блоці «контактна інформація») | Linkedin
Summary
Experienced Magento 2 Backend Developer / Technical Lead with over 9 years of experience in
eCommerce development and system architecture.
Strong expertise in Magento 2, PHP 7/8, MySQL, Elasticsearch, and ERP integrations.
Skilled in performance optimization, upgrade projects, and complex system integrations for B2B and B2C
solutions.
Certified Magento Developer focusing on backend scalability, API design, and modular architecture.
Certificates
Magento 2 Professional Developer - 2019
Magento 1 Certified Developer - 2016
Technical Skills
Backend: PHP 7/8, Magento 2, MySQL, REST API, Redis, MariaDB, Elasticsearch, Varnish, RabbitMQ,
SOLR, PHPUnit​
Frontend: jQuery, Ajax, RequireJS, Knockout.js, Magento UI Components, Vue.js
Tools & DevOps: PhpStorm, Git, BitBucket, GitLab, Composer, Nginx, Magento Cloud, Azure, Docker,
xDebug, PhpStan, Postman, Magento Upgrade Compatibility Tool, Data Migration Tool​
Service Management: Jira, ClickUp, TeamWork
Search: Elasticsearch, SOLR
Testing: Magento Functional Testing Framework (MFTF), PHPUnit, Cypress
Workflow: Scrum, Kanban​
Platforms: Ubuntu, WSL (Windows Subsystem for Linux)
Soft Skills​
Team leadership / Analytical thinking / Task estimation / Responsibility / Problem-solving /
Cross-functional collaboration / Adaptability
Education
Master’s Degree, Information Control Systems and Technologies
Kharkiv National University of Radioelectronics

Languages​
Ukrainian - Native | English - Intermediate | Russian - Native
 Projects/Experience:

Dougrussell Boat parts store with more than 100,000 parts and over 1,000 products

Responsibilities: Worked on:
- Backend development; - Performed a full Magento upgrade with compatibility analysis and
- Estimating tasks; refactoring;
- Bug fixing; - Fixed custom extensions and theme adjustments after upgrade;
- Delivered technical documentation and version upgrade reports;
​
Tools & Technologies: Magento 2.4.1->2.4.7-p7, PHP 7.4/8.3,
Elasticsearch, Nginx

IB Laursen Home & garden décor brand

Responsibilities: Worked on:
- Backend development; - Performed a full Magento upgrade with compatibility analysis and
- Estimating tasks; refactoring;
- Bug fixing; - Integrated Relewise for personalized recommendations;
- Developed backend logic for data tracking and rendering recommendation
blocks;

Tools & Technologies: Magento 2.4.6-p5 -> 2.4.7-p7, PHP 8.2/8.3,
Elasticsearch, Nginx

NDA Luxury fashion eCommerce (EU/US)

Responsibilities: Worked on:
- Backend development; - Integrated Salesforce Chat, GTM, Booxi, and OMS systems;
- Estimating tasks; - Implemented purchase/return synchronization via OMS APIs;
- Performance optimization; - Wrote PHPUnit and API Functional tests for backend modules;
- Preparing project
documentation; Tools & Technologies: Magento 2.3.7-p2 -> 2.4.4-p2, PHP 7.3/8.1,
- Bug fixing; Elasticsearch, Nginx, RabbitMQ

Usgoldbureau American precious metals dealer
(https://www.usgoldbureau.com/)

Responsibilities: Worked on:
- Backend development; - Estimate and prepare upgrade assessment documentation;
- Estimating tasks; - Optimized ERP synchronization with RabbitMQ queues;
- Performance optimization; ​
- Preparing project Tools & Technologies: Magento 2.4.3-p1 -> 2.4.4-p1, PHP 7.4/8.1, Magento
documentation; Cloud, Elasticsearch, Nginx, RabbitMQ

Wood-Mizer US Equipment for sawmillers and woodworkers across the
globe.

Responsibilities: Worked on:
- Backend development; - Estimate and prepare upgrade assessment documentation;
- Estimating tasks; - Managed complex upgrade and migration of WebForms module;
- Preparing project - Cleaned and refactored outdated patches and scripts;
documentation;
Tools & Technologies: Magento 2.4.3-p1 -> 2.4.4-p1, PHP 7.4/8.1, Magento
Cloud, Elasticsearch, Nginx
Train world American b2c store with train models

Responsibilities: Worked on:
- Backend development; - Estimate and prepare upgrade assessment documentation;
- Estimating tasks; - Managed complex upgrade;
- Preparing project
documentation; Tools & Technologies: Magento 2.4.2-p2 -> 2.4.4-p1, PHP 7.4/8.1,
Elasticsearch, Nginx

One Circle Foundation A train, consult, and equipment service providers platform in the United
States

Responsibilities: Worked on:
- Backend development; - Implemented logic for creating, renewing, and reminding membership
- Estimating tasks; subscriptions with Authorize.net payment;
- Include personal information in the Magento account section, email
notifications, Authorize.net API, CRON notifications, admin grid with actions
to manage, and logic for creating orders with information about the
subscription;
​
Tools & Technologies: Magento 2.4.3, PHP 7.4, Elasticsearch, Nginx

Heilind Electronics International electronics distributor

Responsibilities: Worked on:
- Backend development; - Refactored customer data storage and retrieval logic from DAC services to
- Performance optimization; ensure proper functionality with Varnish cache enabled;
- Estimating tasks; - Implemented AJAX-based retrieval of ERP product data on product detail
- Preparing project pages (PDP);
documentation; - Conducted extensive code refactoring and optimization;
- Bug fixing; - Created dedicated controllers for rendering various forms via distinct URLs
using the WebForms extension;
- Added custom variables and implemented dynamic rendering logic in
WebForms-based contact forms;
- Integrated ERP search results into a custom search results page using a
placeholder product approach;
- Customized Wyomind_Elasticsearch module for compatibility with
VueJS-powered search results;
- Developed foundational API services to support a custom VueJS-based
checkout;
- Performed post-upgrade refactoring during migration from Magento 2.2 to
2.4;
- Customized Elasticsearch queries to leverage the simple_query_string
syntax for improved search flexibility;

Tools & technologies: Magento 2.4.2(2.1.9), PHP 7.3, Elasticsearch,
Varnish, Redis

Hanger Stores Medical accessories and B2B sales

Responsibilities: Worked on:
- Backend development; - Migrated commerce-to-commerce stores (M1 → M2);
- Estimating tasks; - Integrated PunchOut2Go, CyberSource, and Trend APIs;
- Assisting the team on - Developed data migration scripts for orders and invoices;
challenging tasks;
- Bug fixing; Tools & Technologies: Magento 2.3.5/2.4.2, PHP 7.2/7.3, Elasticsearch,
- Writing technical specifications; Varnish, Redis
Weapon store Project for weapon store

Responsibilities: Worked on:
- Backend development; - Data Migration from Magento 1.9.3.9 to Magento 2.3.3 using the Magento
- Bug fixing; data migration tool;
- Data Migration from WebPos for Magento 1 to WebPos for Magento 2;
- Adding custom registration with extended information fields
​
Tools&Technologies: Magento 2.3.3, PHP 7.1, Elasticsearch, Varnish

NDA 'All in one' store

Responsibilities: Worked on:
- Backend development; - Menu customization;
- Bug fixing; - Amasty Brand module customization;
- Fixing bugs in the Clerk extension;
- Optimization of Svea checkout;
- Adding local store addresses as part of the shipping address;

Tools&Technologies: Magento 2.2.7, PHP 7.1

Printing house A store with cards and photos printed

Responsibilities: Worked on:
- Technical architecture; - Integration with the Perso App for managing cards and photos;
- Backend development; - Integration with ClickAdmin;
- Data migration; - Developing an Ajax-based wishlist;
- Extending the customer dashboard with logic for adding and saving
customer event dates of the family members, like birthdays, weddings, etc.;
- Customization of a successful page by adding dynamic content;
- Developing a widget for rendering products in the tabs by categories;
- Extending subscription logic with different types of subscriptions;
- Fixes and customization in the Amasty modules;
- Customization of checkout and basket;
- HiPay extension fixes;

Tools&Technologies: Magento 2.2.7, PHP 7.1

NDA Clothes store

Responsibilities: Worked on:
- Backend development; - Integration with Front Systems API for getting and applying coupon codes;
- Bug fixing; - Fixing Klarna payment bugs related to applying a discount;
- Developing a feature for getting content for the maintenance page from the
CMS page;
- Developing a buy-in one-click feature;
​
Tools&Technologies: Magento 2.2.4, PHP 5.6, Algolia Search

Watch store

Responsibilities: Worked on:
- Backend development; - Catalog and product page customization;
- Code review; - Price builder customization;
- Bug fixing; - Fixing issues with the indexer ;
- Optimization of the custom product import that interacts with Magmi;

Tools&Technologies: Magento 2.2.4, PHP 5 . 6
Electrical goods store Store household and kitchen appliances

Responsibilities: Worked on:
- Technical architecture; - Data Migration from CSV and partially getting data from the frontend;
- Backend development; - Integration with product adviser;
- Data migration; - Customizing the products page and adding logic to build related products
- Code review; dynamically based on attributes;
- Bug fixing;
Tools&Technologies: Magento 2.1.6, PHP 5 . 6

Industrial air conditioners store

Responsibilities: Worked on:
- Backend development; - Installing update patches;
- Bug fixing; - Customization of shipping methods and templates;
- Developing custom shipping methods;

Tools&Technologies: Magento 1.9.x, PHP 5.6

Mattresses store
(http://perfekt-schlafen.de/ )

Responsibilities: Worked on:
- Backend development; - Performance improvement;
- Bug fixing; - Customizing and extending the import process that interacts with Magmi;
- Integrating the marketing system that tracks customer interactions with
products;
- Configuration Solr;

Tools&Technologies: Magento 1.9.x, PHP 5.6

Furniture Rent furniture and dishes
(http://www.thorns.co.uk/ )

Responsibilities: Worked on:
- Backend development; - Data Migration from Magento 1. 7 .x to Magento 1.9.x, developing scripts for
- Bug fixing; data migration
- Fixing and migrating extensions and customization of the theme
- Developing a calendar for rental products​

Tools&Technologies: Magento 1.9.x, PHP 5.6