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OLEKSANDR POLISHCHUK
Full-stack Developer
[open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • https://t.me/oleksandr9k
[open contact info](look above in the "contact info" section) • Lutsk, Ukraine

Summary

Software Engineer with 11 years of experience building web applications for e-commerce, media, travel, and internal
business platforms. Specializes in PHP/Laravel, RESTful APIs, system architecture, database optimization, and
third-party integrations. Experienced across both backend and frontend development, including JavaScript, Vue.js,
React, and Tailwind CSS. Focused on building reliable, maintainable software that supports business growth,
operational efficiency, and long-term product scalability.

Skills

Languages: PHP 7.3+, JavaScript, TypeScript
Frameworks: Laravel 7+, Vue.js, React, Yii 2
Frontend: HTML5, CSS3, Tailwind CSS
Databases: MySQL, PostgreSQL
Search & Caching: Elasticsearch, Redis
Infrastructure: Nginx, Docker, Linux
Development Practices: OOP, SOLID, KISS, RESTful APIs, MVC
Version Control: Git, GitFlow, GitHub, GitLab
Monitoring: Sentry
Languages

English: B2 Upper Intermediate EF SET Certificate
Ukrainian: Native
Experience

Ideil Lutsk, Ukraine
Backend / Full stack 08/2016 - 06/2026

Responsibilities:
● Developed and supported web applications across backend and frontend
● Designed and built RESTful APIs and integrated third-party services
● Optimized databases, queries, and application performance
● Maintained and further developed legacy systems
● Diagnosed and resolved production issues

Projects were implemented:
Entrepreneurship Platform (PHP 8.2, Laravel 9, Vue.js 3, React, Blade, Elasticsearch)
Platform for publishing business content, managing educational events, promoting entrepreneurs' products, and
processing online payments.
Key Contributions:
● Implemented an event space rental module, covering backend functionality, Vue.js frontend components, the
corresponding React-based admin panel functionality.
● Implemented a Single Sign-On (SSO) solution simplifying authentication across multiple applications using a
single account (OAuth2, Laravel Passport), including Vue.js frontend components and React-based admin panel.
● Integrated SendPulse for contact management.
● Migrated the platform from Laravel 9/PHP 8.2 to Laravel 11/PHP 8.4.

E-commerce Platform (PHP 8.2, Laravel 8, Vue.js 2, Blade, Elasticsearch, SOAP)
Online store selling power tools and garden equipment with online payments, delivery integrations, and inventory
synchronization.
Key Contributions:
● Rebuilt the platform from scratch on Laravel, replacing a custom framework, and modernized the frontend with
Vue.js while preserving existing business logic and third-party integrations.
● Developed the Vue.js admin panel using Element UI.
● Migrated existing data to the new platform and switched the production site to the new version after testing.
● Integrated multiple payment providers and improved SOAP-based synchronization with 1C for orders, product
prices, and stock availability.
● Implemented Elasticsearch-based catalog filtering for faster and more accurate search.

Business Media Platform (PHP 8.3, Laravel 11, React, TypeScript, Tiptap, Elasticsearch, OpenAI, Gemini)
Multilingual media platform for publishing business news, podcasts, and editorial content
Key Contributions:
● Built the platform from scratch.
● Developed the React-based admin panel and a flexible content management system with custom Tiptap editor
blocks.
● Integrated AI-powered SEO metadata generation using OpenAI and Gemini.

Achievements:
● Rebuilt the e-commerce platform from scratch in Laravel, replacing a custom framework while preserving
business logic and integrations, and migrated the production data to the new platform.
● Implemented OAuth2-based SSO, enabling users to access multiple applications with a single account and
simplifying integration of new services.
● Integrated AI-based tools to automate and simplify parts of the content workflow for editors.

Rapid Devels Lutsk, Ukraine
Backend Developer 09/2014 - 07/2016

Responsibilities:
● Designed and developed databases using PostgreSQL and MySQL.
● Implemented business logic using PHP.
● Developed client-side functionality with JavaScript and jQuery.
● Performed UI enhancements and minor layout updates using HTML and CSS.
● Supported, maintained, and enhanced existing web applications.

Education

Lutsk National Technical University Lutsk, Ukraine
Computers systems and networks 2010 - 2013

Lutsk, Ukraine
Technical College LNTU 2006 - 2010
Computers systems and networks