Yan Kursish
Senior Full-Stack PHP/Python Developer
AI Automation Engineer

Dnipro, Ukraine | Remote / Worldwide

Professional Summary

Senior Full-Stack Developer with 9+ years of commercial experience building high-load web systems, e-commerce platforms, AI automation solutions, and complex backend integrations.

Specialized in Laravel, PHP, Python, WordPress, Bitrix, and custom enterprise-level solutions. Strong expertise in legacy systems modernization, performance optimization, large product catalogs, REST API development, AI/LLM integrations, business process automation, and Linux server infrastructure.

Worked on e-commerce platforms, CRM/ERP integrations, analytics systems, user dashboards, highload filtering systems, AI bots, SaaS products, and custom business automation solutions.

Core Expertise:
• Laravel / PHP Architecture
• Python Automation & AI Systems
• WordPress / Bitrix / OpenCart (other CMS)
• API Integrations & Payment Systems
• SQL Optimization & Highload Systems
• Linux / Nginx / PHP-FPM
• AI Agents / OpenAI API / Telegram Bots

Technical Skills

• Backend: PHP 7/8+, Laravel (including Laravel 12), Yii2, CodeIgniter, Python, Django, REST API, MVC architecture, custom CMS

• Frontend: HTML5, CSS3, JavaScript ES6+, AJAX, jQuery, Vue.js, Bootstrap, Chart.js

• Databases: MySQL, MariaDB, PostgreSQL, SQLite, SphinxQL, SQL optimization, indexing, transactions

• AI / Automation: OpenAI API, AI Agents, AI Bots, Telegram automation, LLM integrations, analytics systems, workflow automation

• DevOps: Linux, Nginx, Apache, PHP-FPM, SSH, Git, Cron, SFTP, server deployment, performance optimization

• CMS / E-commerce: WordPress, 1C Bitrix, OpenCart, MODX, Joomla, PrestaShop, WooCommerce

• Integrations: Google API, Google Sheets API, Merchant API, PayPal, WayForPay, LiqPay, Monobank, Redsys, Webflow API

Achievements & Strengths

• 400+ completed web projects

• Strong experience with legacy enterprise systems

• Optimization of complex SQL queries and highload filtering systems

• AI automation and LLM integrations for business

• API development and third-party service integrations

• Extensive experience in e-commerce and marketplace projects

• Analytics systems and statistics dashboards development

• Experience with VPS/Linux infrastructure

Languages

Ukrainian — Fluent
Russian — Fluent
English — Intermediate (technical documentation, APIs, developer communication)

Portfolio

• https://www.cysend.com/

• https://motoprox.ua/

• https://mtp-global.com/

• https://greenmeal.es/

• https://leforta.com/

• https://lifebalance.com.ua/

• https://lokon.com.ua/

• https://beautycode.com.ua/

• https://intehnika.com.ua/

• https://zveselo.com.ua/