* PHP 8+, Laravel, REST API, Webhooks, WebSocket
* Go, JavaScript, TypeScript, React, SvelteKit
* HTML5, CSS3, Sass/SCSS, Responsive / Mobile First
* MySQL, Redis, RabbitMQ, Horizon
* Docker, Linux, Nginx, Ansible
* Git, GitHub Actions, CI/CD
* Python, Node.js
* PWA, Telegram, MAX, WhatsApp
* API-интеграции, платёжные системы
* Highload, Rate Limiting, Retry, Idempotency
* Архитектура приложений и баз данных