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Denys Milko

• Apr 22

🌍 Camino Barcelona — Multi-Domain Platform for a Spanish Language School 📌 Project Overview

Camino Barcelona is one of the largest Spanish language schools in Barcelona, offering courses, accommodation, and cultural programs for international students. The platform supports a wide range of services including course booking, housing, events, and student onboarding.

The main goal was to modernize an outdated legacy system (PHP 5.3) and transform it into a scalable, maintainable, and multi-domain platform capable of supporting global traffic and multiple languages.

⚙️ What Was Done

🧱 Platform Migration & Architecture

Fully migrated the project from legacy PHP 5.3 to modern Yii2 framework

Built a unified codebase supporting 8 domains/languages (EN, ES, DE, FR, RU, IT, SE, CN)

Implemented Git-based workflow for version control and team collaboration Designed scalable architecture for future domain expansion

🧩 Complex Functional Modules

The platform includes multiple interconnected systems:

Course booking system

- Multiple course types (intensive, long-term, DELE, etc.) - Dynamic pricing and scheduling

Accommodation booking

- Student apartments and host family options - Integration with course dates and availability

Spanish level testing system

- Placement tests for students before enrollment

Events & activities booking

- Daily cultural activities and student engagement system

Lead generation & pricing forms

- Multi-step forms for calculating course + accommodation cost

🌐 Multi-Domain & Localization System

- Implemented domain-based localization (separate domains per language) - Shared core logic with localized content and SEO structure - Ensured consistency across all regions while allowing flexible content management

🧑‍💻 Frontend & UX Improvements

- Refactored large number of pages and templates - Improved navigation across complex content structure - Optimized user flows for booking and lead generation

🚀 Key Features

- Multi-domain architecture (8 domains, 1 codebase) - Complex booking flows (courses + accommodation + activities) - Dynamic pricing system - Integrated student journey (from test → booking → stay) - Scalable architecture for international expansion - SEO-friendly structure across all domains

📈 Result

- Successfully migrated legacy system to a modern, maintainable stack - Improved performance, scalability, and developer experience - Enabled seamless management of multiple international domains - Enhanced user experience across complex booking flows - Built a strong foundation for global growth and marketing:

Completed work