04/21/2026 updated
100 % available
Senior PHP Backend Engineer
Žalec, Slovenia
Only remote
Computer and Information Science (incomplete)About me
Senior PHP Backend Engineer (15+ years) focused on reliable, fast web apps. Built and maintained a high-load, multi-tenant platform powering 1,300+ sites and 20M+ users, optimizing TB-scale MySQL with caching/search (Memcached, Sphinx) and delivering APIs for web and mobile.
JavaScriptPHPLinuxLaravelMemcachedMySQLWordPressPHPUnitSphinxDocker
PHP Backend Development
Extensive experience in PHP backend development with 15+ years of building and maintaining high-load, multi-tenant platforms powering 1,300+ sites and 20M+ users
Database Optimization
Advanced MySQL optimization skills including TB-scale database management, performance tuning, and caching implementation with Memcached and Sphinx
API Development
Comprehensive API development and integration experience for web and mobile applications with focus on scalable architecture
DevOps and Infrastructure
Docker containerization, CI/CD pipeline implementation, Linux server administration, and VPS setup management
Frontend Technologies
JavaScript, jQuery, HTML5, CSS3, LESS, Vue.js development for full-stack solutions
Framework Expertise
Laravel framework development, WordPress customization, and Zend Framework implementation
Caching and Search Technologies
Memcached and Sphinx implementation for high-performance applications and search optimization
Version Control and Testing
Git version control, PHPUnit testing, and automated testing implementation with high test coverage
Extensive experience in PHP backend development with 15+ years of building and maintaining high-load, multi-tenant platforms powering 1,300+ sites and 20M+ users
Database Optimization
Advanced MySQL optimization skills including TB-scale database management, performance tuning, and caching implementation with Memcached and Sphinx
API Development
Comprehensive API development and integration experience for web and mobile applications with focus on scalable architecture
DevOps and Infrastructure
Docker containerization, CI/CD pipeline implementation, Linux server administration, and VPS setup management
Frontend Technologies
JavaScript, jQuery, HTML5, CSS3, LESS, Vue.js development for full-stack solutions
Framework Expertise
Laravel framework development, WordPress customization, and Zend Framework implementation
Caching and Search Technologies
Memcached and Sphinx implementation for high-performance applications and search optimization
Version Control and Testing
Git version control, PHPUnit testing, and automated testing implementation with high test coverage
Languages
EnglishFluentSlowenischNative speaker
Project history
Refactored 2 WP plugins with CSRF/XSS security improvements, migrated WooCommerce store, automated n8n Telegram bot for video transcription
Provisioned CentOS server with automated daily NAS and weekly AWS Glacier backups (4+ TB total, RPO/RTO ≤24h)
Extended multi-tenant PHP platform for 1,300+ sites and 20M+ users, reduced Firebase RAM usage by 56%, optimized DB at 3.4TB scale