Application speed and scalability are critical for user satisfaction and SEO ranking. I specialize in performance optimization for PHP, Laravel, and Symfony applications by reducing database bottlenecks, implementing advanced caching strategies (Redis, Memcached, Varnish), optimizing queries, and configuring load balancing & CDN. I also optimize frontend performance with lazy loading, minification, and React performance improvements. The result is a highly responsive application capable of handling thousands of concurrent users without downtime.