- performance optimization (to hit 90%+ rate with google speed tool);
- site refactoring and laravel upgrade to version 5.3 (includes major refactorings like moving data access layer to repositories, proxying repositories to allow caching, adding of caching (on db requests, views) with redis, adding tasks async processing (e.g. sending emails on new order, registration),. etc.);
Used technologies: php, mysql, laravel (versions 4.2 and 5.3-5.5), eloquent, redis.