Senior PHP Developer/Performance optimization (worldwide remote, work anywhere)

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Requirements:

• 3+ years of experience with PHP.
• Strong knowledge of PHP, JavaScript, and HTML.
• Experience and understanding of optimization principles including frontend parts (cdn, ccss, http2 push, esi) and backend parts (sql, refactoring, apache, opcache).
• Strong experience in the development/debug/diagnosis of WordPress plugins and in the maintenance of WordPress itself.
• Strong experience in MySQL/MariaDB.
• Experience in Redis/Memcached.
• Experience in Apache/Nginx (LightSpeed would be a plus).
• Practice of automation testing.
• Knowledge of regular expressions.
• Power-user Linux skills.
• Intermediate level of English.
• Version control/code management (git).
• It would be great if you also have experience in Ansible, Docker, Jenkins, Vagrant.
• Experience in managing popular Content Management Systems (Joomla, Drupal, etc.).

Responsibilities:

• You will be part of the CL PRO Team focusing on the diagnostic and optimization of WordPress sites.
• Your tasks will include working with PHP X-Ray, AccelerateWP, advanced automation, deep-look performance analytics, and centralized monitoring tools.
• You will create software to optimize websites that work on WordPress.
• In addition, you will analyze and debug different plugins and develop your own plugins.