Job responsibilities:

• Development of server side for modern web applications by PHP
• Write and support robust and clean PHP code
• Use modern PHP frameworks (Symphony, Doctrine) to create effective and flexible functionality
• Make server side architecture of complex system from database schema to data cache layer and load balancing 
• Work close with frontend developers to create modern client-server applications
• Work with business to refine business requirements

Job Requirements:

• Over 5 years of development experience with PHP stack
• Deep knowledge of PHP language and standards
• Good knowledges of OOP concept and principles
• Deep knowledge in one of PHP frameworks (symfony, laravel)
• Knowledge of modern ORM framework such as Doctrine
• Experience in create complex distributed backend architecture with asynchronous operation execution and out process data caches by using modern key value storages such as Redis, Memcahced, etc and modern messages queue services such as Rabbit MQ, etc
• Experience with PHP  dependency management (use composer etc)
• Knowledge of computer science theory (algorithms, data structures, finite state machines, multithreaded programming, etc.)
• Knowledge of database theory, SQL, and experience with PostgreSQL or Mysql
• Deep understanding of php-fpm architecture and request management flow.
• Deep understanding of load balancing in PHP backend
• Knowledge of nginx web server
• Experience in performance profiling and performance optimization of PHP applications
• Knowledge of Linux OS. Be able to understand resource utilization (CPU, Memory, IO) which is produced by the PHP process.