Hi,
my name is Alex
I work at hosting company, I have an experience to work with WP sites, have usual job to work with clients sites. I have an experience with ExtJS framework also.
I have an experience in administration different servers stacks, databases, Dockers etc.
Also I work with server configuration and optimization sites while big loads on them.
I have experience to work with different node layers as balancers(Apache, Nginx, Varnish, Haproxy), compute nodes(Apache and Nginx with php language, Tomcat, Tomee, Glassfish based on Java lang, Apache and Nginx based on ruby language, NodeJS), SQL databases(mysql, mariadb), NoSQl databases (mongodb, coachDB), cache node(redis, memcached). Also I have experience to package and work with Docker containers.
I sure that work will be done with good quality
Regards