python3: flask, telebot, bottle, django, twisted php5: laravel, slim, phalcon(2 and 3) js: small knowleges in nodejs (backend) backbone, underscore, jquery. db: postgresql, mysql, mongodb, sqlite (can work with all databases) redis, rabbitMQ, memcached. restapi, soap UNIX: docker, docker-compose, teamcity, jenkins. (now i,m working with archlinux) See in my github.io