1. Git - 6 12. Active Directory - 6 23. SQL - 5 34. Angular - 5 45. Java - 5 56. Novell - 4 67. Linux - 4 78. Python - 4 89. Redis - 4 910. Android - 4 1011. Hyper-V - 4 1112. Jenkins - 4 1213. MS Exchange - 4 1314. MySQL - 4 1415. ReactJS - 4 1516. MCSE - 4 1617. Scala - 4 1718. SharePoint - 4 1819. JavaScript - 3 1920. Consul - 3 2021. Django - 3 2122. TDD - 3 2223. Drupal - 3 2324. Kubernetes - 3 2425. PHP - 3 2526. Haskell - 3 2627. Google Cloud Platform - 3 2728. Memcached - 3 2829. HTML - 3 2930. Scrum - 3 3031. Trello - 3 3132. Ruby - 3 3233. SaaS - 3 3334. C# - 3 3435. iOS - 3 3536. Ansible - 3 3637. Kafka - 3 3738. Clojure - 3 3839. Terraform - 3 3940. Node.js - 3 4041. CSS - 3 4142. Go - 2 4243. JIRA - 2 4344. Perl - 2 4445. VPN - 2 4546. ZABBIX - 2 4647. O365 - 2 4748. Mac OS - 2 4849. Bitbucket - 2 4950. ITIL - 2 50