Things I frequently work on:

Language        : C, C++, Shell, JavaScript, ES6+, TypeScript, NodeJS.
Framework       : Angular 1/2/4+.
Version         : Github, Bitbucket.
Testing         : Karma, Mocha, Chai.
Frontend        : HTML5, CSS3, Bootstrap 4, Material Design.
Databases       : MySQL, Postgres, MongoDB.
Server          : AWS, GCP, Dockers, Kubernetes.
Other           : Redis, RabbitMQ, Electron.