Sebastian Hädrich

Full-stack web developer

Languages
- Desktop
  - Lua (basic knowledge)
  - Python (basic knowledge)
- Server-side
  - Ruby
    - middleman/Ruby on Rails (through middleman)
  - PHP
    - Laravel
    - Symphony (basic knowledge)
  - ColdFusion (Web-Framework based on Java using tag-based syntax; fluent)
- Client-side: DHTML
  - HTML 5
  - CSS 3
    - Sass
    - Less
    - SCSS
  - JavaScript
    - ReactJS (advanced knowledge)
    - NativeScript (basic knowledge)
    - Ajax (obviously the knowledge you can have of it)
    - jQuery (fluent)
    - nodeJS (basic knowledge)
    - ESNext (fluent)
    - TypeScript (advanced knowledge)
    - Backbone (MVC, fluent)
    - VueJS (fluent)
- Databases
  - Relational
    - MS SQL
    - mySQL/mariaDB
  - noSQL
    - mongo DB
    - IndexedDB
  - Graph: neo4j
- YAML
- Markdown
Version control system
- git
  - gitlab
  - github
  - bitbucket
Operating systems
- Linux
  - Manjaro (arch-linux build; current)
  - Ubuntu
- macOS
- Windows
Package management
- nodeJS-based
  - Grunt
  - Gulp
  - Yarn
- PHP-based
  - Composer
Software development
- Programming paradigm
  - Procedural
  - Object oriented
- Test driven development
  - Unit tests
  - Feature tests
- semver
- KISS
- separation of concerns
- SOLID
Knowledge of the industry
- Aviation
Miscellaneous
- Responsive Webdesign
- APIs
  - RESTful services
  - Remote procedure calls
- Authorization Flow/Identity management
  - OpenID
- Content Management Systems