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Rounin

I am a front-end digital developer. I design and develop web-apps and websites. I have 22 years experience of working with markup, styling, scripting, data storage/retrieval and developing apps using an array of client-side and server-side technologies:

  • HTML5
  • CSS3
  • ES2015+ (JS)
  • PWA - Progressive Web App technologies (Webmanifest & Service Worker)
  • IndexedDB
  • PHP5 and some PHP7 (Server Side Development)
  • JSON
  • SVG
  • ES5 (JS)
  • Regular Expressions
  • .htaccess (Server Configuration)
  • Some jQuery (rarely used)

I'm now learning the Vue.js framework and NativeScript. This year I plan to start learning Node.js.


Markup and Development

HTML5: I am familiar with working with a large number of HTML5 APIs, not least:

  • Web Storage (localStorage & sessionStorage)
  • IndexedDB
  • Fetch (next generation xmlHttpRequest)
  • Touch Events
  • GeoLocation
  • Web Workers (for multi-threaded development)
  • Media API (Video & Audio)
  • Page Visibility
  • File System

I have 22 years experience writing W3C Standards Compliant, cross-platform compatible markup (HTML5, xHTML 1.0, HTML 4.01 and HTML 3.2).


Styling

CSS3: I am familiar with working with a large number of CSS3 Modules, not least:

  • CSS Custom Variables
  • CSS Grid
  • CSS Flexbox
  • CSS Typed Object Model
  • CSS Animations & Transitions
  • CSS Transforms
  • CSS Filters
  • CSS Masking and Clipping
  • CSS Pseudo-Classes & Pseudo-Elements
  • CSS Counters
  • CSS Fonts
  • CSS Columns
  • Media Queries

I have 16 years experience writing CSS Stylesheets and presenting cross-device compatible web pages using Responsive Web Design, Adaptive Web Design, RESS etc.


Scripting and more (Server Side and Client Side)

Javascript: I have 6 years experience in writing ES5 and 2 years experience in writing ES2015+.

JSON: I can quickly and competently write and edit valid JSON and manipulate in both Javascript and PHP. In 2019, I wrote a single-page Javascript app presenting a user-interface for quickly creating valid JSON strings of any length and complexity.

PHP5 and .htaccess: I have 6 years experience in server-side scripting using PHP and server configuration using .htaccess (mod_rewrite, setting HTTP headers etc.) .

Ajax and Fetch API: I am adept in using Ajax to asynchronously access server side scripts from the client side. I am increasing my competency in using the Fetch API (the ES2015 next generation alternative to Ajax / xmlHttpRequest).

Regular Expressions: I frequently use Regex in javascript, PHP & .htaccess.

Website Maintenance: I am familiar with robots.txt and XML Sitemaps. In 2014 I wrote a PHP app which auto-generates XML Sitemaps.

jQuery: When I need to do so, I can quickly and competently translate backwards and forwards between jQuery and Javascript.

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