W3C Web Developers

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Meet our Developers

Arthur Oswin

United States

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Senior full-stack Developer specializing in back-end and front end development with 12+ years experience. Experienced with all stages of the development cycle for RIA (web) projects. Well-versed in Java, C/C++, PHP for back-end and Android / ActionScript / Flex / for front-end. Background in Spring and Hibernate frameworks. Skills: Fluent in Java, including Spring / Hibernate experience C/C++ experience in science calculations (STL, Boost) PHP experience (Kohana, Cakephp, Joomla) Linux OS administrating (web, post, VCS, DB services) Flash/Flex/ActionScript expert, including AIR and mobile applications Rich Android application development experience Strong OOP, Design Pattern, algorithms implementation skills

  • JavaScript
  • ANGULAR 2
  • Node js
  • PHP
  • Java
  • Python
  • Hourly Rate$35 / Hr
  • Total Earned$9040
  • Experience12 Years

Hi! I am Maria. I am a Full Stack Developer with 8 yrs of experience. Throughout my career I have built numerous projects which exceed client’s expectation in terms of project timeline and code quality. I have the ability to bring life to any project and can offer insights that can only come with many years of experience. My primary goal is always to deliver a quality product to my client. These are the skills that I master: CMS: Shopify, Wix, Squarespace, Webflow Frameworks: Angular. js ,React, Node.js, Vue. js, Gatsby. js, Ember. js, Ruby on Rails, Django HTML/CSS/ SASS PHP UX/UI Figma, Illustrator, Photoshop, Adobe XD SQL, MySQL, MongoDB Python Java JavaScript Git

  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Foundation
  • UI / UX
  • React js
  • React Native
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Codeigniter
  • SEO
  • C#
  • Java
  • Python
  • Ruby
  • Jade
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Squarespace
  • Webflow
  • Hourly Rate$25 / Hr
  • Total Earned$20385
  • Experience8 Years

Sem Jansen

Netherlands

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HI!I am a Full Stack Web Developer with 9+ years of experience. My skill sets include: ⚡ HTML5 / CSS3 / SASS, LESS, Responsive/Retina-optimized coding, BEM methodology ⚡ PHP / OOP / Laravel, Lumen/ CI / Yii2 / Symfony ⚡ MySQL / MongoDB / SQLite3 / PostgreSQL ⚡ JavaScript / ES5, ES6 / Typescript / jQuery ⚡ NodeJS / VueJS / Vuex / Nuxt / ReactJS / Redux / ReactNative ⚡ Python / Django / Flask / Puppeteer / Selenium / Keras / Tensorflow / PyTorch ⚡ WordPress / WooCommerce / RealEstate / Multisite ⚡ Magento / Shopify / Prismic Headless CMS ⚡ Elastic Cloud / Elastic Search ⚡ Blockchain / CryptoCurrencies / Payment Gateways Creating ⚡ Stripe / PayPal / Custom Payment Methods ⚡ Git / BitBucket / Github / GitLab ⚡ UnitTests / TDD / BDD ⚡ Jira / Trello / Asana / Monday ⚡ AWS / Azure / DigitalOcean / IHC / GoDaddy ⚡ Apache / Nginx / Kubernetes / Docker I will collaborate with you to create a beautiful website that is easy to build, maintain, and monitor using state-of-the-art tools. Let's discuss it and get started!

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Codeigniter
  • Object-oriented Programming (OOP)
  • SEO
  • SVG
  • C++
  • C#
  • Java
  • Python
  • Ruby
  • Jade
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Game Developer
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • Mendix Developer
  • QA
  • Data science
  • Flutter
  • DotNET
  • Blockchain
  • XHTML
  • Vue.js
  • IoT
  • Augmented
  • GraphQL
  • Hadoop
  • Yii
  • Mern
  • VR
  • Software QA
  • Digital marketing
  • MATLAB
  • Powershell
  • Assembly
  • MQL4
  • Desktop
  • W3E
  • Delphi
  • PineScript
  • Metatrader
  • Binance
  • AutoHotkey
  • DAT
  • Icon
  • UAT
  • Data
  • Typography
  • Business card
  • Simplicity
  • Rchain
  • Vyper
  • Rholang
  • Erlang
  • CoffeeScript
  • Microsoft Access
  • CRO
  • Lisp
  • Shell
  • SAS
  • Code
  • Haskell
  • MODX
  • Perl
  • GO
  • Scala
  • Microsoft power BI
  • Network
  • Squarespace
  • Volusion
  • Big Cartel
  • Shopware
  • Ecwid
  • Webflow
  • Project management
  • Swift
  • Flutter Dart
  • Apache groovy
  • Clojure
  • Julia
  • Crystal
  • R
  • Fortran
  • COBOL
  • Elixir
  • Mongodb
  • PostgreSQL
  • OCaml
  • SQLite
  • Apache Cassandra
  • Elasticsearch
  • Firebase
  • Bash
  • Firestore
  • DynamoDB
  • VBA
  • Redis
  • MariaDB
  • Phoenix
  • Gatsby
  • Blazor
  • FastApi
  • Svelte
  • Next.js
  • Google-cloud
  • Pandas
  • Flask
  • Nuxt.js
  • Django
  • SEO-audit
  • Stripe
  • Hourly Rate$28 / Hr
  • Total Earned$0
  • Experience9 Years

I am a self-employed, self-motivated, and self-taught develоper who is passionate about full stack web development and figuring out solutions to improve usability and functionality of websites and systems. I am also easy Boing and enjoy collaborating with team members to get projects done in а timely manner.

  • HTML5
  • Hourly Rate$50 / Hr
  • Total Earned$14448
  • Experience9 Years

Hi, I a full Stack developer from London. I create Mobile apps and I love working with REact, Ruby, OO PHP (WordPress, Drupal, anything PHP), Javascript (jQuery, AngularJS, vanilla JS), HTML (HTML3,5, HAML), CSS (CSS2/3, Foundation, Bootsrap, SMACSS, Compass SASS). My projects were driven by PHP and MySQL on server, and Javascript on client. By years I also work with different skills, with different frameworks, which allow to make development faster. For example Zend Framework, Symfony and Yii for PHP. Jquery and Angular for Javascript. Also I tried to use some NoSQL technologies in replacement for MySQL. Of course I'm good in HTML and CSS. I am an experienced web programmer having various skills in web development field . Below, find the skills that I am most confident in. - PHP, HTML5, CSS3, SASS, - JavaScript: Node.js, Angular.js, React.js - Objective - C (iOS), Java (Android) - Ajax, JQuery - CMS: WordPress, OpenCart, Magento, PrestaShop, Shopify, Drupal, Joomla - Responsive Web Development, BootStrap, OOP concepts - Photoshop, Illustrator, Corel Draw For especially WordPress side I have a strong experience for: -Creating plugins -Creating Responsive themes -PSD to WordPress theme -WooCommerce for ecommerce projects

  • HTML5
  • CSS3
  • ANGULAR 2
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Hourly Rate$35 / Hr
  • Total Earned$7160
  • Experience7 Years

Hello!! I am a full stack developer with 6+ years' experience. I am proficient with using languages for both back-end(PHP, Laravel) and front-end(HTML, CSS, Bootstrap, JS, jQuery),Wordpress, W Mobile Programming Languages, Full Stack Development, WordPress new features development, Bubble.io, Java Script Core Javascript, React, Redux/Context, Mobile App Development, Web Design, Graphic Design and Web Design. I will create a full stack NodeJS/AngularJS web application, well structured, written with all standards and best practices. I can create web pages for you using Node.js /Express language, an also fix your back-end website bugs if it's built with Node.js. I provide exceptional services and guaranteed quality work! I provide end-to-end services like Discovery workshop, UI/UX design, security, deployments and growth hacking consultancy. Here are my soft skills: • Problem solving • Creativity • Patience • Attention to detail

  • HTML5
  • CSS3
  • JavaScript
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • Hourly Rate$25 / Hr
  • Total Earned$15750
  • Experience8 Years

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W3C Web Developers Site

Which is the best website to find W3C XML freelance developers? Ithire for sure! Moreover, it is not only a W3C web developers site, but also a place where you can find many other professional web and software developers who will complete your project successfully and with the highest quality! 

W3C Definition

The World Wide Web Consortium (W3C) is an international community that develops open standards for the web. Their work includes developing the XML standard, which is used to create structured documents on the web. They also develop guidelines and best practices for web developers, and offer resources to help people create websites that are accessible to all.

For those of you who don't know, here's also a quick definition of the XML:

XML Schema Definition (XSD) is a language for describing the structure of XML documents. It allows you to define the type of each element in the document, as well as the order and relationships between elements. This information can be used to validate XML documents against the schema, ensuring that they are structured correctly.

Web developers who adhere to the W3C standards create websites that are accessible to everyone, regardless of ability. They also ensure that their websites are compliant with W3C WebXR and XQuery standards. In addition to developing standards-compliant websites, W3C developers are also responsible for:

  • Developing site architectures and navigation
  • Creating and managing website content
  • Ensuring that websites are optimized for search engine ranking
  • Testing and debugging websites
  • Providing user support

And much more!