AJAX Developers & Consultants

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AJAX (shorthand for asynchronous JavaScript and XML) is a group of interrelated client-side web development techniques used to create interactive web applications or rich internet applications. AJAX is used by web applications to return data in the background without interfering with the display and behavior of the existing page. On Upwork, the world’s largest online workplace, companies hire AJAX developers to successfully complete jobs including site administration, video integration and submission forms.

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AJAX Job Cost Overview

Typical total cost of Upwork AJAX projects based on completed and fixed-price jobs.

Upwork AJAX Jobs Completed Quarterly

On average, 656 AJAX projects are completed every quarter on Upwork.

656

Time to Complete Upwork AJAX Jobs

Time needed to complete a AJAX project on Upwork.

Average AJAX Freelancer Feedback Score

AJAX Upwork freelancers typically receive a client rating of 4.65.

4.65
Last updated: June 1, 2015
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  1. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Last active: 1 month ago - Tests: 9 - Portfolio: 2

    I am seeking opportunities to build robust, well tested front-end solutions that require a lot of JavaScript. Here's a short list of bigger projects I have worked on over the last few years: - ING Developing a single page banking application in Backbone/Marionette. We're also using jasmine, karma, nodejs, express.js, gulp, requirejs, d3.js, jquery and many more. I'm a technical team leader of one of the Scrum teams, responsible for the transfer's section of the app. - William Hill William Hill is one of the largest bookmakers in the United Kingdom. I have developed a wide range of websites that required a lot of front-end scripting. I had a chance to work on a truly scalable solutions as the websites were in 24 languague versions. - AQA AQA is one of five Awarding Bodies which are recognised by the regulators of the public exams systems for England, Wales and Northern Ireland. I had the privilege of working in the AQA office in Guildford directly with the kind and professional AQA team who had a really positive attitude about the project. My work focused mainly on the implementation of a cut-up, which involved converting an HTML and CSS template into the proper syntax for the CMS, provided by a third-party company whilst reporting to the Project Manager for AQA's project.

    $40.00 /hr
    548 hours
    4.98
  2. Vira Balashova

    Vira Balashova

    Web Designer/Developer & UI Specialist

    Ukraine - Last active: 14 hours ago - Tests: 10 - Portfolio: 13

    7+ years experience in next areas of specialization: Web Development skills: - ASP.NET/ASP/MS SQL server - MVC - AJAX - AS3 - Web Services - XML / XSLT - HTML, CSS, JavaScript - SEO Design skills: - HTML/XHTML, CSS, JavaScript - Cross-browser/cross-device optimization. - Responsive/mobile-first web design - W3C compliant - Photoshop - Flash Application Development Skills: - .NET - Desktop Applications, Windows Services Databases: - MsSQL - PostgreSQL Project Management & Methodology: - ORM - UML - Extreme Programming - Design & Enterprise Patterns

    $38.89 /hr
    2,532 hours
    5.00
  3. Oscar Diaz

    Oscar Diaz

    CakePHP Developer

    Colombia - Last active: 14 hours ago - Tests: 4

    Within my professional career, the last 4 years have been dedicated specifically to focusing and improving my skills on building reusable, efficient, and attractive tools in CakePHP. Through this process, I have attained knowledge vital to understanding CakePHP's most essential functionalities. This knowledge has allowed me to become well versed in the dialogue between JQuery and CakePHP. This, then, has given me the skills to build helpers and components that when applied to your needs, can become the voice that takes form as your ideal problem solver Why? Because I will listen to you. I will ask questions. I will understand what you need and I will provide you with a clean and efficient code.

    $44.44 /hr
    3,381 hours
    5.00
  4. Anton T.

    Anton T.

    MODx Developer / PHP / MySQL / JS / Linux

    Russia - Last active: 21 days ago - Tests: 9 - Portfolio: 22

    MODx Revo/Evo developer. Over the last 9 years of working in web developing industry. I have experienced as team working (including team leader position) as well as independent freelancer. Now scope of my professional interests range from light-weight web sites to highload portals and startups. In recent years I'm developing sites mostly based on MODx CMS/CMF, but i also worked with other frameworks: Zend Framework, osCommerce, UMI.CMS, Bitrix, WordPress, Joomla and about 3-5 self-made nameless CMS. Also I have strong expirience in integration of 3rd party applications, payment systems API (Card gateways, PayPal, SMS gateways, WebMoney, Yandex.Money, RBK.Money, Money[at]Mail.ru, Qiwi), websites optimization (according to GTmetrix and Google Page Speed Test). In addition, I possess high-quality 2 years expertise in software and web testing. At your service!

    $33.33 /hr
    1,253 hours
    4.98
  5. Gevorg H.

    Gevorg H.

    AngularJS / D3 / NodeJS developer

    Armenia - Last active: 14 hours ago - Tests: 3 - Portfolio: 7

    Author of "modularus" - a boilerplate for modular and scalable front-end development https://github.com/modularus/modularus ▪ Front end: JavaScript / AngularJS / jQuery Data Visualization / SVG / D3.js HTML5 / CSS3 / Bootstrap / LESS / SASS (prefer LESS) RequireJS / Browserify Bower / Gulp / Grunt (prefer Gulp) Modular front-end development ▪ Back end: NodeJS / Express / SailsJS / REST / JWT / Socket.io PostgreSQL / Sequelize / MongoDB / Mongoose / MySQL ▪ Deployment Heroku / AWS ▪ Services and APIs: Firebase / Auth0 Paypal / AWS / Any other documented api :) ▪ Development workflow and tools Git / Git Workflows Bitbucket / Github / Jira Slack ▪ Template Engines Jade / Handlebars / EJS ▪ Other stuff which I don't do any more :) PHP / Slim / Wordpress

    $45.00 /hr
    1,641 hours
    4.82
  6. Valery V.

    Valery V.

    PHP / MySQL / AJAX / Smarty / Joomla / SocialEngine / WordPress dev

    Ukraine - Last active: 1 month ago - Tests: 4

    I am experienced full stack web application developer(over 8 years). I’ve created a number of complex systems including dating sites, social networks, e-commerce sites, inventory management systems, scheduling systems, forum applications, and internal organizational systems. I have Master Degree in Computer Sciences and strong technical background as well as a keen eye for design. My feedback is 5 stars because: • I always stick to deadlines, • I have an excellent communication skills, • I'm available almost 24/7 via Skype, • I have a stable internet connection, • I love to turn clients ideas into reality. Looking forward to a long term relationship.

    Groups: Bluehost Developers and Designers, SocialEngine

    $40.00 /hr
    3,884 hours
    4.87
  7. Humayun H.

    Humayun H.

    Expert iOS Dev

    Pakistan - Last active: 8 days ago - Tests: 3 - Portfolio: 6

    I'm an iOS developer skilled with all the tools required for the art of creating marvelous Apps. I have a passion to create wonderful and eye-catching Apps that appeal to both the users needs and senses. Having a Computer Science background, the basic blocks of designing and development come as second nature to me and that combined with my avid interest in exploring new techniques and technologies makes me someone you can count on to deliver quality products.

    $60.00 /hr
    1,458 hours
    5.00
  8. Dorin Duminica

    Dorin Duminica

    Software Developer

    Romania - Last active: 2 days ago - Tests: 12 - Portfolio: 1

    Over the past 6+ years as a Delphi developer I have worked on database, desktop and web applications. I'm proficient in Delphi(version. 7 to 2010) and PostgreSQL. I have a very good analytical thinking and elegant taste for user interface. I also have experience with RTL, VCL(shipped, DevExpress, TMS), OOP, SQL. I'm constantly doing my best to improve my skills and learn new technologies.

    $38.89 /hr
    8,643 hours
    4.90
  9. Harold R.

    Harold R.

    Expert JavaScript, jQuery, Backbone.js, HTML5 web app developer

    United States - Last active: 4 days ago - Tests: 2 - Portfolio: 11

    I'm Harold, and I develop web applications. The best part about working with me is that I focus on exceeding your expectations, blowing past just meeting your needs. I'm a little pricier per hour than other contractors, but you'll find I'm worth every penny. I get things done, and I'm extremely good at realizing new features with maintainable code with a quick turnaround time. My native language is English. I'm also fluent in Spanish, Italian, Portuguese, and basic French. I live in Boston, MA. Drop me a line on Upwork; I'd love to provide free insight into what you're working on!

    $185.00 /hr
    451 hours
    4.75
  10. Paolo B.

    Paolo B.

    Senior Coldfusion Developer

    United Kingdom - Last active: 3 days ago - Tests: 3 - Portfolio: 2

    ODesk / Elance preferred No 1 English Coldfusion Developer... Are you looking for value and quality? Then I'm your guy. I am a Senior Coldfusion Developer with 13 years experience and am also the creator of Fusemox (http://fusemox.com) - a lite Coldfusion framework that helps small-medium businesses and developers set up a well structured website quickly and with ease. I have been developing web applications primarily in Coldfusion for more than 13 years. I have a strong technical background as well as a keen eye for design which is unusual for a software engineer. My strongest skills are Coldfusion and Railo, Fusebox, MySql, XHTML and JQuery. I also have a good background in ASP.NET (C#) and SQL Server.I am self sufficient and a focused and efficient worker. I also have excellent communication skills. My strong front-end and back-end experience should make me a great addition to any web development team. I have spent the last 10 years as a full time employee, with the last 6 as the development lead and architect at a development house that did work for a government agency as well as other big corporates. I have since decided to get out of the rat race and work on a freelance basis which allows me more freedom and also allows me to gain more experience and a broader range of skills.

    $55.56 /hr
    4,305 hours
    4.86