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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, 607 AJAX projects are completed every quarter on Upwork.


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 4.66.

Last updated: October 1, 2015
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Ambiorix Rodriguez Placencio

Ambiorix Rodriguez Placencio


Dominican Republic - Tests: 1 - Portfolio: 5

Extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Complex IVR Solutions (Databases Integrations, Web App Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Customized Broadcasting solutions. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP&MYSQL Developer.

93% Job Success
$35.00 /hr
14 hours

Negoslav Pejovic

Negoslav Pejovic

Team Leader of Technical Support Engineer L1

Serbia - Tests: 2 - Portfolio: 3

Quick and easy learning as well as pronounced talent to hand over knowledge, adaptability, creativity, burly logic. I’m analytical, devoted to job, undependable, sometimes perfectionist, but always loyal. Additionally I handle the pressure well, meeting the deadlines, being independent in solving tasks, etc. I’m very creative person, modest, and very good in impersonal work with colleges. Experienced at working in thing0 that demand very devoted approach, precision with very short terms and I come upon, in that, excellent. I want to prosper professionally and I’m up to strive in it, whereby overwork or any other activities which can be useful in your business.

$11.11 /hr
3,501 hours

Guyen C.

Guyen C. Agency Contractor

Magento, Drupal, wordpress, Joomla & ASP/PHP/RUBY/FLASH/JAVA Developer

Bolivia - Tests: 8

I have 8 years experience developing Joomla/Wordpress and web and desktop applications . I have some projects created with Drupal, Joomla, Wordpress, c#, PHP, java J2EE, C/c++, Ajax JavaScript, CSS3, Ruby, XML. DHTML, WPF, LINQ and more. Try to find more opportunities for development of websites. I consider myself self-taught and always willing to acquire additional skills and training as required. I also have experience with Frameworks Ezpdo, Cake, Symphony.

Associated with: SCALE-S

$15.00 /hr
1,706 hours

William Grzybowski

William Grzybowski

(Web)Development and Unix-like Consultant

Brazil - Tests: 7 - Portfolio: 2

Before I even go to university i started working with Web-development. My first experience was about 6 years ago with pure HTML using frames in Dreamweaver 3. Since then I have worked hard to improve my skills in every way possible, not just as a web-developer but as a general programmer, and now I work essentially with Open Source software like Python(+Django), PHP, Linux/FreeBSD, PostgreSQL, etc.My degree in computer science helped me to understand the basics of a computer from the bits in the processor instructions to multimedia, and thus can be used everywhere to improve the final result of a project.

$33.33 /hr
3,500 hours

Carlos Feitosa

$35.00 /hr
218 hours

Eugene B.

Java/J2EE Developer, C#/.NET, C++ Developer


Manager of Information Technologies department, Software Developer, Database Administrator, System Administrator (Protek Company).Software and Web developer (CoCoS Company)OBJECTIVE :To find a job position that matches both my skills and interests, whilerequiring all of my energy and to learn & apply the most effective ITsolutions. I need a job where my intelligent level is used on 100%. I don?t like when my work is equal the charwoman?s work.KEYWORDS :Java, JSP, JSF, Struts, Spring,C#,.NET, Hibernate, iBATIS, AJAX, SWING, PHP, Perl, SQL, JavaScript, HTML, XML, web development, C++, Object Pascal, Delphi, OLE, ActiveX, ADO, PL/SQL, JavaCC, ASM, MFC, IT management, human resources, developmentOracle, MySQL, InterBase, BEANS, PHP

$22.22 /hr
793 hours

Evgeniy B.

Evgeniy B. Agency Contractor

Appcelerator Titanium iPhone/Android Mobile applications Developer

Russia - Tests: 3 - Portfolio: 6

In the development of mobile applications, I actively use the interaction with the server via JSON / XML api, geolocation, social sharing Over 10 years experience in the web-development PHP, Zend Framework/Phalcon, Jquery

Associated with: RedMox

75% Job Success
$40.00 /hr
514 hours

Farooq R.

Farooq R. Agency Contractor

PHP|Directory|MobileSites|Twilio API|Prestashop|API|JQuery Expert

Pakistan - Tests: 5 - Portfolio: 13

Web Horizon is a team of experienced professionals providing a wide range of complex software and web application development services. We believe on professional solution and work hard till customer satisfaction according to their requirements.

Groups: Twilio

Associated with: Web Horizon

100% Job Success
$11.11 /hr
316 hours