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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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Lyubomir Filipov

Lyubomir Filipov

web developer

Bulgaria - Tests: 2 - Portfolio: 6

Over last 5 years I have been working as a developer. I have professional expirience of creating applications for mobile phones - using webworks and HTML5. I have created several applications using mobile-jquery. During the last six months I have been working on different online shops or CMS systems for small and large business. I have been using PHP,MYSQL,HTML,DHTML,Ajax,Smarty, jQuery,MooTools. I have started using HTML, DHTML simple websites. I have been working as Flash developer creating different desktop or web applications. In highschool I have been working on European projects and I have been adminstrator and creator of the websites. I have experience in testing systems - QA. At university I am studying Informatics and also I am one of the organizators of IT competitions(the past two years I have been in the jury). Several years of professional experience. I am seeking opportunities to build websites and confirm the quote "Practice makes perfect."

$25.00 /hr
4,068 hours

Jonas Tandinco

Jonas Tandinco Agency Contractor

Senior Software Architect/Engineer for PHP and Android development

Philippines - Tests: 9 - Portfolio: 4

Since 2001, I have been developing various Web IT Solutions employing different Web technologies. At the moment, I specialize in PHP/MySQL making use of several frameworks such as Wordpress, Joomla, Code Igniter, symfony, Zend, etc. I am now also into mobile development using Android. I am seeking opportunities to build IT solutions employing various technologies that would best fit the client's needs I am highly knowledgeable in Software Design and Architecture and Object Oriented Programming concepts and have an extensive knowledge in Project Management I am a great communicator and very motivated because I love what I'm doing.

Groups: Joomla!

Associated with: WIZE Solutions

$16.67 /hr
221 hours

Ronnie J.

Ronnie J. Agency Contractor

I'm the Lead Developer and Project Manager at DUOWEB

Trinidad and Tobago - Tests: 2 - Portfolio: 19

Knowledge of PHP, XHTML, CSS, XML,​ JavaScript/jQuery and more. Awareness of the Web Development industry, and new technologies. Social Media Monetisation Strategies. Developing multi-user applications within a (SOA) service orientated architecture. Writing up technical manuals and user instructions. Strategically thinking through all parts of the design process. Knowledge of payment processing, customs clearance and multi-currency pricing. Knowledge of international web standards and protocols. Able to organise own workload effectively and prioritise tasks. Can quickly understand business requirements and then translate these into Having a passion for customer service & responding quickly to enquiries. Can manage multiple projects in a fast-paced, deadline-driven environment. Adaptable and able to quickly pick up new techniques. Understanding of W3C standards, web accessibility & best practice. Passionate about doing a good job. First rate interpersonal and communication skills, able to easily interact with fellow developers and customers alike. Comfortable with being the ‘go to’ person in a company. Strongly committed to all projects from inception right through to the end. Confident, friendly and easy to get along with.

Associated with: DUOWEB

75% Job Success
$15.00 /hr
3 hours


Kana Agency Contractor

Expert Zend Framework, Wordpress, Php Developer

India - Tests: 13 - Portfolio: 23

Having over 10+ years of strong experience in the developing web applications using following open source Technologies: PHP5, Strong hold in CakePHP / ZEND / Yii / CodeIgniter / Custom Framework (MVC), MySQL with Strong SQL, Various API's and Libraries (Social Media API's, Google MAP, jQuery, Schedulers, 3rd party components etc.), HTML5, bootstrap, CSS3, AJAX, JQUERY, JAVASCRIPT, Open Source CMS – WordPress, Joomla, Drupal, Magento An expert with an experience of developing more then 500+ websites or web applications ranging from social networking, market place to complex ERP, CRM & other online service rendering and management applications with varied technologies and different domains in Spatial Technologies. Therefore, I possess strong and thorough understanding of portals ranging from simple e-com to complex CRM applications and integration with third party tools such as Facebook, Quick Books, Sales force etc. I also have experience in end-to-end project management including project planning, scoping, estimation, status tracking & ensuring implementation and successful project delivery as per the agreed deadlines with the help of Spatial's globally distributed multi-skilled team and robust project management tools. ----------------------------- My Technical Skills & Expertise includes: •Expert in developing custom web applications using PHP MVC frameworks such as: ZEND, and Yii Frameworks. •Excellent experience in working with object oriented programming techniques and design patterns like MVVM, MVP, MVC, Service Oriented Architecture (SOA), WCF, WPF, Web Services, and Dependency Injection. •Latest WEB Technologies HTML5, XML, JavaScript, JQuery/ Canvas, AJAX, CSS3, Bootstrap/HTML5 Frameworks, Angular Js, Node Js GIS Google Maps •Database Platforms MySQL, PostgreSQL •Platforms UNIX/LINUX •Domain Proficiency Custom Internal and external SAAS/Workflow Management software GIS/GPS based mapping applications such as E-learning, Real estate Directory, Event Planning Multi Lingual Portals , Online management applications, E-commerce ERP, CRM etc •Wordpress Plugin Development & CMS Development. •Magento E-commerce Solutions, Custom Extensions Development & Multi-Store Development. •Joomla Components Development. •Building Responsive Web Applications using HTML5, CSS3, Bootstrap and jQuery •MySQL Database Administration. •Project management tools- Basecamp Pivotal Tracker Trello Asana Foxbugz Mantis ----------------------------- Roles & Responsibilities :- •Requirement Elicitation: Finalizing & prioritizing the project requirements. •Strategizing project scoping document, to clearly communicate the project roadmap and send it to the clients for their approval. •Creating functional specifications, SRS, RUD & business analysis document. •Prepare detailed wireframe diagrams for the client and the development team. •Handling daily client communication and ensuring a smooth delivery of all project modules. •Writing training/support manuals and instructional guides.

Associated with: Spatial Technologies

93% Job Success
$10.00 /hr
0 hours

Monali P.

PHP/Drupal Developer (Site Builder, Theming and Customization)

India - Tests: 1

We are a small team (3 developers) having 7+ years of experience in developing large websites in different domains. They have developed a wide range websites using PHP, Drupal, Wordpress, Yii, Smarty, HTML, CSS, AJAX, jQuery and MySQL. We are looking for good projects to prove our skills in web development.

$12.00 /hr
2 hours

Ezekiel Baniaga

Ezekiel Baniaga

Ezekiel Baniaga - Software Developer

Philippines - Tests: 4 - Portfolio: 3

With 5 years experience in various areas of Software Development. Concentrated on different open source technologies to provide clients with a low cost but high quality end results. Below are my mastered technologies and platforms: Enterprise: Java, NetBeans Platform, EJB, JPA, JAX-RS, Hibernate, JBoss Application Server, Apache HTTP Server, Tomcat, Jetty Reporting: JasperReports using iReport. Database: PostgreSQL, MySQL, Sybase, JavaDB, HSQL Software bug-tracking and management tools: Subversion, CVS, Trac, Kenai

100% Job Success
$13.33 /hr
4,017 hours

Sajid Ali

Sajid Ali

ASP.Net | ASP.Net MVC | Silverlight | AngularJS | SQL | RavenDB

Pakistan - Tests: 4 - Portfolio: 6

Thank you for considering me for your upcoming project. I am specialize in Web development. I had a rich experience in building sites from the scratch using : ASP.NET,MVC, Silverlight, MVVM, PRISM, C#, SQL, AJAX, ENTITY FRAMEWORK, LINQ, jQuery, AngularJS, Bootstrap, TypeScript JSON, WCF, UNIT TESTING (TDD), JavaScript, HTML, DHTML, CSS, SQL, RavenDB and many third party tools.

75% Job Success
$16.67 /hr
272 hours

Omar Valadez

Omar Valadez

Software Architect

Mexico - Tests: 5 - Portfolio: 1

13 years of professional experience in the full life cycle of software development projects for financial, insurance, and government companies. Client-server core banking, Insurance systems experience, CRM systems. Software Architect and Project manager in Java and Microsoft Development Tools, including desktop and web apps. I also have some experience in the following areas: - OOP, Web Services. - Microsoft .Net Frameworks ASP .Net,VB .Net, C#, MVC, WCF, WPF. - Java - PHP and MySQL. - Databases Administration in : MySql 5, Microsoft SQL Server 2005, 2008 and SyBase 11, Oracle 11. - Window Server Administrator 2003,2008 VPN, IIS,Active Directory, - Exchange Server. - Linux Server Administrator for services :FTP,DNS, OpenVPN, Samba,Firewall in distributions : Mandriva, OpenSUSE, Fedora. - Automatic testing with Smartbear TestComplete automation software. - jQuery and Prototype Javascript - VPS, shared hosting, DNS configuration, Cloud computing.

$22.22 /hr
6,568 hours