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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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Petr B.

Petr B.

Senior Developer, Consultant

Russia - Tests: 5 - Portfolio: 2

I have strong background in UNIX/Linux software development, Master's Degree in Computer Science. I worked on Enterprise high-load distributed hosting automation systems as a Team Leader (3.5 years in SWsoft, Inc., now called Parallels). For the last 6 years I'm running my own small software development business in Russia with primary focus on Python/Django apps. Not pure Web but often involving integration with hardware (Proximity Cards, Sensor Screens) or external systems like Payment Processing, SMS Gateways, GABRIEL (Airline Reservation System), etc. I can take an idea and turn it into a working business, through all the intermediate stages. Also I have experience of investing my own funds in my projects, so I feel the difference between "perfect code" in a month and "good enough" code that increases the revenue right now. Nevertheless, my code is very good: no copy-paste, always written with performance, flexibility and security in mind, etc. On oDesk I'm looking for (and actually find :) interesting projects with a sight on long-term fruitful cooperation. I'm also open to smaller activities (e.g., consulting) where my knowledge can be helpful.

Groups: Coding Champs

100% Job Success
$40.00 /hr
1,740 hours

Biju J.

Biju J.

Web applications,Access & Excel VBA/Macro developer

India - Tests: 3 - Portfolio: 7

Seeking challenging assignments for software development (windows and web), VBA Programming, auto processing / manipulation of excel and word documents. Technically sophisticated professional, offering 16+ years of insightful experience in Computer Programming, Software Training and Troubleshooting in India and abroad. During my 16 years of work experience, I have developed many software applications using the technologies Java / JSP / HTML / JavaScript / ajax, C#, Visual Basic, VB.Net, Visual Foxpro, Excel VBA, Word VBA, MS SQL Server, Sybase and MS Access. Example of work done : Work Order Tracking System, Call Desk Ticket Scheduling System,Payroll system, Water Connection & Billing System, Time Sheet & Cost Tracking System, Estimation System, Mail Server System, IT Help Desk & Tour Management System etc. I also have very good experience in Microsoft Office Package Excel,Word and PowerPoint. Expert in making forms in MS Excel and Word with validation, functions, macros and VBA application. Example of work done in excel : Developed function using excel macro to convert number to word (spell number). Developed excel form with look up functions, validation to verify the invoice of contractor. Developed a MS Word VBA application for extracting content from another word file and insert data in a new document based on the selection criteria in a cascading list box. Award: I received award from Saudi Arabian Oil Company for the automation of Work Order Processing with paperless workflow.

89% Job Success
$22.22 /hr
1,344 hours

Sergey Z.

Sergey Z.

PHP | ColdFusion | MySQL | Adobe AIR | AJAX

Russia - Portfolio: 24

We are design studio based in Perm, Russia. Our core services are: 1) Website development 2) Identity 3) Online video conferences 4) System integration 5) Adobe AIR applications development Our esential characteristics are professionalism, originality and innovation. We give a great importance to small details and try to bring something new to every project.

$20.00 /hr
17 hours

Matt Campbell

Matt Campbell

Expert Systems Engineer, Drupal, Database, VBA & PHP Developer

United States - Portfolio: 9

I specialize in Database Development, VBA, SQL, PHP and Microsoft Access. This includes a broad scope of Web Development with Drupal and Wordpress. I am also a MCSE and MCITP. I work as a Windows System Administrator for a large retail POS company. I am network administrator, Linux server technician, web developer, Access programmer, Excel developer, reporting guru, statistician and an expert systems engineer all around. I graduated with an interest in finance, mathematics and statistics. My initial background is in finance. Creating very robust financial modelling databases, and making countless custom queries and reports. This evolved into front end database application development, multi user network based structures, and dense error handling routines. From there I went into data analysis for a large mailing company. Skyrocketing my knowledge of database structures due to the immense size of the datasets. Overall my knowledge base is very broad, and I enjoy learning!

96% Job Success
$35.00 /hr
8 hours

Kaleem Ahmad

Kaleem Ahmad

Microsoft Certified Technology Specialist

Pakistan - Tests: 1 - Portfolio: 12

I am a senior C# programmer with overall experience around 7 years. I am working on latest MVC framework since last 5 years and its a fantastic framework to work on. I work on mid level projects to large scale projects which goes up to more than a year development time line. I have worked as a Developer, Team Leader and Project Manager. I have good management and communication skills. With study, I am a software engineer in Information Technology area.

$15.00 /hr
0 hours

Jesu Rajaram Agency Contractor

Java / J2EE Web developer

India - Tests: 5

Java/J2EE Developer with more than 7+ years of IT experience. + Expertise in end to end implementation and delivery of challenging and innovative projects + Experience in building highly scalable/available systems + Expertise and experience in delivering with technologies like spring struts jquery ajax Rest web services ejb etc.. Looking forward to own and execute innovative and challenging assignments

Associated with: 10DECODERS-SERVICES

$11.11 /hr
109 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