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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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Sergey Konakov

Sergey Konakov

Software developer, architect, consultant

Armenia - Portfolio: 4

Full experience in IT is 18 years, 14 of them in programming, mostly in Microsoft's .NET environment. Have done development at any layer of programming: front-end (web site UI / HTML, CSS, JavaScript, jQuery/, desktop applications UI, client side application structure development etc.), back-end (server side services /Web services, .NET Remoting, WCF/, SQL server development /db structure, tables, relations, stored procedures, views, triggers etc./), own distributed servers development (distributed cache management, socket level communication with own protocol). Last two of my positions I have started in small start-up companies, at the last one as the main leading specialist, and both of them have grown up to large business. So I am pushing forward, reliable and stable specialist.

$33.33 /hr
0 hours

Paul Marshall

CakePHP Application Architect

United States - Tests: 1

I have been developing and managing websites and web-based applications for more than 18 years. I specialize in the architecture, development, and management of complex applications with CakePHP. In 1996, I started Protelligence, focusing on web development, Internet marketing, and website management. I closed the company at the end of 2002. In 2008, I returned to application development full-time for Haggin Marketing/Solutionset/Ryan Partnership. Most of my time was spent working on a custom CakePHP CMS used for the production of Adidas catalogs. The product cut the catalog production time by more than 65%. In addition to developing advanced features for the application, I led a major refactoring project so that the code met modern design practices, and coding standards. In addition, I was also responsible for most of the documentation, unit testing, and advanced CakePHP features. In 2011, I was hired as the Lead Architect for a social CMS that provided hour tracking for internships and volunteer work, as well as other social community features. I created a new plan and a flexible abstract architecture that allowed us to reach the first beta in four months. The new architecture resulted in an application that was 70% smaller, easier to use, and much easier to develop with. I primarily focused on developing the architecture and the core features of the CMS, while most of the team focused on writing the modules that contained most business rules and features for users. I have been contracting since August 2009 in a variety of roles for small to medium businesses and startups. I was hired as a project manager and interim Director of Engineering for Field Automated Communication Systems. In addition to project management, I was responsible for implementing Agile methodologies, JIRA, creating documentation, ERDs, UML diagrams, and wireframes for the application. Other projects involved architecture and software development as well as project management. I converted a third-party subscription application to a custom CakePHP application including the user signup, user management, recurring billing, and administrative features for a startup in the online storage space. Last year I worked with a construction hardware company upgrading and adding features to their CakePHP enterprise application. I also developed the architecture and code base for a business related gifting startup. Currently I am working on a multi-sides SaaS platform for a travel related site. In addition, For all of these projects, I implemented JIRA for project and issue management, version control, and a lightweight continuous integration and deployment system with phing. In addition to my programming and web development experience, I have a solid understanding of business, sales, and marketing that I have acquired over more than 20 years as an entrepreneur. This often allows me to bridge the gap between management and engineers.

$100.00 /hr
0 hours

Bidyut D.

Bidyut D.

Desktop and Mobile Application Programmer

India - Tests: 3 - Portfolio: 10

I am trainer turned developer with 6+ years experience in software development and 3 years experience in teaching in high school computer and mathematics subject. I worked with almost all software farms in my city. I have experienced different programming languages such as,,, Java,JSP, php,etc. 60% of my projects are using . I also have core knowledge of SQL Server, MySQL . I have also worked with MS Access DB , Oracle, PGSql. I love to accept challenges and complete it. Time is a great factor for me. I want to develop websites, application, database queries that challenges me.

Groups: Application Developers Alliance

100% Job Success
$30.00 /hr
1,302 hours

Andri Andriana

Andri Andriana

Expert Web, Desktop, Mobile Application

Indonesia - Tests: 2 - Portfolio: 2

I have been working for 10 years since I graduated from an IT Academy. My position varies among database management system, software development, and IT maintenance. I focus myself as a programmer and these are the projects I've done: - ERP System - Payroll System - Inventory Control - General Ledger - Restaurant Management - Interactive Multimedia - Retail or Resto Management - School Management - Android System, etc.

$11.11 /hr
0 hours

Jose Luis Oronoz Troconis

Jose Luis Oronoz Troconis

Web Developer / Magento - Opencart / Mobile - Responsive / Linux

Venezuela - Tests: 1

I am a skilled programmer with over 10 years experience in various industries, i am a specialist developer of systems under Web Platform, geared for both desktop computers and mobile devices, using the highest technologies, as well as advanced software and techniques I have developed systems for several sectors among which; Banks (ISO 8583 implementations in Web platform, Kiosk Development, development of mobile banking and internet banking), software development for government and SME sector. At the same time I am a specialist in Linux platform, with more than 8 years of experience in d evelopment, OS administration, and network administration. I am currently a fan of software development for mobile devices using such frameworks (jQuery Mobile or Sencha) developing applications tailored to the customer. I have broad experience in the following languages and systems PHP AJAX JQUERY JQUERY MOBILE MYSQL POSTGRES MSSQL PHOTOSHOP C # ASP.NET (Basic Level) Great experience with Linux and Unix operating systems Good knowledge in the area of information security. I am a creative person, professional, like I always give my best in all projects, and responsible, all jobs are guaranteed and will provide the necessary support for your project will have the desired success. Thanks in advance

$22.22 /hr
3,591 hours

Jaspreet S.

Jaspreet S. MVC Expert

India - Tests: 5 - Portfolio: 10

******************************************************************* Guaranteed Best Quality work, Quick Response, Keep Deadline ******************************************************************* I have more than 7 years of successful experience in C#, MVC, Jquery, Entity Framework, SQL Server, Ajax, UMBRACO CMS, WCF/WPF, Web services, RESTful API, Paypal, Ecommerce, Silverlight,, AngularJs, Node.js, Phonegap, SignalR, I have been developing a wide range of Web sites using many frameworks and C# MVC design pattern, HTML5/CSS3, jQuery/javascript including sites for start up companies and various businesses. About speaking front-end skills, I am really good at mainly responsive theme design using bootstrap, zurb, 960grids. I am a full time web developer and I will provide you a best quality work and can provide you a best quality and credit, strict deadline. Hope a long term relationship with you!

71% Job Success
$16.00 /hr
118 hours

Subhash C.

Subhash C.

Magento Expert | Wordpress | HTML5 | PHP | Drupal | Web Developer

India - Tests: 7 - Portfolio: 6

I intend to establish myself as architect with an integrated business solution provider through a long time commitment, contributing to the company's growth and in turn ensuring personal growth with in the organization. I believe that my technical, functional and communication skills will enable me in facing the challenging career ahead. I have more than 5 years of experience in web application development. Below are my expertise with Magento 1. Bug Fixing. 2. Magento Setup 3. Magento Multi Store Setup 4. Magento Template installation 5. Magento Template customization 6. Magento Building Custom Templates 7. Magento Payment Gateways 8. Magento Products setup (CSV) 9. Magento Import Export Data 10. Magento Upgrade Old ver. to Newer 11. PSD to Magento Template 12. Magento Upgrade Service 13. Magento Amazon web services 14. Magento Web Design 15. Magento Website Development 16. Magento Extension Development (Modules and Widgets) 17. Magento Template Design 18. Magento Template Development 19. Magento On-Site Optimization 20. Magento core development 21. Inventory/Attribute/Category loads into Magento

$15.00 /hr
236 hours

Sanjay K.

Sanjay K. Agency Contractor

ASP.NET Developer

India - Tests: 4 - Portfolio: 12

In the last 6 years of my IT career I have developed many WEB/DESKTOP base applications using Microsoft Technologies. I have a good experience in ASP.Net, MVC3, MVC4, Entityframework, lambda Expression, VB.Net, C#.Net, SQL server , Crystal Reports, DevExpress tools,telerik control, skin file, css, DayPailot Scheduling controls. I have worked on various projects in US CMBS and RMBS space, building applications for mortage cash-flow generation, deal modeling and underwriting tools in ASP.NET. Also I have experience in third party financial tools like Trepp & Intex API for calculation of cashflow

Associated with: Sunrise Technologies

$22.22 /hr
12 hours

M. Nabeel Hamayun

M. Nabeel Hamayun Agency Contractor

Senior Software Engineer / ASP.NET MVC

Pakistan - Tests: 14 - Portfolio: 8

Detail Oriented Programmer with 6+ Years’ Success devising innovative and tailored solutions to meet ever-changing business requirements within diverse industries. Diversified experience in all phases of SDLC and designing many small, medium level to Enterprise applications’ architecture, with experience developing comprehensive algorithms, and data-processing logic. I am a strong team player, highly motivated, work very well under pressure required to meet the tightest of deadlines. And highly organized, have excellent communication, time management and organizational skills. SQL Server 2005, 2008, R2, 2012 SSAS, SSIS, SSRS ASP.NET Web Forms, MVC and Web API Framework 2.0, 3.0, 3.5, 4.0 and now 4.5 C#.Net, Entity Framework, Linq to SQL, Ajax, UML, XML, Json, Soap, Linq, and Lambda Expressions Rest Services, WPF, WCF Services, Windows Services, ASP.NET Web Services API Development, and API Integrations like UPS, USPS, Authorize.NET, PayPal, DHL Intraship, Google Maps API, Channel Advisor, eBay, Amazon AWS, ABC.PDF, Zebra Label Printing, iText Sharp PDF DevExpress, Telerik Controls Object Oriented Analysis and Design (OOAD), Agile Development, Solution Architecture, UML, Design Patterns using Sparks Studio, Rational Rose, Visual Studio Source Control like TFS, VSS, SVN and GIT

Associated with: Relliks Systems

100% Job Success
$16.67 /hr
195 hours