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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, 631 AJAX projects are completed every quarter on Upwork.

631

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.

4.66
Last updated: August 1, 2015
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  1. Alexey K.

    Alexey K.

    C# | ASP.NET |ASP.NET MVC | Umbraco Expert

    Ukraine - Last active: 1 day ago - Portfolio: 7

    I am ASP.NET/C# expert, rated in the Top 1% for .NET/C# skills, with 12 years experience in C#. I have more than 30 projects delivered on time and on budget. I have 18 years of experience in IT in big and small companies. I'm able to work effectively even with minimum supervision and guidance. I perform equally well as large projects in a team, as well as small projects independently. My favorite technologies are C# ASP.NET and Win Forms (web-based and desktop applications) and VoIP. I have more than 8 years experience in VoIP. I'm a citizen of Russian Federation

    $18.00 /hr
    509 hours
    4.97
  2. Andrey G.

    Andrey G.

    Experienced PHP developer, Web architect

    Ukraine - Last active: 1 day ago - Tests: 9 - Portfolio: 4

    • Backend PHP development – OOP paradigm, MVC model • Website architecture design - setup shared or VPS hostings, integration with Amazon Web Services • Linux administration – assured experience with Ubuntu: Apache, Nginx, MySQL, Redis – performance and security configuration • Frontend development – good experience with HTML, CSS, JS

    $25.00 /hr
    9 hours
    4.99
  3. OLEH VOLKOV

    OLEH VOLKOV Agency Contractor

    Expert in C# technical drawing, 3d-modeling, database

    Ukraine - Last active: 9 days ago - Tests: 9 - Portfolio: 6

    I am writing programs last 22 years. I have been programming languages ​​C, C++, Java, C#, SQL, javascript, html, pascal, php, assembler, basic. I worked with Linux, Novell Netware, Windows, OS/2(ATM). I have been working for 10 years in different banks. I have deep knowledge in programming for financial institutions. Of course I create software and services for bank data base. I create 3d details in Solidworks and CAD system. I write desktop applications, web and mobile applications. I am writing code easier to understand, I do a lot of comments, I try to maximize test and exclude all of the error. I am also record in the log file to identify any errors in the application. This approach pays off when the need to make changes to it in the future. When I work, I am constantly in touch with the customer to ensure better cooperation between us. So, if we work together, you can expect that I will be constantly available, because if I were in your position, I would like the same thing. Experienced in: + Small and Very Large Databases + Desktop application + Client-server applications + Mobile application + 2D Game application + Small Web application development + Structured and OOP development best practice. + Work within a technically complex and fast-paced environment. + Solution researching and prototype development. + 3D modeling parts of mechanisms Specialties: + Application Platforms: Desktop, Mobile and Web + Concepts: OOP, Design Pattern, 3D modeling + Languages: C#, Java, PHP, AJAX, SQL, C/C++, Pascal, Markups (XML, html, CSS) + Database Systems: PostgreSql, Sybase ASE, MySQL, Microsoft SQL Server, Oracle, Firebird, MS Access + Application Server: Apache, IIS + Operating Systems: Linux, Windows, Android + Tools: Visual Studio, Eclipse, C++Builder, Delphi, Solidworks, Archicad Why should you hire me? - 100% money back guarantee if not satisfied for any reason - I am always available to communicate

    Associated with: Region IT

    $16.67 /hr
    152 hours
    5.00
  4. Himanshu Bhattacharya

    Himanshu Bhattacharya

    Take pride in my work

    India - Last active: 1 day ago - Portfolio: 3

    Dedication, speed and honesty . These words have defined me. Secured position in top 1% developers club in elance. I am a software engineer , who is doing dedicated work in this field from last 4+ years.

    $16.67 /hr
    455 hours
    4.80
  5. David B.

    PHP/MySQL Developer Specializing in E-Commerce Platforms

    United States - Last active: 1 day ago - Tests: 7

    Over the last 9 years, I have specialized in e-commerce. I got my start working on simple osCommerce installations. Since then, I have progressed to building and working with highly-customized and integrated platforms, becoming an expert in PHP/MySQL, HTACCESS, JavaScript, AJAX, jQuery, and XML. I have also had the opportunity to work extensively with many other frameworks and API's. I have a lot of experience with Google Adwords API, credit card and shipping interfaces, and numerous other external libraries. I enjoy challenge of optimizing applications for peak performance inventing new methods for automation, streamlining back-end operations, and providing custom analytics. I pride myself on being able to jump into a project quickly and to creatively solve nagging problems. Although I do have experience with HTML and CSS, I am in no way a designer. I am strictly a coder, and, simply put, I love my work. I have worked with over 140 clients on 225+ projects. Excellent communication skills and driven work ethic. I am a perfectionist, and I am not happy until the client is happy.

    Groups: Application Developers Alliance

    $72.22 /hr
    3,511 hours
    3.91
  6. Sergey C.

    Sergey C.

    Microsoft Certified C#/.NET Senior Developer

    Moldova - Last active: 12/12/2011 - Tests: 4

    I am a senior .NET developer and a certified Scrum Master, with more than 7 years experience of developing complex desktop, web and business intelligence database applications. My objective is to work on complex and challenging projects, which requires strong skills and knowledge.

    $16.67 /hr
    703 hours
    4.88
  7. Shahla Abbas

    Expert QA Engineer

    Pakistan - Last active: 1 day ago - Tests: 5 - Portfolio: 4

    More than 6 years of QA, testing, software & web development experience. Proficient in: Selenium, Django framework, PHP (GD, work with FTP, XML, PayPal integration, Authorize.Net integration, Skipjack integration, web templates parsing, regular expressions), Zend Framework, Python(urllib, PIL, SQLAlchemy, Sockets, Regular Expressions, JSON, db api 2.0 ), Smarty, xHTML, AJAX(Prototype framework, JQuery framework, EXTJS), CSS2, usability, accessibility, Joomla, Drupal, WordPress custom themes, ASP.Net, C#, VB.Net, Silverlight, Telerik Controls, Telerik Reporting Databases: MySQL, PostgreSQL, MS SQL Server

    $20.00 /hr
    5,275 hours
    5.00
  8. Martin M.

    Martin M.

    Expert Web Developer

    Argentina - Last active: 8 days ago - Tests: 3 - Portfolio: 10

    Im a Software Engineer. I am passionate about web development and information technology in general. While I have been developing web applications for more than 10 years, I like to research and learn new technologies. If I get the opportunity to work with you, you will not regret it -Over 10 years experience in web development, LINUX + APACHE + MYSQL/ORACLE + PHP -I developed many cms based websites -I developed many web applications -I developed an ERP for Pharmacy Industry with traceability subsystem integrated to a government platform vía WEBSERVICES. -I developed a Geriatric Software. -I developed a Billing Software for Healthcare Client -I developed a customizable Government Website And more.... -Doctrine and Propel Experiences -Certified Oracle DBA. -Email Spooling -Lucene Index (fast searches) -Symfony Expert -Cake -JQuery, JQueryUI, Ajax, HTML, CSS. -MVC Pattern, IOC Pattern, OOP. -Experience in Oracle (SQL and PL/SQL), Mysql, PostgreSql, Firebird -Webservices implementations, Client and Server -Experience in Web application security (Xss, Crsf, SQL Injection, DoS Attack) -SVN -PHPUnit -Java, JSP, Servlet, Tomcat. -Experience in Streaming Platform: RED5

    $55.56 /hr
    0 hours
    0.00