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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: July 1, 2015
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  1. William Grzybowski

    William Grzybowski

    (Web)Development and Unix-like Consultant

    Brazil - Last active: 07/09/2014 - 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
    5.00
  2. Aleksey Zhuravlev

    Aleksey Zhuravlev

    Responsible skilled Web Developer, Javascript and PHP expert

    Russia - Last active: 4 months ago - Tests: 4 - Portfolio: 1

    I have over 5 years of experience in Software Development. Excellent in web application and data warehousing. • Deep knowledge of JavaScript, PHP and HTML/CSS (jQuery, Backbone, Handlebars, Express, Silex, Kohana, Smarty, Twig) • High experience in SQL and PL/SQL (MySQL, Oracle 11g) • High experience in VCS (subversion and git) • Experience in node.js • Experience in Apache httpd and nginx • Experience in mongoDB • Experience UNIX/Linux and Windows operating systems administration

    $27.99 /hr
    354 hours
    5.00
  3. Peter Hanna

    Peter Hanna

    SharePoint Architect, Workflow, Office 365 Expert

    Egypt - Last active: 2 months ago - Tests: 4

    Need some IT Magic, I'm your guy. ;) With my 8 years of experience in both the development and administration sides of IT business, I've learned to combine both skill sets with a strong analytical mind to create almost magical solutions to issues no one else could solve. I'm an 8 years of experience IT professional, I've administered and developed for almost all of Microsoft systems with most of its recent versions (OSC, Lync, Sharepoint, SQL, IIS, Active Directory, Exchange, Hyper-V....) I have been working on SharePoint development and SharePoint architecture for more than 8 years and I am very experienced with developing SharePoint features, SharePoint workflows, SharePoint web parts, SharePoint scheduling, SharePoint reporting, SharePoint customization, SharePoint configuration and SharePoint solutions. I also have been working on a lot of important SharePoint products and web portals. So, If you need to develop SharePoint portal, SharePoint workflows, SharePoint customization, SharePoint integration, or SharePoint solutions please feel free to contact to me. I'm also specialized in SQL administration and development.

    $20.00 /hr
    292 hours
    5.00
  4. Riyadh -Ul Islam

    Riyadh -Ul Islam Agency Contractor

    Sr. Software Engineer

    Bangladesh - Last active: 16 hours ago - Tests: 4 - Portfolio: 5

    More than 4 year experiences in team leading, requirement analysis, programming, software designing, development, building, testing, deployment and maintenance with .Net and its associated technologies, Node JS, MS SQL Server, IIS and windows environment including cloud computing and Web technologies including HTML5, CSS3, Angular JS and Jquery in off shore software developing companies. Skills and accomplishments: - Problem solving experience in different areas of Computer Science. - Professional work experience in System design and development - Professional Knowledge in Agile Scrum and Test driven development. - Experience in design, development and testing in Object-oriented technology, Web and mobile based application in different architectures. - Good understanding of Object-Oriented principles and software engineering practices - Skilled programming experience in C# .NET, ASP .NET, PHP and its associated technologies - Understanding and experience in Relational Database Management Systems: SQL Server, MySql, MS-Access, PL/SQL and MongoDb and ORACLE - Professional knowledge in White-Box, Black-Box testing, Usability testing. - Quick Learning ability, ability to manage and mingle with team, interpersonal skills. Specialties: - Programming Languages: C# .NET, J2SE, J2EE, J2ME - ORM Technology : LINQ , NHibernate, CodeIgniter ORM - Database : SQL Server, MySQL, Oracle - No SQL : Mongo DB - Testing Tools: Nunit, Visual Studio test tools, Junit, NCrunch - Scripting Language: ASP, PHP, Javascript, Servlet, JSP, JSF, Struts - Java Script Framework: Angular JS, JQuery, Google chart - CSS Framework : Foundation Framework - Markup Languages : HTML, XHTML, XML , WML , WSDL, CSS - Protocol : HTTP, TCP, UDP, SMP - Servers : IIS, Apache - Modeling and documentation tools: Rational Rose, java doc, UML - Requirement engineering documentation tools: Rational Requisite pro - Operating Systems: Windows , Linux - Version Control Tools: GitHub, SVN, Team Foundation Currently seeking .NET C# MVC, Web API, AngularJS assignments.

    Associated with: TechStation71

    $5.56 /hr
    0 hours
    5.00
  5. Alex Efros

    Alex Efros

    Perl Developer, Systems Architect, Linux Admin

    Ukraine - Last active: 01/22/2014 - Tests: 9 - Portfolio: 15

    Experienced in developing distributed systems, network services and backends for websites in Perl. I can develop complete website solution from Linux server installation and administration to complex modern web-interface in JavaScript (except graphical design). I'm developing software since 1989. I work as Perl/Web Developer since 1997. Development priorities: code simplicity and clarity, reliability, security, efficiency. I've experience with Apache and Nginx web servers, MySQL and NoSQL databases, Mojolicious and Backbone.js frameworks, Perl/HTML/JavaScript/CSS, FastCGI, non-blocking I/O, event-oriented and concurrent programming, complex parsing (fetching, parsing and processing complex data from thousands pages on hundreds websites every minute), service-oriented architecture, distributed computing, developing Perl modules, automated testing, … I work as Linux admin since 1994. Experienced in developing own Linux distribution from scratch (2001-2004). I've strong focus on security and since 2004 use Hardened Gentoo Linux. Experienced in developing large systems (50000+ man/hours) as Systems Architect and Senior Developer. Experienced Team Leader and Manager for small team (about 10 developers/testers). Also I'm author of many articles (mostly in Russian) and have small experience (about 6 months) as Top Manager in software company (about 200 employee). Since 2001 I'm working as full-time freelancer. I never agree to work which must be done quickly in exchange for quality. I like to do things in the Right Way and prefer simplicity and minimalism. I'm interested in tasks which should be implemented using OS Inferno and language Limbo (which usually mean distributed and/or highly concurrent systems). I'm looking for long-term business relationships with customers. More details (a lot of my open source software, perl modules, articles, links to LinkedIn/GitHub/etc. profiles) available on my website: http://powerman.name/

    $30.00 /hr
    0 hours
    5.00
  6. Tarik Zakaria BENMERAR

    Tarik Zakaria BENMERAR Agency Contractor

    HTML5, Javascript, BackboneJS, MarionetteJS, Python, Django

    Algeria - Last active: 6 months ago - Tests: 5 - Portfolio: 7

    Over the years, I have deepened my knowledge and expertise on HTML5/Javascript-based technologies (BackboneJS, MarionetteJS, jQuery, WebGL, WebWorker etc.) while keeping a good expertise on Python and Django-based technologies. I have applied these skills and expertise in consulting, research and teaching. I am in fact persuing a PhD while building my innovative company Acigna Inc. that provides consulting and builds R&D products in this field. Being an entrepreneur, a researcher, and a university teacher have forged in me a spirit of innovation with an eagerness to make his ideas useful for society. I am a web developer who appreciates beautiful and robust software while researching the next generation of cloud & grid architectures.

    Associated with: Acigna Inc.

    $38.89 /hr
    540 hours
    4.80
  7. Wojciech Sapiechowski

    Wojciech Sapiechowski Agency Contractor

    Web Applications / PHP / MySQL / JavaScript / jQuery

    Poland - Last active: 28 days ago - Tests: 10 - Portfolio: 6

    Over the last several years, I have developed a wide range of websites using HTML, PHP, and MySQL including sites for small businesses. I also have some experience in the following areas: SQL, Ajax, and software design and testing.

    Associated with: AMWS

    $30.00 /hr
    442 hours
    5.00
  8. 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
  9. Yuri H.

    Yuri H.

    Programmer / Developer

    Bolivia - Last active: 11/28/2012 - Tests: 7 - Portfolio: 7

    With over eight years of experience in many kinds of applications and automation tools. Strong knowledge of Microsoft .Net and latest web technologies. My goal is to serve persons with the computers and a complete client satisfaction with the result of the work.

    $17.00 /hr
    154 hours
    5.00