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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. Daniel I.

    Daniel I.

    Senior C#/.NET Developer

    Ukraine - Last active: 16 hours ago - Tests: 9 - Portfolio: 9

    Over last 14 years I was involved in the development of different business applications and sites for wide variety of the industries. During my decade in the freelancing industry, occupying different positions (from developer to team lead) I have built strong work habits that drive remote development efforts to the success by: - proactive identification of the requirements and business knowledge holders, decision maker(s) - analysis of the requirements towards vital risk factors like development time/system performance - communication of the vital requirements/knowledge/raised risks to the decision makers and involved persons - keeping requirements simple, implementable and comprehensible by constant validation, clarification & refinement - immediate notification of the decision maker(s) about all factors changes that affect development process - setup of process (bug tracking, source control, etc) if needed - and many more - based on my intuition and experience I developed extensive design & development knowledge, skills, experience and intuition and can do: - requirements gathering, validation & clarification - application architecture design (gui, multi-tiered/server side, reliability/messaging) - object oriented design & implementation with simplicity and extensibility in mind - multithreading, server side (web services, XML/JSON, CQRS) - apply design patterns where appropriate - investigate/apply efficient data structures and algorithms - database design, implementation with reliability, availability & consistency in mind - database performance tuning - performance tuning by identification and optimization of the innefficient: API usage, algorithms, data structures, database implementation/usage, transactions handling, network interaction, etc - resources management fixes (memory/resources/handles leaks) - "sense" for the algorithm/workflow complexity in means of time/memory consumption Primary technologies: - .NET, C#, WPF, WCF, LINQ, ASP.NET/MVC - SQL, MS-SQL/T-SQL, Firebird, PostgreSQL, MySQL, SQLite - ADO.NET, Entity Framework, NHibernate - Spring.NET, Castle, Unity - MSMQ, RabbitMQ - WinForms, WPF, DevExpress, Telerik - Android/Java (REST,SOAP, JSON, GCM, SSL) I'm willing to communicate at any suitable time through Skype or any other preferred IM. I'm available 40+ hours per week and usually available from 10:00 to 22:00, UTC+2:00 Looking for interesting projects and long-term relations. Regards, Daniel

    $27.78 /hr
    4,700 hours
    4.79
  2. Denis M.

    Denis M. Agency Contractor

    Senior C++ Developer

    Russia - Last active: 16 hours ago - Tests: 1

    For long years of my experience, I finished different kinds of projects. Now in every project I easily can show all my professionalism and high quality. I’m interested in projects where I could apply all my technical and communication skills. I have responsibility to manage projects and share my experience with young developers and help them to solve difficult problems.

    Associated with: ISS

    $36.11 /hr
    4,571 hours
    5.00
  3. Carmencita G.

    Carmencita G.

    Wordpress Expert | Senior Graphic and Web Designer | Wordpress Plugin

    Philippines - Last active: 3 months ago - Tests: 3 - Portfolio: 13

    I hand-craft creative Web and Graphic Solutions with Solid Strategies, User-Centered Designs & Powerful Technologies. I produce high quality results with the required and agreed time frame per job description. © Portfolio Site: http://gimutaowebsolution.com/

    $20.00 /hr
    72 hours
    5.00
  4. Oleg T.

    Oleg T.

    Expert Developer Coldfusion/Railo/PHP ExtJS Ajax jQuery SQL MySQL Css

    Belarus - Last active: 17 days ago - Tests: 4 - Portfolio: 5

    I participated in the development of three social networks from the scratch and some small projects. Biggest part of code I developed by myself from sketch drawing on paper to source code of functions and components. I am expert in coldfusion, php, mssql, javascript, jquery, ajax, html, mvc, yii, ext-js, photoshop, svn, git, google-maps. I always like analysing, architecting, designing, developing and bug fixing on the implementing of all types of websites and webapps. The main feature of my qualifying: 1) Hard-working 2) Punctual 3) Client Satisfaction 4) Honest 5) Goal Oriented

    Groups: Application Developers Alliance

    $21.00 /hr
    510 hours
    4.53
  5. Stephen K.

    Stephen K.

    Full-time, master developer with great front and backend capabilities

    United States - Last active: 10 days ago - Tests: 1 - Portfolio: 40

    ● I have a very high value for design; design is art and creative, user-friendly art is the heartbeat of any good digital product. Hire me if you want stellar aesthetic value for your website, app or other digital product. ● I am located in Maryland,USA ● I am an all-rounded full-time designer & developer ● I custom make websites & apps for many US & international clients every month ● Diploma in IT, Bachelors in Computer Science, Masters in Applied Computer Science ● Started web design in 2001 when Front-page was on top & there was no Facebook ● I work with a team as www.optimabranding.com/Portfolio & have produced many projects since 2005 ● CLEAN ─ TRENDY ─ VISUALLY RICH ─ FULLY FUNCTIONAL ─ GUARANTEED !!

    $19.00 /hr
    0 hours
    4.68
  6. Muhammad Ali Khan

    Muhammad Ali Khan

    Exceptional Web Developer, Vps Management with Couple Year experience

    Pakistan - Last active: 5 days ago - Tests: 2 - Portfolio: 1

    I'm basically Web developer with more than 2 year of experience in creating personal and corporate websites. I'm skilled in Php, Codeigniter, E-Commerce Systems, HTML5, CSS3, mySQL,wordpress, Opencart, jQuery, AJAX, Bootstrap, SEO, Google Structured Data or Microdata. Configuring Vps and Also managing vps and more.... I'm a hardworking person and always willing to deliver the best quality results in the shortest terms. My aim is to Help small and medium companies to build their successful online businesses utilising different platforms like Opencart and wordpress. If you think, i can work for your projects (wishes) and you want me to help it's VERY easy to get to me. Just click the top right hand hire button i will be happy to assist you

    $10.00 /hr
    0 hours
    5.00
  7. Hemant B.

    Hemant B. Agency Contractor

    Web / iPhone / Android / iPad Application Developer 10+ Years Exp.

    India - Last active: 7 days ago - Tests: 10 - Portfolio: 28

    TOP 25 Best Web & Mobile Designer / Developers for April 2013 Top Freelancer of the month of May and June 2014 As a Client, please answer few questions: * You have a project or a bunch of tasks, but you've got limited time for getting it succeed ? * Your project is unique and requires top-notch skills to be completed successfully ? * Are you trying to eliminate as much risk as possible, while getting your project done ?

    Groups: Yahoo Web Hosting Designer

    Associated with: Sharpwebstudio

    $16.00 /hr
    1,911 hours
    4.52
  8. Saiful I.

    Saiful I. Agency Contractor

    Motion Graphics,VMFX,Video Editing,PPT,Web Design, Data Entry Expert

    Bangladesh - Last active: 16 hours ago - Tests: 2 - Portfolio: 10

    Hi, Acquired 9 Years experience on Data Entry Specialist, Graphics Design, Video Editing/Production, Website Development Project, WordPress Support. Please, Please see the link about Sample which I have done: Company Product Animated Video Sample: https://www.dropbox.com/s/rketiaiwzksrhqx/Service%20professionals%20Final.mp4?dl=0 https://www.dropbox.com/s/5dexptvgc6qdmnv/Customer%20Video.mp4?dl=0 https://www.dropbox.com/s/34gle35dilwcyrj/Peter%20Project.mp4 https://www.dropbox.com/s/nyju5t4jtrm93ry/NIS%20%20Video%20without%20Voice.mp4 https://www.dropbox.com/s/5j7ili1oexuvkvn/Animated%20Video%20Sample.mp4 https://www.youtube.com/watch?v=xv90NDfSrew http://youtu.be/aDnny2BduR0 https://www.dropbox.com/s/3wy76cpe30c2d0m/Lets%20Talk%20Money.mp4 Introduction of Wesite Video Sample: https://www.dropbox.com/s/5aw8m88pqfwekf6/Customer%20Video.mp4?dl=0 https://www.dropbox.com/s/po5o8hhlbls18ju/Service%20Professionals%20Video.mp4?dl=0 https://drive.google.com/file/d/0BwwsSN2xqGIsQTBmRFNBSDRUZ2M/view?usp=sharing https://www.youtube.com/watch?v=xv90NDfSrew http://youtu.be/aDnny2BduR0 Flash Cartoon Animation Sample: https://www.dropbox.com/s/igincbgg42sq2bq/SIM%20Flash%20Cartoon%20video.swf?dl=0 Intro/Outro Video: https://www.dropbox.com/s/1zvycydpq0lwihd/View%20Abroad%20Intro%20Final.mp4?dl=0 https://www.dropbox.com/s/ajdrnpn6tvxpiz2/Ban%20video%20Intro%20corel%20raw%20q.%20mp4.mp4?dl=0 https://www.dropbox.com/s/pvi0geg1d1r398l/Beauty%20Logo%20Intro.mp4?dl=0 https://www.dropbox.com/s/29jcdvg64xmajzv/Intro%20for%20Philip.mp4?dl=0 https://www.dropbox.com/sh/tsrd1s34nqh6o1l/AAD_DRy7n_KDfdeCDZEFrAWja?lst https://www.dropbox.com/sh/0w133dyc4qje263/AAAt45Tz_gz5zY9xS7mvhpI3a https://www.dropbox.com/s/8ziqbugnljjr7a8/Adoption%20Intro.mp4 https://www.dropbox.com/s/muro7e2xd8k6wjf/Intro%203%20WITH%20SOUND%20%26%20END.mp4 https://www.dropbox.com/s/t3wwifyjsworod7/Intro.avi https://www.dropbox.com/s/e6057cchtmanlw7/Project%201%20Final.mp4 https://www.dropbox.com/s/ug8ich7ep6b4xn1/Project%202%20Final.mp4 https://www.dropbox.com/s/ak8aektya3s4fkx/Madison%20REIA%20Logo%20Intro.mp4 https://www.dropbox.com/s/nl8wboyu8na57de/Inhouse%20Intro.mp4 https://www.dropbox.com/s/6v3w8lxnvdbl42o/Elicit%20Harbal%20Chew.mp4 https://www.dropbox.com/s/h0svfoyjiyxnnkx/5%20Second%20Video%20.mp4?dl=0 Salon Video: https://www.dropbox.com/s/pavb5eggtgb2qqz/Salon%20Video%20Final.mp4?dl=0 https://www.dropbox.com/sh/up6tl6afa02s21q/AAAXLWmZQX2jigIAuAfcSnU0a/Salon%20Do%20or%20Dye%20Video%20-%20Right%20Side%20Logo%20-%202.mp4 Product + Voice over Video sample: https://drive.google.com/file/d/0BwwsSN2xqGIsQTBmRFNBSDRUZ2M/view?usp=sharing https://www.dropbox.com/s/0r5tk5m9zoftqe9/Munchweb%20Video%20With%20LoveClaw.mp4 https://www.dropbox.com/s/zobbz4qpbe2m2as/BILLBOARD%20VIDEO%20FINAL.flv?m Logo Added Sample: https://www.dropbox.com/s/p94x73i5xd1y3ol/Salon%20Do%20or%20Dye%20Video%20-%20Right%20Side%20Logo%20-%202.mp4 Logo Removed Sample: https://www.dropbox.com/s/9t7eeuyfuni62h7/Logo%20Removed%20From%20Video.jpg Graphics Design/Logo Design Sample: https://www.dropbox.com/sh/mbi5gdnwhhiswur/AADs5h7VsgEDyHwkQQD48RVBa?dl=0 https://www.dropbox.com/s/5r29p92fsrcqjfy/All%20Projecct%20Initiative%20Logo.jpg?dl=0 Blur Video: https://drive.google.com/file/d/0BwwsSN2xqGIsZTIxMGk1QnBrdDQ/view?usp=sharing https://www.dropbox.com/s/kocuzob5p0drxea/teaser-HD%201080p.mov https://www.dropbox.com/s/j62j5hp5byat6a3/TSE%20User%20Video.mp4 Exercise Video Sample: https://drive.google.com/file/d/0BwwsSN2xqGIsSjZ3SzR1QXBVd2s/edit?usp=sharing https://drive.google.com/file/d/0BwwsSN2xqGIsVUlZMUFkcElseG8/view?usp=sharing Edited videos: https://drive.google.com/file/d/0BwwsSN2xqGIsdWxtXzFoZ3U2UlU/edit?usp=sharing https://www.dropbox.com/s/wqee30rr982m4ww/2014%20Las%20Vegas%20International%20Home%20Based%20Business%20Conference.mp4 https://www.dropbox.com/sh/pj55hvkpawutnc1/AAB1oc2UQiV6QutNbabCjAqJa?dl=0 https://www.dropbox.com/s/neiztbi1o684dw5/Commercial%20Carpet%20Video.mp4?dl=0 https://www.dropbox.com/s/pi4hmg3dphnbc1i/Wildboys%20Video%20Final.mp4 https://www.dropbox.com/s/gsailnzrigzztpr/Dimond%20Ring%20HD.avi https://www.dropbox.com/s/8rxc6v3itic1exe/Video%201.mp4 https://www.dropbox.com/s/59tz88hf1hkw2uc/Salon%20Video%20Final%203.mp4?dl=0 Adult Video Create and Edit: https://www.dropbox.com/sh/y6op2fs30v0vhfe/AADB2pA-Hqctnwf6X2fRU6Tva?dl=0 Spoken Person Edited Video Sample: https://www.dropbox.com/s/wihqu77ai8z8ga7/Windows%20Replacement%20London%20-%20FREE%20Estimates%20-%20London%20Windows%20Replacement.mp4?dl=0 https://www.dropbox.com/sh/up6tl6afa02s21q/AAAXLWmZQX2jigIAuAfcSnU0a/Salon%20Do%20or%20Dye%20Video%20-%20Right%20Side%20Logo%20-%202.mp4 https://www.dropbox.com/s/ecy5fr1fbx488kv/Roofers%20Milwaukee.mp4 https://www.dropbox.com/s/ftme4crmbmmsazl/Affordable%20Atlanta%20AC%20Repair%20Pro%27s.mp4 https://drive.google.com/file/d/0BwwsSN2xqGIsLUdoTm1PY1BVZE0/edit?usp=sharing https://docs.google.com/file/d/0BwwsSN2xqGIsaDBMaE1na3dvYzg/edit https://www.dropbox.com/s/9naomhs47d1wiw4/test.mp4?dl=0 Approach Videos: https://www.dropbox.com/s/3t0x2jya51eoi3l/Private%20Investigator.mp4?dl=0 https://www.dropbox.com/s/bu48fxcynu182ob/1.mp4?dl=0 Cooking video: https://drive.google.com/file/d/0BwwsSN2xqGIsc003MnduajdnNnM/view?usp=sharing Text Animation: https://www.dropbox.com/s/de979lm26mnar62/Chiropractic%20Committee%20Video-REVISED.mp4?dl=0 https://www.dropbox.com/s/1oy1whw192wtmox/Text%20Animation%20Sample.mp4# https://www.youtube.com/watch?feature=player_embedded&v=lrwMDn58nBw https://drive.google.com/file/d/0BwwsSN2xqGIsV0ZxT1FUbmkyU2c/edit?usp=sharing https://www.dropbox.com/s/1oy1whw192wtmox/Text%20Animation%20Sample.mp4 https://www.dropbox.com/s/41nm6ov0lybwg22/Text%20animation.mp4 After Effect + Kinetic Video : https://www.youtube.com/watch?feature=player_embedded&v=lrwMDn58nBw https://www.dropbox.com/s/8hujxx1yhidfc2n/Aniya%20Rayes%20Global%20Hair%20Distributors%20Explainer%20Video.mp4?dl=0 https://www.dropbox.com/s/de979lm26mnar62/Chiropractic%20Committee%20Video-REVISED.mp4?dl=0 https://www.dropbox.com/s/nyju5t4jtrm93ry/NIS%20%20Video%20without%20Voice.mp4 https://www.dropbox.com/s/nl8wboyu8na57de/Inhouse%20Intro.mp4 http://www.youtube.com/watch?v=SDRa32EwiP0 https://www.dropbox.com/s/t3wwifyjsworod7/Intro.avi https://www.dropbox.com/sh/3tj4eudt6q3myqp/1jpvqLz_13 https://www.dropbox.com/s/ypgxfw7jaegymsx/Meet%20Michel.mp4 https://www.dropbox.com/s/uxoiedq9rizwlb0/Alternative%20video.mp4 https://drive.google.com/file/d/0BwwsSN2xqGIsRW95SjVXQzZvR0E/view?pli=1 Transition Video: https://www.dropbox.com/sh/pj55hvkpawutnc1/AAB1oc2UQiV6QutNbabCjAqJa?dl=0 https://www.dropbox.com/s/xmc2vlshr9gb02l/Luke%20Smith%20Family%20Holiday%20Tours.mp4 https://www.dropbox.com/s/owovwrigiubgozm/Auto%20Repair%20Video%20Final.mp4 https://www.dropbox.com/s/qxc1865k0hctwzj/Haidee%20Project.mp4 https://www.youtube.com/watch?v=TRH6bQmaLdM https://www.youtube.com/watch?v=tCny305idoI https://www.dropbox.com/s/9y98v20c5vrxr3p/BMW%20Project.mp4 https://drive.google.com/file/d/0BwwsSN2xqGIsRW95SjVXQzZvR0E/view?usp=sharing Improved Video: https://www.dropbox.com/s/lxzefv9d76ypo2i/Improved%20Video%20Sample.jpg https://www.dropbox.com/s/8dcejowxy8y4rdo/Improved%20Video2.jpg?dl=0 https://www.dropbox.com/sh/pj55hvkpawutnc1/AAB1oc2UQiV6QutNbabCjAqJa?dl=0 Subtitle Video: https://www.dropbox.com/s/86ezeojz70cd6fz/Sub%20Title.mp4?dl=0 Animation Video: http://animoto.com/play/ALi3M7PTV1rw5rmpwhp7UQ https://www.dropbox.com/sh/dvt9my2strhg93c/_VWqZJuQLQ/Intro%20video%20bt%20Saiful%20Islam.mp4 https://www.dropbox.com/sh/dvt9my2strhg93c/Bfgv6J_Gby/Intro%20Video%20by%20Saiful%20Islam.mp4 Dynamic PowerPoint Presentation Sample: https://www.dropbox.com/s/3bknnn34c7y7j1o/PPT.wmv https://www.dropbox.com/s/frroopln1ao41h2/Mobile%20APP%20Sample%20For%20PeekZING.mp4 https://www.dropbox.com/s/itzlxv2cy9wq6xk/Final.wmv https://www.dropbox.com/s/s96pxtoldwak2fv/ppt2.wmv https://www.dropbox.com/s/zvrapm9lrierwtq/Raymond%20Projecct.mp4 https://www.dropbox.com/s/yxafm7sfs378wej/How%20To%20A%20Doctor%20Get%20Slim.mp4?dl=0 Sync Video With Voice: https://www.dropbox.com/s/ow7z11mnmo25w96/Thrive%20Theme.mp4?dl=0 https://drive.google.com/file/d/0BwwsSN2xqGIsanE0WHBqcWx4cDQ/edit?usp=sharing https://www.dropbox.com/s/aqz2o09zi8iqg3c/PIP%20Presentation.mp4 https://www.dropbox.com/s/mthudwvifdouym3/Back%20to%20search%20results%20Convert%20PowerPoint%20Slides%20Into%20Video%20With%20Voice%20.mp4 https://docs.google.com/file/d/0BwwsSN2xqGIsaDBMaE1na3dvYzg/edit Screen Capture Video: https://www.dropbox.com/s/gplk60ar1c8rltf/Baby%20Hazel%20Laundry%20Time.mp4?dl=0 Prezi Presentation Sample: http://prezi.com/_zgoginjrhqw/managing-the-sale-of-your-business/ http://prezi.com/970wj8ieqmq3/created-by-saiful-islam/ http://prezi.com/kimorrxxpeqq/swimming-faster/ PowToon Sample Video: https://www.dropbox.com/s/3wy76cpe30c2d0m/Lets%20Talk%20Money.mp4 https://www.dropbox.com/sh/cdym48fd4vx4iro/EOi-OPAHwD#/ https://www.dropbox.com/s/3odn6ioy9ek12c0/Meet%20Jim.mp4 http://www.powtoon.com/presentoons/d68Achna7ul http://www.powtoon.com/presentoons/bbrIZZZSUQ2 Webnier Recorded Video: https://www.dropbox.com/sh/bo7f5fiw21lys3l/AADePSjEkuLlZ6i7DsQX-F-7a?dl=0 Board Describe Cartoon Drawing Video: https://www.dropbox.com/s/agujil7odf7wlix/How%20to%20earn%20money%20online%20from%20home.mp4?dl=0 https://www.dropbox.com/s/gbu973wzcoxn2gr/Sample.mp4?dl=0 https://drive.google.com/file/d/0BwwsSN2xqGIsX2tXYVlEMllPVjQ/edit?usp=sharing https://www.dropbox.com/sh/a48zsqc71b74icm/Y7z-M2SPCj?lst https://www.dropbox.com/s/syuyigoa6xvy078/Lead%20Video.mp4?dl=0 Website Sample:Website Design: www.aplsourcing.com www.appareloverseas.com http://mizan-groupbd.com/ www.capiconbd.org www.updatefashionbd.com/ www.city-cement.com www.avrorafashionbd.com http://dhgroupbd.com/ I also have some experience in the following areas: Google Office Application, Video Conversion, Adobe Premier, Adobe After Effect, Ulead Video Editing, Sony Vegas, 3D Cool Video, MS-Word, MS-Excel, MS-PowerPoint, Slider Rocket Presentation, Adobe Photoshop, Illustrator, SEO, Computer Hardware Maintenance, Online Computer Virus Removal, Computer Repair Business. Anti-Virus Related Software (Ex-Norton, Kaspersky, Avast Etc.) 3D Max, HTML, CSS, SQL, WordPress, PHP (Basic), Java Script (Basic), Ajax. Adobe Flash MX, Adobe Dreamweaver. My typing Speed is 45 WPM in English. I’ll make unlimited revisions until you’re happy. I am confident to say that my years of Working experience have proven that I am an employee who delivers tasks on time, every time...all the time. With Regards Saiful Islam (Colins)

    Associated with: The One IT Solutions

    $30.00 /hr
    4,934 hours
    4.74
  9. Meesum Zaidi

    Meesum Zaidi

    Software & Broadcast Manager (Wordpress, Joomla, Tricaster Specialist)

    Pakistan - Last active: 04/27/2014 - Tests: 1 - Portfolio: 3

    For a good period of time I have been working for Software and Video production. My expertise include Joomla, Wordpress, PHP, Mysql, AJAX, Visual Studio, Adobe Collection, Post Production and Broadcast Equipment. I have developed websites in Joomla, Wordpress, and Custom PHP-AJAX CMS Environment. I have worked on videos from recording till streaming/publishing over web. I currently own a small enterprise and I want to transform it to a large scale Information Communication Technology Solutions business.

    $10.00 /hr
    17 hours
    4.87
  10. Vikas M.

    Vikas M. Agency Contractor

    Microsoft Certified Senior Programmer with 8 Yr Experience

    Germany - Last active: 12/11/2013 - Tests: 6

    Developer with 8+ years Experience in Vb,C#Asp.net/PHP/AJAX,J2ME,Web Service,WCF,MVC4 Senior Developer with more then 9 year Experience in vb, 6yr experience in .net/c#. Also having strong knowledge in web development using asp, asp.net, php. 3 yr experience in mobile develoment using j2me and Blackberry. I am seeking opportunities to work in above areas.

    Associated with: dmexporter

    $16.67 /hr
    215 hours
    4.97