AJAX Developers & Consultants

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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, 697 AJAX projects are completed every quarter on Upwork.

697

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 4.63.

4.63
Last updated: May 1, 2015
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  1. Evgeny S.

    Evgeny S.

    AJAX, C++, Python, C#, Client-Server

    Russia - Last active: 3 days ago - Tests: 4 - Portfolio: 1

    I am independent C++/Python/C#/Java developer and I am looking for the opportunity to design and build a system from the ground up for you. I have experience with following technologies: - C++, Python, JavaScript, C#, Java, Scala - Nginx, Gunicorn, Gevent, Django, Flask, jQuery, Twitter Bootstrap, Apache. - MS SQL, DynamoDb, Amazon SDB, MySQL, Redis, SQLite, NoSQL. - Linux, Amazon EC2, SQS, SNS, S3. - Win32 API, Android, NDK, GTK, HTML5, WinForms, MFC, VCL - Git, SVN, Mercurial. I'm also eager to extend my experience in cutting edge technologies and programming languages like Rust, Golang, Erlang, Haskell...

    $50.00 /hr
    2,237 hours
    5.00
  2. Valery V.

    Valery V.

    PHP / MySQL / AJAX / Smarty / Joomla / SocialEngine / WordPress dev

    Ukraine - Last active: 6 days ago - Tests: 4

    I am experienced full stack web application developer(over 8 years). I’ve created a number of complex systems including dating sites, social networks, e-commerce sites, inventory management systems, scheduling systems, forum applications, and internal organizational systems. I have Master Degree in Computer Sciences and strong technical background as well as a keen eye for design. My feedback is 5 stars because: • I always stick to deadlines, • I have an excellent communication skills, • I'm available almost 24/7 via Skype, • I have a stable internet connection, • I love to turn clients ideas into reality. Looking forward to a long term relationship.

    Groups: Bluehost Developers and Designers, SocialEngine

    $40.00 /hr
    3,890 hours
    4.87
  3. MD. ISMAIL HOSSAIN

    MD. ISMAIL HOSSAIN

    Wordpress Theme & Plugin Expert

    Bangladesh - Last active: 4 days ago - Tests: 11 - Portfolio: 62

    I am 5 Star full-time developer and i promise your satisfaction or money back. Availability: I am available 10-12 hours per day. Also i am available 7 days per week. I promise:- 1) Good Communication 2) Fulltime service 3) Best Quality I am expert Wordpress developer with over 5 years experience on PHP, Wordpress, Joomla, Magento, MVC and OOP. I have great experience on Wordpress Woocommerce, Wordpress Theme Customization and Wordpress Plugin Development. ====== My Wordpress Skills======= Wordpress install and setup, Wordpress Upgrade, Wordpress Web Design, PSD to Wordpress, Adding image slider to Wordpress, Wordpress Ecommerce site, Wordpress theme install and customization, Wordpress plugin install and customization, Wordpress template development, Wordpress custom module development, Wordpress extension development, Wordpress & Facebook integration, Wordpress Optimization, Wordpress Bug Fixes, Wordpress Support and Maintenance, Wordpress & Mysql Bug fix, Wordpress to Wordpress, Wordpress admin customization, Wordpress add function to admin panel, Wordpress plugin development , Wordpress custom post type creation, Wordpress woocommerce site developement, Wordpress custom theme, child theme, ====== My Magento Skills======= Magento extension development, Magento ecommerce design, Magento theme customization, and so on. ====== My Joomla Skills======= joomla extension development, joomla module and joomla plugin dev, joomla template customization, joomla upgrade, jomsocial, joomla lovefactory component configuration.

    Groups: BigCommerce

    $33.33 /hr
    1,241 hours
    4.99
  4. Jovan C.

    Jovan C.

    Quality web development and software engineering

    Montenegro - Last active: 1 day ago - Tests: 8 - Portfolio: 4

    I am an experienced PHP developer with a degree in engineering/telecommunications. Apart from PHP, I have expert knowledge in MySQL and excellent knowledge in Javascript/jQuery, HTML and CSS. I am well versed in MVC software architecture and several PHP frameworks, as well as WebSocket technology. I develop scalable, secure, object-oriented web applications with efficient database structures. I also have experience in managing projects, hiring and overseeing staff. My English is excellent and I can provide updates as often as needed when I work. Communication will never be a problem.

    $55.56 /hr
    988 hours
    4.87
  5. Aleksey S.

    Aleksey S.

    C++/C#/.NET/web developer, algorithms/financial/math expert

    Russia - Last active: 1 day ago - Tests: 9 - Portfolio: 12

    I'm a software/web expert developer/architect with 10+ years of experience, including: - software development: .NET, C#, VB, C/C++ (MFC, STL, ATL, COM, GDI/GDI+, OpenGL, DirectX), - web development: both reach front-end and complicated business logic, ASP.NET/C#/VB/LINQ, HTML/CSS(tableless design)/JavaScript/AJAX/jQuery/ExtJS, SilverLight, PHP/MySQL, Flash/ActionScript, - financial software development: real-time algoritmic trading, historical data processing, stocks/indexes/bonds/derivative instruments/complex contracts/etc, integration to financial market broker's APIs: NinjaTrader, Interactive Brokers, CQG, etc, - math-intensive projects: complicated algorithms, reverse engineering, scientific research, Artificial Intelligence (AI) based methods. My objective is to provide high-quality services in the IT area. I'm self-motivated to do more than just simply do my job: I pay attention to customer and end-client needs to follow it better, try to predict future possible difficulties in advance and avoid them, able to make suggestions to improve project workflow and functionality, able to manage team and assure source code quality, able to work under different conditions including strong time and budget constraints. Regards, Aleksey.

    $33.33 /hr
    14,961 hours
    4.59
  6. Humayun H.

    Humayun H.

    Expert iOS Dev

    Pakistan - Last active: 1 day ago - Tests: 3 - Portfolio: 6

    I'm an iOS developer skilled with all the tools required for the art of creating marvelous Apps. I have a passion to create wonderful and eye-catching Apps that appeal to both the users needs and senses. Having a Computer Science background, the basic blocks of designing and development come as second nature to me and that combined with my avid interest in exploring new techniques and technologies makes me someone you can count on to deliver quality products.

    $60.00 /hr
    1,450 hours
    5.00
  7. Paolo B.

    Paolo B.

    Senior Coldfusion Developer

    United Kingdom - Last active: 4 days ago - Tests: 3 - Portfolio: 3

    ODesk / Elance preferred No 1 English Coldfusion Developer... Are you looking for value and quality? Then I'm your guy. I am a Senior Coldfusion Developer with 13 years experience and am also the creator of Fusemox (http://fusemox.com) - a lite Coldfusion framework that helps small-medium businesses and developers set up a well structured website quickly and with ease. I have been developing web applications primarily in Coldfusion for more than 13 years. I have a strong technical background as well as a keen eye for design which is unusual for a software engineer. My strongest skills are Coldfusion and Railo, Fusebox, MySql, XHTML and JQuery. I also have a good background in ASP.NET (C#) and SQL Server.I am self sufficient and a focused and efficient worker. I also have excellent communication skills. My strong front-end and back-end experience should make me a great addition to any web development team. I have spent the last 10 years as a full time employee, with the last 6 as the development lead and architect at a development house that did work for a government agency as well as other big corporates. I have since decided to get out of the rat race and work on a freelance basis which allows me more freedom and also allows me to gain more experience and a broader range of skills.

    $55.56 /hr
    4,302 hours
    4.86
  8. Eugene Tsurcan

    Eugene Tsurcan

    Senior Front End - Ruby On Rails, HTML5/CSS3/JS, HAML/SASS, Responsive

    Moldova - Last active: 5 hours ago - Tests: 8 - Portfolio: 37

    I am a Front End developer with extensive experience (5+ years of professional experience). I am aiming at getting opportunities to provide oDesk employers with my expertise, contribute to their success and build up reliable long-term partnership with them. I'm seeking interesting projects Full Time and Long Terms. Skills: ✓ Responsive web design for mobile or any display resolution (media queries): Multi-Device Web Layout Pattern (Off Canvas) and Mobile-First styles; ✓ Strong SASS/SCSS & LESS skills using mixins and calculations; ✓ Sass Mixin Libraries: Compass and Bourbon; ✓ Responsive CSS Frameworks: Bootstrap 2/3, Foundation 3/4/5, Skeleton; ✓ JS Frameworks: Jquery, Angular.JS, Dojo; ✓ Experience with Ruby On Rails: HAML, CoffeeScript, RVM; ✓ Strong HTML5 knowledge of new tags such as figure, article, section and when to use them; ✓ Cross browser compatibility with a specific focus on HTML5 shims (html5 shim, modernizr etc) for older browsers (FF 3+, IE 7+, Opera 9+, Safari/Chrome); ✓ CSS3 gradients, transitions, animations etc.; ✓ Strong Grid Systems: Fluid grid, Static/Fixed grid and Magic grid (Bootstrap, Foundation, SUSY, 960, FrameLessGrid, 1140 etc.); ✓ Experience with Parallax Effects (Stellar.js), Kendo UI, TinyNav, fancyBox; ✓ PSD, Fireworks, Illustrator to XHTML (HTML5, CSS3); ✓ Design Integration; ✓ Valid, semantic markup; ✓ Optimized for load speed markup; ✓ Experience in Git, HG, SVN, FTP (Github, Bitbucket); ✓ Experience with different platforms: Ruby On Rails, BigCommerce, CodeIgniter, Wordpress, CS-Cart, Drupal, Django, SquareSpace, Zend Framework, ASP.NET etc.; ✓ Templates Engine: Smarty, Jekyll; ✓ PHP/MySQL/Ajax - basic knowledge;

    Groups: Application Developers Alliance, Corona Labs...

    $35.00 /hr
    2,426 hours
    4.76
  9. Marcin M.

    Marcin M.

    Web Data Extraction and Regexp Expert

    Canada - Last active: 3 days ago - Tests: 2

    Software Developer specializing in Web Data Extraction and Manipulation. Expert in web data retrieval (web scraping), data manipulation (using regular expression parsing) and website change monitoring. • Fluent in English, French, Polish, and Spanish. • Government of Canada Secret Security Clearance (avail. on request). • Very organized, innovative, and dedicated to work. • Excellent communication skills (both written and spoken). • My TV interview: youtube.com/watch?v=MmRkoF3IaQ8 My objective is to deliver quality solutions and leave my clients satisfied.

    Groups: Crossrider

    $33.33 /hr
    2,422 hours
    5.00
  10. Victor V.

    Victor V.

    Java/J2EE/ SQL / Software Architect/ Sencha Extjs Developer/ AngularJs

    Russia - Last active: 3 days ago - Tests: 5 - Portfolio: 2

    ✔ Java, J2EE, Spring (MVC/Security/Rest), JSF, Hibernate, Hibernate Search(Lucene), JSP, JSTL, Apache Tomcat ✔ MySQL, Oracle, PostgreSQL ✔ Javascript, AngularJS, doT.js, Sencha(Extjs 4.x), jQuery ✔ HTML5, CSS3 ✔ SVN, GIT I'm an experienced Java programmer with solid principles in programming, architecture and code quality. Working in web development for over 7 years I gained considerable experience in building business solutions using such languages as Java, Javascript(ExtJs, JQuery), SQL, Bash-scripting, HTML5, CSS3. Over the last four years I have been working for such companies as "Firejack Technologies", "Bank of America", "Millenial Media" etc, so i gained considerable experience in the designing of web applications architecture. I like to learn new technologies, frameworks etc, so research projects will be also interested for me.

    $35.00 /hr
    6,001 hours
    5.00