AJAX Developers & Consultants

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Hire a freelance AJAX developer to add interactive functionality and flexibility to your website. Search our database of affordable Ajax experts to get your project started today.

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.

Browse AJAX job posts for project examples or post your job on Upwork for free!

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, 656 AJAX projects are completed every quarter on Upwork.

656

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 4.65.

4.65
Last updated: July 1, 2015
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  1. Valery V.

    Valery V.

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

    Ukraine - Last active: 1 day 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
    3,884 hours
    4.87
  2. Eugene Naydenov

    Eugene Naydenov

    Expert Python and JavaScript Engineer

    Ukraine - Last active: 12 days ago - Tests: 10 - Portfolio: 4

    Expert programmer, Scrum master, team leader. Looking for long term project on position of Senior/Lead software engineer. Preferred technologies: Python and JavaScript. I have over 5 years of experience in Python, Ruby, PHP, JavaScript, C/C++, C# and .NET (Windows Forms, WPF, WCF, ASP .NET), Java development. I also have a wide experience in the following areas: AJAX, SPA, SQL, OOP and OOD. I have skills of working with NoSQL and SQL-based databases such as MongoDB, Redis, MySQL, MS SQL Server, Oracle, FireBird, PostgreSQL, etc. Have good experience of writing the Node.js applications. Proficient in working with cloud solutions such as AWS. Past 3 years I've been working primary in a web-development area on position of lead software engineer with responsibilities of * Project and team management * Web application development * Testing of web application and its components * Reliability, security and performance of the server and the application You can find my CV in this document: https://docs.google.com/document/d/1lYhvx_Ugo1YPPquT8gTHqDx0ebxYZYOZ-GEQX8Nyepw/edit?usp=sharing

    $45.00 /hr
    6,703 hours
    4.98
  3. Dorin Duminica

    Dorin Duminica

    Software Developer

    Romania - Last active: 18 hours ago - Tests: 12 - Portfolio: 1

    Over the past 6+ years as a Delphi developer I have worked on database, desktop and web applications. I'm proficient in Delphi(version. 7 to 2010) and PostgreSQL. I have a very good analytical thinking and elegant taste for user interface. I also have experience with RTL, VCL(shipped, DevExpress, TMS), OOP, SQL. I'm constantly doing my best to improve my skills and learn new technologies.

    $38.89 /hr
    8,789 hours
    4.90
  4. Paolo B.

    Paolo B.

    Senior Coldfusion Developer

    United Kingdom - Last active: 17 days ago - Tests: 3 - Portfolio: 2

    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
    4,314 hours
    4.86
  5. Eugene Tsurcan

    Eugene Tsurcan

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

    Moldova - Last active: 18 hours ago - Tests: 8 - Portfolio: 38

    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...

    $41.11 /hr
    2,725 hours
    4.76
  6. Ky Huynh Cao

    Ky Huynh Cao

    Professional Web Developer 9+ Years of Web Development Experience

    Vietnam - Last active: 18 hours ago - Tests: 6

    I have been in the web development area for over 9 years till now. When I first came to the IT field, I started doing a PHP website which uses Smarty template engine. After that, I used Wordpress and then Joomla, Drupal and they gave me many chances. I spent ~5 years in an Australian company (PowerfulCMS) which has several Drupal experts and I'm the one in the company. I'm also skillful in below subjects: - PHP - NodeJS - Wordpress - Joomla - Drupal - Theming - SASS - Optimization - SEO - Database - JQuery, YUI, JExt, Scriptaculous, Dojo

    $45.00 /hr
    2,404 hours
    4.71
  7. Evgeny S.

    Evgeny S.

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

    Russia - Last active: 1 day 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
    2,313 hours
    5.00
  8. Victor V.

    Victor V.

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

    Russia - Last active: 2 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(AngularJS, 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
    6,150 hours
    5.00
  9. Marcin M.

    Marcin M.

    Web Data Extraction and Regexp Expert

    Canada - Last active: 2 days ago - Tests: 2 - Portfolio: 1

    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
    2,534 hours
    5.00
  10. Jovan C.

    Jovan C.

    Quality web development and software engineering

    Montenegro - Last active: 18 hours ago - Tests: 8 - Portfolio: 6

    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
    1,205 hours
    4.87