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. Mikolaj R.

    Mikolaj R. Agency Contractor

    PHP Developer with Frond-End and JavaScript skills

    Poland - Last active: 11 days ago - Tests: 16 - Portfolio: 18

    I have worked as a PHP developer for about 7 years for now. My experience in working on a wide range of projects allowed me to work with large corporations like Adidas, Reebook and Unilever - that kind of clients are very demanding and expect performance to the highest level. Thanks to that cooperation I know how necessary thing is good communication. I worked in a team of developers as well as on my own, additionally, I have experience as a team leader. Worked on small projects and some bigger ones that took over a year to complete. I am very much familiar with the latest technologies such as: PHP 5x (OOP), MySQL 5x/Postgresql 8+ (usually with ORM if needed), MVC Frameworks, jQuery, Mootools, DHTML, CSS3, HTML5, Youtube/Facebook/Twitter API to integrate projects with social media. All my applications are SEO optimized to play good with google and easy to work with SEO companies.

    Associated with: Polcode

    $32.00 /hr
    2,428 hours
    4.70
  2. Igor Sukhinin

    Igor Sukhinin

    PHP, MySQL, xHTML, CSS, AJAX, MODX, Yii and CodeIgniter frameworks

    Latvia - Last active: 1 month ago - Tests: 9 - Portfolio: 11

    I have developed a lot of websites and web projects with different and complex functionality as a lead programmer / systems engineer / project manager. = Why choose me? = - More than 10 years of experience in IT/programming sphere; - Strong attention to the project details; - Work strictly according to the schedule and your requirements; - Good communication skills and deep understanding the client's/end user's needs; - Flexibility and ability to provide you valuable advices for your application/web project. = Technologies = - Expert in PHP, advanced in JAVA/Android - PHP Frameworks: Yii, CodeIgniter, Symfony, Slim and others - DBs: MySQL / MSSQL and others relational/non-relational DBs - Javascript: plain / jQuery - xHMTL / HTML5 - CSS2 / CSS3 = P.S. = I'm one of the leading members of MODX CMS community and MODX Ambassador in Latvia. I've also a good understanding and some experience in JAVA and especially in Android Mobile Development.

    $39.94 /hr
    14 hours
    4.75
  3. Eric S.

    Eric S.

    Senior Web & Mobile Expert

    China - Last active: 9 hours ago - Tests: 32 - Portfolio: 22

    Web Master with 8 years of experience in designing, developing, improving and maintenance. For the last 2 years, I worked on 3 projects as project manager & developer and led them to success. Always trying to complete project perfectly by suggesting innovative solutions. *** Areas of Expertise *** - Advanced programming and designing skills - Project Management - Risk Management and solving skills - Teamwork - Website Optimization, SEO *** Technical Skills *** PHP, Ruby, NodeJS, HTML5, CSS2/3, Javascript, Java, MySQL, Oracle, PostgreSQL, MongoDB, Wordpress, Magento, Ruby on Rails, Zend, Joomla, Drupal, YII, Laravel, JQuery, JQuery UI, VelocityJS, AngularJS, Greensock, ScrollMagic Bootstrap, SCSS, LESS, Responsive Design, Parallex Design, Redmine, GetFlow, Pivotal, Git, SVN, Github, General skill in Amazon Web Services, CPanel Management, Mojohost Management

    Groups: BigCommerce, BoonEx...

    $50.00 /hr
    10,857 hours
    4.95
  4. Christopher James

    Christopher James

    PHP Web App Developer: Any Framework, APIs and UI. 15+ years (USA)

    United States - Last active: 9 hours ago - Tests: 6 - Portfolio: 12

    Since 1998 I have developed dozens of web applications focusing on a wide-range of industries including custom search engines, affiliate marketing, real estate solutions and worker safety. As an autodidact, I pride myself on learning new technologies and continually improving my skill-set. As a freelancer, I believe in professionalism, clean code and representing my craft to the highest degree possible. On the server-side, Laravel is my current PHP framework of choice, although I am comfortable working with Zend, CodeIgniter, Cake and Yii. For the database layer, I have 14 years of experience with MySQL. On the client-side, I prefer jQuery, Backbone and Twitter Bootstrap. Although I am not a graphic designer, I know my way around the Adobe software suite. I write standard compliant HTML5 and CSS3. I have an eye for useable, clean and obvious functionality. I have experience with many APIs, including Amazon, Box.net, Infusionsoft, Facebook, Twitter, PayPal, eWay, Authorize.net and Google. I can write APIs from scratch and give your application a RESTful interface. I am seeking opportunities to build custom web applications from the ground up or taking an existing code base and improving upon it.

    $110.00 /hr
    6,681 hours
    5.00
  5. Yuriy P.

    Yuriy P.

    Expert web-developer PHP (ZCE) / Python JavaScript / HTML / CSS

    Russia - Last active: 1 day ago - Tests: 9 - Portfolio: 7

    Hi, I developed web applications for last 4 years using PHP, MySQL, xHTML, CSS, JS (native and with framework). I worked on absolutely new projects and maintained existed ones. I also have some experience in SQL, Ajax, OOP, JSON, XML and worked with different php frameworks (I prefer Kohana to build websites from the ground up).I'm seeking work to create awesome web applications. If you have some work for me - let's discuss collaboration.

    Groups: Zend Certified Engineers

    $33.00 /hr
    3,376 hours
    4.85
  6. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Last active: 1 month ago - Tests: 9

    I am seeking opportunities to build robust, well tested front-end solutions that require a lot of JavaScript. Here's a short list of bigger projects I have worked on over the last few years: - ING Developing a single page banking application in Backbone/Marionette. We're also using jasmine, karma, nodejs, express.js, gulp, requirejs, d3.js, jquery and many more. I'm a technical team leader of one of the Scrum teams, responsible for the transfer's section of the app. - William Hill William Hill is one of the largest bookmakers in the United Kingdom. I have developed a wide range of websites that required a lot of front-end scripting. I had a chance to work on a truly scalable solutions as the websites were in 24 languague versions. - AQA AQA is one of five Awarding Bodies which are recognised by the regulators of the public exams systems for England, Wales and Northern Ireland. I had the privilege of working in the AQA office in Guildford directly with the kind and professional AQA team who had a really positive attitude about the project. My work focused mainly on the implementation of a cut-up, which involved converting an HTML and CSS template into the proper syntax for the CMS, provided by a third-party company whilst reporting to the Project Manager for AQA's project.

    $40.00 /hr
    548 hours
    4.98
  7. Dorin Duminica

    Dorin Duminica

    Software Developer

    Romania - Last active: 2 days 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
    8,631 hours
    4.90
  8. Paolo B.

    Paolo B.

    Senior Coldfusion Developer

    United Kingdom - Last active: 20 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
  9. Hiep N.

    Hiep N.

    Expert on BOOTSTRAP,FLATUI,RESPONSIVE,CODEIGNITOR,WORDPRESS,MAILCHIMP

    Vietnam - Last active: 1 day ago - Tests: 4 - Portfolio: 23

    Nothing is impossible to me! This is my slogan. BOOTSTRAP,FLAT UI, RESPONSIVE, HTML5, CSS3, CODEIGNITOR,WORDPRESS,MAILCHIMP, CMSMS, WireProcess CMS, JQUERY, AJAX, Php/MySql, UI, Paypal-API is my full skill I am a Professional Web Developer and also a PROJECT MANAGER, I have been programming over 4 years and the past 3 years I've specialized in web development. I believe in quality and professionalism. I've experienced in Custom CMS, CodeIgniter, Bootstrap, Flat Ui, Responsive, Wordpress, CMSMS, WireProcess CMS, PHP/MySql, PSD, XHTML/CSS, HTML, HTML5, CSS3, Web Design, Jquery, JavaScript, Jquery mobile. I don't compromise with quality so that still I am learning for new technology and applying them for the best outcome. Most of my clients are regular and I believe in long term working relationship. So if you have a dream to own a wonderful website just pick me and I am here to provide you the best and effective support. We are very keen to make a very long term working relationship so quality and professional work is our main focus. Most of our clients are regular because we believe in quality not quantity. We always pay attention to our client and specification. So if you are looking for your website development just pick us and take the best quality of work.

    $33.33 /hr
    1,401 hours
    4.62
  10. Marcin M.

    Marcin M.

    Web Data Extraction and Regexp Expert

    Canada - Last active: 2 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
    2,454 hours
    5.00