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, 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: June 1, 2015
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  1. Vira Balashova

    Vira Balashova

    Web Designer/Developer & UI Specialist

    Ukraine - Last active: 1 day ago - Tests: 10 - Portfolio: 13

    7+ years experience in next areas of specialization: Web Development skills: - ASP.NET/ASP/MS SQL server - MVC - AJAX - AS3 - Web Services - XML / XSLT - HTML, CSS, JavaScript - SEO Design skills: - HTML/XHTML, CSS, JavaScript - Cross-browser/cross-device optimization. - Responsive/mobile-first web design - W3C compliant - Photoshop - Flash Application Development Skills: - .NET - Desktop Applications, Windows Services Databases: - MsSQL - PostgreSQL Project Management & Methodology: - ORM - UML - Extreme Programming - Design & Enterprise Patterns

    $38.89 /hr
    2,531 hours
    5.00
  2. 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
    8,643 hours
    4.90
  3. 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
    12,472 hours
    4.59
  4. Jovan C.

    Jovan C.

    Quality web development and software engineering

    Montenegro - Last active: 1 day 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
    1,087 hours
    4.87
  5. 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
    2,293 hours
    5.00
  6. 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
    1,253 hours
    4.99
  7. James Stewart

    James Stewart

    Ruby on Rails, Magento, Shopify Developer

    China - Last active: 4 days ago - Tests: 31 - Portfolio: 38

    - Ruby on Rails - Javascript Node.js, Angular.js, Backbone, One page App Development - PHP MVC - Laravel, Zend, Yii, Symfony, CakePHP, CodeIgniter, Smarty eCommerce - Magento, CS Cart, Virtuemart - DBMS - MySQL, PostgreSQL, Oracle, MSSQL - Subversion Tool : Git, Tortoise SVN - Design Tool: Photoshop - Payment Gateway : Authorize.net, Paypal - API Integration: Facebook API, Twitter API, Google API, Google Map, Social Networking, Social Engine

    Groups: BigCommerce, JomSocial...

    $50.00 /hr
    8,080 hours
    4.88
  8. Andrey E.

    Andrey E.

    Web Scraping Expert and PHP Web Developer

    Russia - Last active: 1 day ago - Tests: 7 - Portfolio: 12

    I'm web scraping expert/full stack developer with 7+ years of commercial experience. I'm good problem solver holding M.S. in maths and computer science. Today I'm offering webscraping/php/javascript services as a freelancer. My main skills: • Web scraping, parsing, automation, data processing • Simplehtmldom, Goutte, Symfony Browser Kit, Cheerio, CasperJS, Regular Expressions, Xpath • PHP, JavaScript, Java, NodeJS, PhantomJS, LUA • HTML5, CSS3, LESS, Bootstrap Framework • MySQL, MongoDB, Redis • Memcached, ZeroMQ, ReactPHP • SocketIO, Websockets • REST, SOAP, XML, JSON • Matlab, Wolfram Mathematica • Jquery, KnockoutJS, BackboneJS, RequireJS • Prestashop, OpenCart • Experience working with APIs: Ebay, Spotify, Amazon AWS, Amazon MWS, Flickr, Facebook Graph, Vk.com, GitHub, Instagram and several others • Git, SVN • Apache, Nginx, Curl • Amazon AWS • Linux, Vagrant • Understanding of OOP principles and software design patterns • Teamwork experience My github account is https://github.com/256cats My blog: http://256cats.com/ Over the years I’ve developed a lot of web scrapers of different complexity mostly using PHP (simplehtmldom, browserkit) and NodeJS/PhantomJS (casperjs). Some were simple regex-based and others were complex distributed systems with multiple proxies and Amazon AWS support. Also I developed a wide range of websites using PHP, HTML, JavaScript, CSS and MySQL including several e-commerce websites (+ Prestashop, Opencart). I built sites both from scratch and using frameworks, developed custom modules and extended existing ones for my clients. I have experience in PHP/MySQL performance tuning. Last two years I was working as MMO game (Clash of Clans/Heroes of Might and Magic-like mechanics) logic/backend developer. I’ve implemented distributed message queues, realtime leaderboards with Redis, Mysql, PHP. Developed battle-related algorithms (game unit classes, attack/defend, shortest path, quadtree). Then I’ve done some frontend development, e.g. – developed embeddable javascript classifieds widget and fitness/health single page web application with realtime updates/notifications (HTML, CSS, JavaScript, Jquery, Knockout.js, MomentJS, REST, AJAX, Socket.io).

    Groups: Coding Champs

    $39.90 /hr
    156 hours
    4.98
  9. Arthur K.

    Arthur K.

    Shopify, Bigcommerce, Javascript, HTML/CSS developer

    Ukraine - Last active: 1 day ago - Tests: 5 - Portfolio: 12

    I'm a web developer. Mostly Shopify developer. I built my first website in 1999. At first it was just a hobby, and then web development became my main job. I have a solid experience both in Front-end and Back-end development. I'm skilled in HTML, CSS, JavaScript, Jquery, PHP, CodeIgniter, AJAX. I have a degree in Finances which helps me to have an eye for E-commerce. So, last 2 years I have mostly dedicated to the web store development on Shopify platform. Therefore, I have built and customized more than 30 Shopify websites using my knowledge of Liquid, Front-end and Responsive design. I also build Shopify APP by means of Shopify API. I've succeeded in becoming BigCommerce Partner and Shopify Partner. My code is always clear and compliant to W3C standard. I never stop developing myself and always aim to reach higher heights. I'm always ready for new challenges and solving complicated tasks and learning new horizons give me delight. If you decide to work with me, you'll be pleasantly surprised by receiving high quality result. I'm always open for communication, so feel free to contact me to discuss your projects. Looking forward to your messages.

    $50.00 /hr
    1,150 hours
    5.00
  10. Attinder Pal Singh

    Attinder Pal Singh

    Wordpress expert, HTML5, CSS3, PHP, Web developer, Web designer

    India - Last active: 1 day ago - Tests: 16 - Portfolio: 16

    Wordpress is my life. I literally spend 8-10 hours every day on Wordpress. I have over 7 years of experience in wordpress. Why Would You Hire Me? 1. I am an Upwork Verified Web Developer and Top Rated Web Developer. 2. I have successfully completed over 200 Jobs on Upwork with 2000+ Upwork working hours. 3. My work is always of the highest quality. 4. I work full-time. 5. I am very reliable. 6. I am a good communicator. 7. I always meet tight deadlines. 8. I assure job satisfaction from beginning to end. 9. The quality of my work helps maximize excellent ROI for my clients. 10. I truly love my work and enjoy having happy clients from all over the world. ====== My WordPress Skills======= ✓ WordPress Custom Web Design. ✓ WordPress Template Web Design (including Woo Themes, Theme Forest, Elegant Themes, Genesis Framework, X Theme, Avada Theme and Weaver Theme) ✓ Responsive WordPress Websites. ✓ WordPress Ecommerce Site. ✓ WordPress Multi-Site. ✓ WordPress Install and Setup. ✓ Genesis Framework. ✓ PSD to WordPress. ✓ WordPress upgrade. ✓ WordPress Theme Install and Customization. ✓ WordPress Optimization ✓ WordPress Bug Fixes. ✓ WordPress & Mysql Bug Fix.

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    $35.00 /hr
    2,190 hours
    4.97