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. Jeric T.

    Jeric T.

    Creative Director, Producer, Web Hero

    Singapore - Last active: 1 month ago - Tests: 2 - Portfolio: 7

    15 years of experience in web development, UI/UX, web marketing strategist. 8 years of experience with MySQL, PHP, CSS, HTML and Javascript. 9 years of experience in music making. 8 music awards. Very good experience with Codeigniter and Wordpress. I'm a producer, web hero, entrepreneur who loves to create new things. With a few music awards under my name, I believe in the concept of fun, ease of learning, and the balance of complicated & easy ideas. All my creative work rely on these - especially when it comes to interfaces and experience for users & customers. I code, consult, write & sing. I believe that anything worth doing, is worth over-doing. I released my debut album in Taiwan, 2010. (See: http://fb.me/jericbook) I consulted for http://Garena.com for their online shop, helped design http://Shownearby.com, and built Zion / http://DotaPod.com from scratch, a gaming platform for gamers, with 190,000 members. Fluent in English & Chinese~ 真的。 I am currently Creative Director and Producer at CLE Media Productions, Singapore/Taiwan, and I run my own Web/Audio/Video Production Studio. I look forward to working with you.

    $48.00 /hr
    40 hours
    5.00
  2. Anatoly Alekseev

    Anatoly Alekseev

    Analyst and programmer

    Russia - Last active: 1 month ago - Tests: 47 - Portfolio: 7

    Expert in VBA/Excel/Visual Basic 6/SQL, interested in Cuda, Python. Have some C++ and ASM experience. I'll be glad to help with: Optimization and automating of business-processes. Developing of decision support systems, E-commerce systems, including data interchange between Ebay/Amazon/SmugMug/ custom CRM systems. Web scraping/crawling, automated retrieval of weakly-structured data. Implementing methods of artificial intelligence (expert systems, artificial neural networks, genetic algorithms),data mining. Natural language processing tasks (intellectual textual search, natural language generation, etc). Imitational modeling (especially financial models, gaming), prediction of complex systems. Distributed applications, high performance computing (scientific computations), cloud computing (Azure/Amazon). Software reverse engineering.

    $55.56 /hr
    15 hours
    4.99
  3. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 10 days ago - Tests: 6 - Portfolio: 9

    Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

    $45.00 /hr
    1,164 hours
    4.98
  4. Igor P.

    Igor P.

    PHP MySQL Yii CodeIgniter Zend developer, with 7+ yrs of experience

    Russia - Last active: 18 days ago - Tests: 7 - Portfolio: 14

    I am a web application developer specializing in PHP/MySQL, with 7+ years of commercial experience. Worked with the different projects - starting from a little web-sites and web-widgets to the big web-systems and services. My main qualities are reliability, persevering and patient. Tell me your ideas, we will discuss it and I'll give you a structure of the future system and a plan of work. I think there is nothing impossible - just are necessary time, money and the desire to work!

    Groups: PayPal

    $40.00 /hr
    9,683 hours
    4.99
  5. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 3 days ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,615 hours
    4.98
  6. Konstantinos Paraskevopoulos

    Konstantinos Paraskevopoulos Agency Contractor

    vTiger CRM ERP Expert

    Greece - Last active: 1 day ago - Tests: 1

    I am an Internet Technologies and Software engineer, specializing in Vtiger CRM / ERP planning, development and implementation. My 8 years experience in Internet Technologies and 5 years focusing on vtiger allows me to implement any vtiger customization. I have implemented various integration projects of vtiger with 3rd party applications using WebServices, such as Joomla, Jomres, Wordpress, Virtuemart, OsCommerce and more. The strong background on business process re-engineering and business process integration allows me to easily understand the business needs on their CRM / ERP application to ensure the customization success. In the past 5 years i have worked with various companies in different industries around the world to help the design and the implementation of their CRM / ERP systems. Integrating their individual business processes to the vtiger platfrom, i have developed many modules for vtiger in order to "digitilize" companies specific processes and workflows to Vtiger platform. My philosophy for CRM / ERP systems is summarized in the following principle: "You cannot manage something that is not measurable". Towards this principle i assist my clients develop a system where they can track down all the information flow produced by their business processes and also the tools to streamline them, providing all the necessary information (BI) to the right department / user. I enjoy helping companies create their own tailor-made software that reflects their real needs, allowing the business to effectively utilize their resources and automate trivial processes thus saving time and money, that they can invest in growth (that is after all what software can provide time / money).

    Associated with: Target Integration Ltd. Agency

    $100.00 /hr
    284 hours
    4.94
  7. Dimitar M.

    Dimitar M. Agency Contractor

    PHP / MySQL / CodeIgniter Developer, Project Manager

    Bulgaria - Last active: 26 days ago - Tests: 2 - Portfolio: 3

    Over the last years, I participated in building web applications with different scale and complexity. Started as developer, I have been in the role of team leader, consultant and software architect, too. My core competency are software architectures, but I like (and work on) design and user interface as well. I am seeking opportunities to build web apps or to join as consultant. I have experience with web applications with 10M+ monthly visits and would be eager to help.

    Associated with: Smartlytaken

    $50.00 /hr
    2,901 hours
    4.89
  8. Zeus P.

    Zeus P.

    UI Designer

    United States - Last active: 12/14/2010

    I've designed for Fortune 100 clients such as Blockbuster, McDonalds, Visa, and Edward Jones with print as well as online while launching a variety of sites such as Monster.com, CBSSports.com, Fantasy.CBSSports.com, CBSGames.com. I'm proud to have helped companies grow departments such as CBS Interactive and Zimmerman Interaction Group. I've also helped municipalities redesign their sites such as PRAD.org and HCPAFL.org. My skills include, SEO, web development, Flash, video editing, multimedia and programming technologies. I assist teams in building rich web experiences as well as desktop software while art directing brand and marketing efforts. At CBS Sports I participated in real world system processes, team work flows, communicating scope within departments, project management and turning user experiences into realities. My goals are set at creating user centric workflows with a high ROI by embracing web analytics, search results and keyword optimization to improve designs and human interaction while embracing social media as well as advertising. Currently I design infrastructure for a multimillion dollar web application for internal and external use. I lead phases of design, assist with technology, problem solve user heuristics and quality control during the development life cycle of the system. I've assisted each agency of my employment history to grow financially, evolve interactively and increase visibility. My belief is simple. If you achieve the best user experience, regardless of the medium, you can unite teams and reach goals collaboratively.

    $166.67 /hr
    0 hours
    5.00
  9. Asher S.

    Asher S. Agency Contractor

    Product Manager, Software Architect, Cloud & SaaS Architect

    United States - Last active: 05/19/2014 - Tests: 19 - Portfolio: 3

    [Background] I have worked as a consultant to various companies worldwide in high-tech IT related sectors such as Cloud & SaaS, Mobile eCommerce, Automotive & more. [Vision] I believe in working with the best of the best. I am looking for new challenges where I'm given a chance to build something new, creative and completely mind blowing. [Expertise] Over the 14 year span of my career, I have accumulated expertise in the following areas: - New Product Development - Operations research & management - Social Media Marketing & Strategy - Business Development - Information Security - Big Data & Analytics - Mobile App Development - Start ups - Anything and everything cloud related - Software Architecture for large scale applications And of course, I am familiar if not an expert, in all technologies such as Java, Ruby, PHP, .NET, SQL, NoSQL, Unix, Linux, Windows, AWS, VMWare, Xen, Asterisk etc.

    Associated with: ClickStrat Agency Agency

    $80.00 /hr
    4,027 hours
    5.00
  10. Mohammad khalid M.

    Mohammad khalid M. Agency Contractor

    Dev & Design Guru - PS, Illustrator, PHP, MYSQL, JQ, HTML5, CSS3

    Bangladesh - Last active: 4 days ago - Tests: 5 - Portfolio: 40

    I have 8+ years of experience. I can do php, mysql, ajax, javascript, CSS3, HTML5, PhotoShop, WordPress and much more. I have expertise on Design also. Although I am not a native English speaker, I can communicate in English quite well!

    Groups: Bluehost Developers and Designers

    Associated with: NashLab Agency, Alo Design

    $33.33 /hr
    1,572 hours
    5.00