Ajax, or Asynchronous JavaScript and XML, is a powerful development technology used to create faster and more dynamic web applications. This means that an AJAX developer or engineer helps businesses create the most responsive web experiences for users. Through its interaction with the server, AJAX can improve the performance of web applications, aiding in loading time and overall responsiveness. With Ajax, web developers can create complex user interfaces from multiple data sources that use far fewer resources than traditional web-based applications. Ajax-enabled applications also tend to be more accessible, being compatible with a wide range of browser technologies such as HTML, CSS and JavaScript.

An AJAX Developer's expertise helps to build look attractive but simple user interfaces. They take complex application architectures and make them simpler for users by defining how to collect data from different sources and how to display it in a unified interface. They also make sure that their applications are device-independent and compatible with their intended devices.

Here’s some projects that our expert AJAX Developers made real:

  • Creating login pages quickly and securely
  • Building hotel websites with powerful API integrations
  • Designing efficient user interfaces to enable sorting of posts
  • Facilitating likert scale forms using modern frameworks
  • Developing single pages using databases, PHP, and libraries like Handsontable
  • Constructing efficient digital download scripts using core PHP
  • Expertly uniting CSS, Bootstrap, MySQL, AJAX, and JQuery
  • Crafting easy Shopify buttons for adding subscription products

Freelancer has the perfect AJAX Developer for your project needs. Having someone on-hand who is knowledgeable in asynchronous request handling makes online experiences smoother for everyone involved. From simple page elements right through to complex application architectures, an expert AJAX developer can bring your website ideas to life. Why not post your project today on Freelancer and get started on your way to improved website performance?

From 278,104 reviews, clients rate our AJAX Developers 4.84 out of 5 stars.
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    I'm in immediate need of a highly skilled React Native developer with experience in PHP to urgently address and fix issues with expo-notifications in our project. We have a critical demo scheduled for 9 AM EST tomorrow. The selected developer must be able to start immediately, use a time tracker for all billed hours, and ensure the solution is fully functional by the deadline. Please apply only if you have specific expertise in React Native and PHP, and can work efficiently under tight deadlines. Direct experience with expo-notifications is a must. No inefficiencies or unnecessary complexities - straight to the point execution needed.

    $14 / hr (Avg Bid)
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    I acquired a PHP script from Codecanyon and seek a skilled developer to enhance its capabilities. The primary tasks involve implementing robust data validation mechanisms and integrating a specific condition for the calculator functionality. Project Requirements: Data Validation: Strengthen the script's data validation process to ensure accuracy and security in handling user inputs. Calculator Functionality Enhancement: Customize the existing calculator feature to include a specific condition, optimizing its performance and usability.

    $12 (Avg Bid)
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    I am in need of an experienced web application developer who can help bring my project to life. The ideal candidate should have a strong background in front and back-end development, with a focus on the following key areas: Key Project Details: - User Authentication: The application should have a secure user authentication system, ensuring that only authorized users can access specific features. - Database Integration: A robust database backend is essential for this project. The developer should have experience in designing and working with databases to ensure optimal performance. - Payment Gateway Integration: The successful candidate will be responsible for integrating a payment gateway into the application, ensuring smooth and secure transactions. Desired Skills: - Proficient in JavaS...

    $725 (Avg Bid)
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    46 bids

    we are looking for a senior experienced PHP developer with a minimum of 15 years of experience Skills and Experience MUST HAVE: - 15+ years of core PHP development experience. - Proficient in Laravel framework. - highly knowledgeable in php programming and experience SQL Injection prevention/fixing - Finding and Securing any loop holes in the system - **must be an independent developer, not an agency! - must be able to work on github - lastly making sure platform is mobile responsive Must have experience in social media or multi-user platform, chat system, ecommerce platform *******We will only hire independent freelancer. If you are an agency, if you are a marketing person or project manager and will delegate the work to someone else, meaning, will subcontract the job to someone else ...

    $6 / hr (Avg Bid)
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    **Project Title:** Transfer and Enhance PHP/Mysql/Ajax Team Organisation Tool to Flutter Web App **Project Description:** We are seeking a skilled developer to assist in migrating an existing PHP/Mysql/Ajax Team Organisation Tool to Flutter, with the aim of releasing it as a web application. The primary objectives of this project include implementing a robust user authentication system, enhancing work organisation capabilities through calendar events, introducing user profile management for self-updating special user data, incorporating team management by assigning role models such as Teammember, Teamorganiser, Controller, Boss, and Admin, adding communication options to send team emails, chats, SMS, and WhatsApp messages, including timestamp functions for each team member with a summary ...

    $1218 (Avg Bid)
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    I need a WooCommerce plugin that will enforce a time limit on the user's cart with specific products. - **Product Specification**: The plugin should allow me to specify a particular product for time-limited checkout. - **Time Limit Enforcement**: The customer should be prompted to complete the purchase before the time limit expires. - **Automatic Removal**: If the customer exceeds the time limit, the specified product should be automatically removed from the cart. Ideal Skills and Experience: - Proficient in WooCommerce and WordPress Plugin Development - Competent in PHP, JavaScript, and MySQL - Previous experience in developing time-limited cart functionalities is preferred - Strong understanding of e-commerce practices and customer experience.

    $162 (Avg Bid)
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    131 bids

    (INDIVIDUAL PERSON) Its remote job. I need a Full-time talented .Net Core Angular developer. The finer details are unsure, primarily because the main function of the application hasn't been determined yet. Experience: 3+ Year budget is only 25k to 35k Per month. Ideal Skills: - Expertise in .Net Core Angular - Strong understanding of business-oriented applications - Can work with ambiguous project details - Proficient in problem-solving and brainstorming Please be comfortable working with loose project details, as the direction of this project may pivot as we collaborate on the final application's purpose and function.

    $367 (Avg Bid)
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    I need a raspberry pi that can operate via 5G LTE as well serve as my mobile computer. I need the Raspberry pi to have 8GB Ram & 1TB of storage if possible. I need the size to stay small like an Intel compute stick.

    $160 (Avg Bid)
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    Hello world Of computing did by Yuri yourself.?. We and my assistant namedpeople need Exchange widgets stuffs, from computer and payment methods like ebay.com.

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    2 bids

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