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 276,854 reviews, clients rate our AJAX Developers 4.85 out of 5 stars.
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    I am on the lookout for a JavaScript developer with a strong background in jQuery, React, and Bootstrap, along with a solid understanding of HTML structures. My project revolves around manipulating a tree view pull-down, specifically in terms of dynamically loading parent and child nodes from an HTML page. The nodes are structured as nested lists (ul li). ### Ideal Skills and Experience: - Proficient in Javascript , jQuery , Ajax and React. - Experienced with Bootstrap and HTML. - Familiarity with manipulating nested lists (ul li) structures. - Capability to dynamically load data into a tree view structure. ### Key Project Requirements: - Modify the existing tree view to support dynamic loading of parent and child nodes. - Ensure that the tree structure is implemented with nested lists ...

    £122 (Avg Bid)
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    34 bids

    I'm seeking a seasoned CodeIgniter developer to enhance my current project. The enhancements required include user authentication and authorization mechanisms, performance optimization, and integration with third-party APIs. The project currently suffers from slow page load times, a lack of scalability, and some bugs that need fixing. Specifically, extra fields and functions which can be any type such as text, date or dropdown need to be added. I envision this as a long-term collaboration that goes beyond this project. The ideal candidate for this role should have substantial experience with CodeIgniter, Performance Tuning, API Integration, and Database Management. An excellent understanding of user authentication, authorization, and web optimization techniques is also necessary.

    £19 (Avg Bid)
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    31 bids

    I'm seeking an experienced web developer to create a sophisticated courier tracking website that integrates live GPS tracking to cater to delivery personnel, customers awaiting their packages, and logistics managers. The essence of this platform is to enhance operational efficiency and customer satisfaction by providing real-time visibility into courier movements and delivery statuses. **Core Requirements:** - **GPS Tracking Integration:** Implement a reliable GPS tracking system that captures and displays the real-time location of couriers to all users. - **User-Specific Interfaces:** Develop tailored interfaces for different user roles: - **Delivery Personnel:** Access to route optimizations and nearby delivery notifications. - **Customers:** Ability to track their packages in...

    £360 (Avg Bid)
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    43 bids

    DO NOT BID - I am aiming to significantly improve user experience on my website through a navigation overhaul. The end goal is to create a responsive design that is both intuitive and user-friendly.

    £18 (Avg Bid)
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    11 bids
    Matka Gaming Site Development 4 days left

    I am on the lookout for a proficient web developer experienced in designing gambling websites. The prospective developer will be required to design an online matka website with meticulously detailed features such as single digit game, double digit game and Jodi game. Essential Skills and Experience: - Proven experience in designing gambling or gaming websites - Ability to create unique, user-oriented web design Key Deliverable: - A fully functional online matka website with the mentioned games Application Requirement: Freelancers applying should provide a detailed project proposal, including the layout, timeframe, cost estimation, and how they plan to meet the requirements of this project. User Interaction: The website should offer a high level of user interaction such as user accou...

    £87 (Avg Bid)
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    6 bids

    I am in need of a proficient developer, specifically experienced in Core PHP and AJAX, to incorporate dynamic content loading functionality into my platform. Experience in this combination of tech stack is highly valued. Desired Functionality: - Dynamic content loading with AJAX: This is essential to the project. Please note, the exact types of content and the specific purpose of implementing dynamic content loading have been left open. I welcome your professional input on this and look forward to discussing your experience and ideas. The result should produce a more interactive, engaging user interface and potentially load pages faster. Ideal Skills: - Expertise in Core PHP - Extensive Knowledge in AJAX - Familiarity with interactive elements and widgets - Experience with UI/UX desig...

    £12 (Avg Bid)
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    12 bids

    I am currently seeking a skilled and experienced CakePHP developer who can assist in upgrading my project to the latest CakePHP framework version 4.2 while integrating specific improvements. **Core Requirements:** - Upgrade to CakePHP version 4.2 with an emphasis on: - **Improved Performance**: My project needs to be optimized for speed and efficiency. - **Enhanced Security Features**: Implementing the latest security protocols to safeguard data. - **Updated Documentation**: To ensure maintainability and future updates are seamless. - **AJAX Integration**: - Utilizing **jQuery**, the project requires AJAX post requests to be sent to the controller. - The data format for the AJAX request will be **JSON**, specifically focusing on **selected option values** from the webpage. ...

    £13 (Avg Bid)
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    6 bids
    ONE PAGE WEBSITE 1 day left

    Create a ONE PAGE WEBSITE that shows high quality premium domain names for sale with a price and contact form. There should be some sort of way to add and edit the domains that are listed as well.

    £84 (Avg Bid)
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    49 bids

    I'm looking for an experienced web developer to create a minimalist e-commerce website for selling physical products. An understanding of product display, efficient browsing, and smooth transaction flow is ideal. The site must integrate unique payment methods like PhonePay and Google Pay. Previous experience in minimalist design and e-commerce platforms is a must for this project. Key requirements include: - Robust and user-friendly shopping platform development - Integration of PhonePay and Google Pay for transactions - Implementing a minimalist design to enhance user experience - Experience in handling e-commerce platforms is a plus.

    £240 (Avg Bid)
    £240 Avg Bid
    41 bids

    I need assistance in customizing the wallet configuration on my BTCpay setup. The task will primarily focus on configuring design and file location settings according to my personal preferences. The timeline for completion was not specified, providing a bit of flexibility. However, as this project supports the main transactions flow, I am keen on ensuring things are completed in a thoroughly efficient manner. Notably, I am looking for individuals, who in addition to relevant experience with BTCpay, uphold righteous moral values. Having a relationship with Jesus Christ holds significant weight for your consideration in this project.

    £18 / hr (Avg Bid)
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    77 bids

    I am in need of a unique, neatly structured HTML table that mimics the functionality of Excel. The table should consist of both rows and columns, with particular attention to two columns that will feature dropdown lists. Here are the specifics: - Dropdown Lists: Two columns should consist of dynamic dropdown lists, filled with data from a MySQL table. As this question wasn't elaborated further, I assume the functionality should include: expanding on click and selecting an option from the list. - Additional Columns: The other column fields should showcase an auto-increment number and a date field. - AJAX/ jQuery/ JSON: Ensure the select option within the table operates effectively using AJAX, jQuery, and JSON in PHP and MySQL. - Total Calculations: I require the table to automatically...

    £78 (Avg Bid)
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    35 bids
    Smooth Audio on WP Refresh 1 hour left

    I'm seeking a skilled freelancer to enhance my existing WordPress WooCommerce site, which primarily features digital woocommerce audio products. The core objective is to navigate the entire website without interrupting the continuous playback of audio from the WooCommerce MP3 Audio Player Pro plugin, similar to the wordpress theme. Sonaar MP3 Player Pro plugin installed and configured: Live website in development: Key Tasks: - Implement ajax page loading to ensure audio continuity. - Ensure seamless audio playback during content refresh. - Update the website body content, URL and SEO Meta data without re-loading the entire page, so that the audio playback is continuous from the sticky audio player feature from the MP3 Audio Player Pro Woocommerce plugin: Ideal Skills and ...

    £121 (Avg Bid)
    £121 Avg Bid
    37 bids

    La idea es hacer una aplicación Android similar a BlaBla Car en el sentido de cobrar un X de comisión al vendedor, todos los usuarios podrán comprar/vender, pudiendo así calificar con un voto positivo/negativo al usuario, esta aplicación será solamente para una categoría, quiero decir, no se usará para todo tipo de productos, todo lo contrario, para uno especifico.  Es necesario que como Wallapop haya disponible un chat para que pueda hablar el comprador y el vendedor, este tendrá una revisión para que no hagan negocios fuera de la aplicación, el cliente al pagar por el producto los administradores retendrán el dinero hasta que el cliente de el visto bueno de la entrega, si todo ha ido bien el dinero ...

    £6820 (Avg Bid)
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    15 bids

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