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?

De 275,766 opiniones, los clientes califican nuestro AJAX Developers 4.83 de un total de 5 estrellas.
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    My situation involves a sticky situation with my manager, where I'm currently stuck in an unfavorable contract. I am in desperate need of an experienced, ethical hacker who can assist with: - Extracting sensitive information - Monitoring specific communications In particular, I need services centered around retrieval and monitoring of: - Emails - Text messages The ideal candidate for this project would have: - Provable experience in ethical hacking, especially data extraction from multiple communication channels - Strong knowledge of digital security and cyber laws - Incisive problem-solving skills, attention to detail and utmost discretion. - Accountability and prompt communication I am not under any time constraint, hence, quality over speed is preferred. This project require...

    $124 (Avg Bid)
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    We are using WordPress + WooCommerce for our website. With WooCommerce we use Variation Swatches and Photos by Element Stark which can be found on woo extensions section on their website. We got a custom pricing calculator for the site made a few years back. The calculator gets pricing for variations from a specific table in the database based on various criteria like size and other variations. This job will need some rewriting of the existing code so that it works well with PHP 8+. it will also need to be refined so that processing is faster. A NDA / IP agreement would need to be signed so that the existing code or the new code that is created is not used or marketed. Other than that, project will also require adding a few features and fixing some minor errors that come up. The overall ...

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    i want someone to optimize my woocommerce speed so my website score is 90+ on GOOGLE PAGE SPEED SEE ATTACHED FILE FOR DETAILS DO NOT BID - If you only know elementor Must be expert at PHP, Javascript & aJAX FREELANCERS ONLY No companies! Budget $50.00

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    We are seeking a front-end web developer with over 3 years experience to join our team. As a front-end developer, you will be responsible for the user interface of our web application. Qualified candidates will be expected to have a working knowledge of HTML5, CSS, and JavaScript and of user interface and user experience (UI/UX) design. Your duties will include turning wireframes and mock-ups into reusable code and building high-quality UI components with scalability in mind. You will also be responsible for implementing new features to our application, handling the integration of plugins, and performing routine maintenance and performance optimizations. Note: The ideal candidate will use a blended approach to development, that is a combination of pure HTML, CSS, and JavaScript and use of...

    $10 / hr (Avg Bid)
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    developer Laravel 2 días left

    Am nevoie de un developer Laravel care să poată lucra la diferite aspecte ale aplicației mele. Responsabilitati cheie: - dezvoltarea diverselor module dintr-o apelicatie web realizata cu Laravel - integrare cu diverse API - modificare de module existente in laravel - Folosirea Javascript si ajax in combinatie cu laravel Candidatul ideal: - Cunoștințe avansate în Laravel, cu un istoric dovedit în dezvoltarea de aplicații similare. - Cu experiență în implementarea și integrări API. - Capabil să creeze module noi si sa le modifice pe cele vechi. - Cunostinte javascript si ajax. - Un om muncitor si maleabil - Disponibilitiate 2-4 ore/zi (luni-vineri) pentru lucru prin git / Bitbucket - Disponibilitate de lucru in echipa.

    $13 / hr (Avg Bid)
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    I'm seeking an expert who can provide a comprehensive tutorial and practical implementation of PrimeFaces JSF Datatable, specifically focusing on data ordering. Data ordering, html, multiple sorts - Tutorial & Practical: I need both a detailed guide and hands-on assistance to implement the PrimeFaces Datatable in my project. - Data Complexity: The data I'm looking to manage is quite advanced. It includes dynamic columns, complex data structures, and requires AJAX updates. - Features Required: I'm particularly interested in incorporating Sorting, Customized Column Rendering, Grouping, and Row Selection functionalities within the Datatable. The ideal candidate for this project should have: - Extensive experience with PrimeFaces JSF and Datatable component - Proven track r...

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    I'm looking for an experienced developer to build a feature-rich travel portal for both B2B and B2C purposes. The portal will serve as a one-stop platform for booking flights, hotels, bus tickets, car rentals, and even IRCTC train tickets. Key Features: - Flight, Hotel, Bus, Car, and Train Booking: The portal should offer seamless and efficient booking options for all these travel modes. - Extensive API Integration: The platform will need to integrate around 10 APIs, including Amadeus, Makemytrip, tripjack, , and goglobal. - User Management System: The portal should support user registration and login, profile management, booking history and management, back office management, and wallet management. Ideal Skills & Experience: - Proficiency in API integration, especially with tr...

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    I am seeking a skilled WooCommerce developer with experience in optimizing shopping cart performance. My site primarily deals with digital products and the project is focused on enhancing the loading time of the shopping cart. IMPORTANT: Our site is highly optimized and the page does not need optimization. However, our shopping cart takes 3.8 seconds to load and should be looked at by a technical mind to make the load time much shorter (targeting to 2 seconds). I asked our webhost for help and here are possible checkpoints to improve loading speed: - Ensure that WooCommerce's built-in caching is enabled. Also, consider minimizing AJAX calls that occur when products are added to the cart. - Sometimes, AJAX requests can slow down the response time if they're not absolutely ...

    $17 / hr (Avg Bid)
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    I'm seeking a skilled mobile developer to create a face recognition attendance tracking application for Android. This app will be designed to efficiently and accurately monitor the attendance of employees. Key features and requirements: - Development to be based on OPENFACE SDK. - The app must work seamlessly with an internet connection. - Focused on employee attendance tracking, not student or event monitoring. - The attendance process should be user-friendly and intuitive for employees. Ideal skills: - Proficiency in Android app development. - Experience working with face recognition technologies, particularly OPENFACE SDK. - Understanding of efficient data handling and secure internet connection implementation. - A portfolio demonstrating successful and similar projects would be ...

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    I'm looking for a developer experienced in working with the API. The primary goal of this project is to implement this API effectively. Key Requirements: I want create api in php to Generate QR Code, Receive Status Of QR code if its logged in Send Text , Multimedia Sms Send Group Sms Send Broadcast Sms Get notification Of Incoming sms in callback

    $12 / hr (Avg Bid)
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    I'm experiencing sluggishness with my software, but the specific triggers or patterns aren't currently known. Similarly, I haven't defined the operating system I'm running on or length of time this issue has persisted. To help me, you should: - Have experience in troubleshooting and optimizing software performance across various operating systems, as it's not specified whether my software runs on Windows, Mac, or Linux. - Be good at identifying and analyzing patterns that could be causing software deceleration. - Possess sound diagnostic skills to deduce why the software has been running slow, despite lacking information on the time frame. Your ability to perform well despite little information is crucial for success. Please, only apply if you're confident y...

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    I want collaborate if you have real experience in Jibe. Build an RBM messaging servers.

    $156 (Avg Bid)
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