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 283,827 reviews, clients rate our AJAX Developers 4.88 out of 5 stars.
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    Php depression calculator 6 days left

    I am looking for a PHP developer to create a depression calculator that assesses the severity of depression symptoms. The purpose of this calculator is to provide users with an understanding of their depression symptoms and offer coping strategies. Example: Skills and Experience: - Proficiency in PHP - Strong understanding of algorithms and calculations - Experience in creating interactive web applications - Knowledge of depression symptoms and coping strategies The calculator should have the following features: - Minimal user interaction: Users should be able to input their symptoms and receive a result indicating the severity of their depression symptoms. - Specific algorithm: The client has a specific algorithm in mind for assessing depression symptoms, so the developer should be a...

    $91 (Avg Bid)
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    I am looking for a freelancer who can integrate a basic reddit forum into my existing application. The ideal candidate should have experience with cakePHP, and MySQL. Specific Features: - Basic posting and commenting functionality - Threads - Authentication - Some moderation User Database: - I already have an existing user database that needs to be integrated with the forum Design Preferences: - I have specific design requirements for the integrated reddit forum (must stick to the existing design - will be provided and is very simple without too many fancy effects, design templates will be provided). Skills and Experience: - Proficiency in cake, PHP, and MySQL - Experience with integrating forums into existing applications - Ability to work with an existing user database - Strong desig...

    $536 (Avg Bid)
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    3D PayHosting integration 5 days left

    Project Title: 3D PayHosting integration Description: The project involves integrating a payment gateway called 3D PayHosting. I am looking for a skilled freelancer who can handle this integration efficiently and within a week. The form is so simple as below and will redirect to the bank's website for the payment, that is all. Skills and Experience: - Proficiency in integrating payment gateways - Experience with 3D PayHosting or similar payment gateways - Strong understanding of web development and e-commerce platforms - Ability to work within tight deadlines and deliver high-quality results Payment Gateway: I have a preferred payment gateway, which is 3D PayHosting. The freelancer should be familiar with this gateway or be able to quickly understand its functionalities. Timelin...

    $203 (Avg Bid)
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    Full stack developer 5 days left

    Run npm install to install all the dependencies required to run the project. After doing so, configure the firebase config by going into and replacing the firebaseConfig object by the object provided by firebase when registering a new Web App (go to firebase console, register a new web app and get the details). Go into .env and configure the links for the help, support, share, user guide etc.. sections. Also configure the stripe public key to handle payments. You can then run it using npx expo start or npx expo android/ios depending where you want to visualize it. For building your app and publishing on the stores, please check out this URL:

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    I urgently need the help of a skilled video editor and coder to help complete a project. This will involve both basic and advanced editing and coding, and the desired timeframe for this project is more than two weeks. No budget was stated for this project. The successful applicant must have knowledge and experience in using the latest video editing and coding techniques and software. As well as being highly creative, the applicant must be able to produce dynamic and compelling video content within the given timeframe. Applicants should also have good communication skills and be able to take direction and feedback effectively. It is also important that the applicant be willing to work collaboratively with the team. If you believe that you are the right person for this job, please do not...

    $349 (Avg Bid)
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    I am looking for a Nuxt js developer to help with a project that involves website integration. The specific features and functionality needed for the project include user authentication and authorization, API integration, dynamic routing, and data fetching. The timeline for the project is flexible, with a completion date within a month. The project involves a combination of existing codebase and new development. Therefore, the ideal candidate should have experience working with both existing codebases and new project development. Key Skills and Experience: - Proficiency in Nuxt js - Experience with user authentication and authorization - Knowledge of API integration - Familiarity with dynamic routing and data fetching - Strong problem-solving skills - Ability to work with existi...

    $1064 (Avg Bid)
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    Project Description: - Title: Interactive Brokers API Integration into Web Server - Programming Language: PHP - Framework: No specific framework - Required Functionality: Trade execution We are looking for a skilled developer to integrate the Interactive Brokers API into our web server. The ideal candidate should have experience in PHP and be familiar with API integration. Key requirements for this project include: - Expertise in PHP programming language - Previous experience with API integration - Knowledge of Interactive Brokers API - Ability to execute trades through the API - Understanding of web server architecture and best practices The developer should be able to effectively collaborate with our team to ensure seamless integration of the API into our existing web server. The p...

    $175 (Avg Bid)
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    45 bids

    The ideal candidate will have a deep understanding and hands-on experience with JavaScript, particularly specializing in the focus and select with front-end and back-end developers to integrate user-facing elements with server-side logic. if you can help and fix it you get 100.

    $131 (Avg Bid)
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    PHP Page builder - 2nd time 4 days left

    I am looking for a PHP developer to create a custom page builder for my eCommerce SaaS website. LIKE from Enfold WP theme. go to minute 18 to see builder The page builder should have the following features: - Integration with third-party plugins: I want the ability to easily connect and integrate with various third-party plugins to enhance the functionality of the page builder. Additionally, I need the page builder to be integrated into a custom PHP platform (OsCommerce/ZenCart fork). I would like the project to be completed within a month. *** YOU MUST HAVE BASE CODE ALREADY DONE BEFORE!! - I Need integration and add-ons only to be done!!! 1. Builder need to have all layout functionalities as main tab set rows, columns with ALL properties and design elements setting for each 2....

    $492 (Avg Bid)
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    I am looking for a PHP developer who can build a CRUD system for a specific database structure without page reload. The project will use Bootstrap Modal for a seamless user experience. Ideal Skills and Experience: - Strong proficiency in PHP and Ajax - Experience with CRUD operations - Familiarity with Bootstrap Modal - Expertise in working with databases and specifically with a specific database structure - Ability to handle more than 5 tables in the database structure. The project will involve creating a user-friendly interface where users can easily read and access data from the database. The CRUD system should allow for smooth navigation and interaction without the need for page reload. If you have the required skills and experience, please submit your proposal with relevant exam...

    $448 (Avg Bid)
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    170 bids

    I am looking for a freelancer who can help me with the generation of both barcodes and QR codes in HTML and PDF formats. The generated codes can be in either format, depending on the freelancer's expertise and recommendation. The codes will not need to contain specific information or link to a specific location; they can be generic codes. Ideal Skills and Experience: - Proficiency in HTML and PDF generation - Experience with barcode and QR code generation - Knowledge of different barcode and QR code formats and standards

    $39 (Avg Bid)
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    37 bids

    I am looking for a skilled developer to fix a bug in the Google Maps integration on my Java + Tapestry 5.1 custom eCommerce application. The specific issue I am experiencing is that the map is not displaying correctly. Skills and Experience: - Strong proficiency in Java and Tapestry 5.1 - Experience with Google Maps integration - Knowledge of front-end development and browser compatibility Requirements: - Fix the bug with the Google Maps integration to ensure that the map displays correctly - Ensure that the markers show up properly on the map - Resolve any issues with the directions functionality Browser Compatibility: - The target for compatibility is all browsers Timeline: - I am looking to resolve this issue in the short-term, within a week.

    $13 / hr (Avg Bid)
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    I have a dating site. I want to add a Like button, like Tinder The like is gray by default, when the user clicks on it, it should turn red. (if there is a small effect when the like is sent, a zoom; that's great) It must update a field in the mysql database. without reloading the page. (ajax? jquery?) The recipient of the like must receive a notification email When a recipient receives a Like; the like must appear in red, and it must not be possible to send a second like. I want update the seach engine with slider range, 2, for age range and height range

    $38 (Avg Bid)
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    I am looking for a freelancer to develop a Solunar script for my website. The purpose of the script is to provide information on the best fishing and hunting times. The script should include both moon phase and sunrise/sunset times. There is no need to integrate the script with any other existing features on the website. Ideal Skills and Experience: - Strong understanding of lunar and solar data - Proficiency in scripting languages (e.g., JavaScript, PHP) - Experience in developing interactive features for websites - Knowledge of fishing and hunting times is a plus.

    $24 (Avg Bid)
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