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 273,718 reviews, clients rate our AJAX Developers 4.85 out of 5 stars.
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    21 jobs found, pricing in USD

    I am seeking a proficient PHP programmer for the addition of functions to an existing script. The ideal candidate will have expertise in: - PHP programming - Front-end development (HTML, Javascript) - Back-end development - Database integration (SQL) The main purpose of this project is to build upon and enhance our pre-existing system. Your role will be essential in introducing new functionalities to improve our script. Please only apply if you have extensive experience in these areas. I look forward to potentially working together.

    $401 (Avg Bid)
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    business website 5 days left

    Homepage What We do Video Instruction Current Discount Offering. Products - browsing by category and location Display vending machine locations via map. User feedback and Contact Us page on. Investor’s page - why to buy a machine Careers Privacy policy, terms of use Social media integration. Mobile friendly, SEO optimised Bulgarian language (we will translate) with scalability option We will provid logo and basic colors

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    Hi there, I'm looking for an experienced professional who's an expert in both CodeIgniter 4 and JavaScript. This project will involve two primary tasks: debugging and fixing issues in our existing code, along with adding new functionalities to our platform. The requirements for this project are: - Proficient in CodeIgniter framework and JavaScript - Experience in debugging and issue resolution - Ability to come up with innovative solutions and features To be successful in this project, you'll need a deep understanding of web development and must be able to optimize speed and efficiency. Your ability to clearly communicate technical concepts to non-technical personnel will also be key. Please note that this is a task-oriented project. As such, strong organizational skil...

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    I'm currently seeking a freelancer who can enhance existing functionality. The freelancer should be available to work remotely right away, and I'll provide access to the code. Proficiency in WordPress, PHP, and AJAX is required for this task.

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    I am looking for a full-stack PHP developer to support me in various projects. Qualifications:- -Experienced in Dashboard development (Core PHP) -Expert in APIs (json) -Knowledgeable in Google maps, Gps etc This is a long-term job for the right candidate. Please include a couple of references or screenshots from your previous works along with the bid.

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    I require a front-end developer for a web development project. The developer needs to have expertise in: - Both class and functional components in React. You would be expected to demonstrate sound knowledge and experience with these as they will be extensively utilized in this web development project. - Private API integration. It's important for the developer to have an in-depth understanding and experience in integrating and working with private APIs to ensure seamless connectivity and information flow. Your sound understanding of JavaScript, React, API integration, and associated patterns will be a key factor in the success of this project. Strong communication skills are also highly valued. Ideally, you have a rich portfolio of previous projects that demonstrate these required s...

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    I'm seeking a skilled front-end developer proficient in Vue.js for user interface development. The project involves creating dynamic form validation, real-time data display and user authentication features. Key project requirements include: - Strong Vue.js experience - Highly skilled in creating dynamic form validation systems - Proven ability in developing real-time data display mechanisms - Understanding of user authentication methods Your bid should show examples of previous Vue.js user interfaces you have developed, particularly featuring dynamic form validation, real-time data display and user authentication.

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    I’m seeking an expert in WordPress and API integration to link my website with Dropship Zone's product list API, using as a guide. Comprehensive knowledge of WordPress and RESTful APIs is a must. The prime functionalities required include: 1. Retrieval of Specific Product Information - This includes product names, descriptions, and pricing. Previous experience with product-related APIs would be ideal. 2. Real-time Updates to Product Inventory - The inventory information should be dynamically updated in real-time. Experience with integrating real-time updates via APIs will be highly beneficial. Your bid should reflect a complete understanding of the requirements and a proven track record in similar projects. The successful freelancer will likely have opportunities for fu...

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    Small Project, Design Product Filtering page in Wordpress , display and fetch data from API and the forward that selected product and merge with the final one. For reference :

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    I'm in need of an experienced developer who can help in programming a single search button that can perform multiple functions on my website. Here's the clarification: - I currently have more than three search buttons, each performing a separate function. - I want these buttons to be merged into one single button, but still, users should be able to select which search to perform when this button is used. Required skills: - Web development expertise is crucial, notably with PHP, JavaScript, Angular js and other relevant languages. - Prior experience in merging search functions on a website will surely be a major plus. - Good knowledge of user interface design is also desirable, as the change should be done without affecting ease of use or overall aesthetics of the website. I lo...

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    I'm in need of an expert JavaScript developer with experience in cloud-based storage. The project at hand involves integrating the Stripe API into my existing web app. Tasks will include: - Working with Stripe API for seamless online payments - Setting up functionalities for subscriptions management - Implementing one-time payments features - Creating a robust invoice management system A sound knowledge of Stripe API, hands-on experience with JavaScript and familiarity with cloud-based storage systems is crucial for this role. Note, some frontend work is required to establish functional payments pages that can handle global transactions. If you are detail-oriented, efficient and experienced, this project is made for you. Your vital contribution will substantially improve the user e...

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    Drag & Drop Sortable Divs 1 day left
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    **Please do not ask me to pay you outside of freelancer & please don't use an AI generated proposal** This is a simple jQuery and Ajax/MySQL project. I have a list of <div> items which are ordered 1, 2, 3, etc. based on records in a MySQL database. I want to make the <div>s draggable so they can be re-ordered in a smooth drag and drop. Once a <div> is moved, the MySQL database is updated with the new ID of the DIV which corresponds with the position in the list. Potential for lots of future work.

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    I'm looking for a proficient developer with deep experience in PHP, Image Processing and QR Code Generation for a project that involves creating user-customized images. The core objective is to: - Generate dynamic images customized for individual users - Seamlessly incorporate an addition of text/watermarks (QR codes) to those images Ideal candidate should be familiar with image rendering and be able to create high-quality, engaging, and customized visual content. Efficiency, accuracy and attention to detail are critical for this role.

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    I have developed a site using laravel. I am not very conversant with javascript and ajax so majority of the pages are reloaded after any interaction. I need to improve it and need a experienced person who either use javascript/AJAX or any frontend framework ( VUE JS etc ). - Improving a search functionality across all pages of the site - Improving a chat feature for increased user interaction - Improving a secure and efficient payment gateway for transactions - Utilizing AJAX in search pages and in several other areas for a smoother user experience. In addition to this, the professional should possess proficiency in database integration and be able to successfully implement user authentication. An understanding of and ability to integrate social media should also be taken into account...

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    I am in need of an experienced Laravel developer. The project will primarily involve adding additional features to an ongoing Laravel project. The feature in question is a chat functionality. However, I'm not quite sure yet if I want it to be a real-time chat feature. Ideal Skills: -Laravel Expertise -Experience with Chat Feature Implementation While the project focuses on new feature integration, having prior knowledge and experience with Laravel is essential. Also, if you've previously developed or integrated a chat feature, that would be highly beneficial too.

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    We are looking for a skilled WordPress developer who specializes in integrating AI-powered chatbots or conversational agents, into WordPress websites. The successful candidate will be responsible for seamlessly incorporating GPT functionality into our WordPress site to enhance user engagement and provide personalized interactions. Responsibilities: Research and select the most suitable GPT model. Configure and integrate the selected GPT model into our WordPress site, ensuring compatibility and optimal performance. Customize the chatbot's appearance and behaviour to align with our website's design and user experience. Implement features such as natural language understanding, context-aware responses, and conversation management to create a seamless user experience. Test the in...

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    I'm looking for a skilled mobile and web developer to create a unique platform for artistic endeavors. This app should be compatible with both iOS and Android, and should serve three main purposes: - Showcase the artist's portfolio: Interested users should be able to browse through a variety of arts, understanding each piece's unique appeal. - Facilitate art sales: The app must include secure and reliable e-commerce functionalities, allowing me to sell pieces directly to art lovers. - Encourage interaction with art enthusiasts: A platform for communication between myself, as the artist, and the art community is crucial. From simple comments to complex discussions, the app should foster a sense of community and dialogue. Additionally, I have some design concepts in mind,...

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    As a proficient Javascript and Ajax expert, your task will entail a comprehensive study of a script with a focus on formulating an effective Ajax post statement. You'll be writing a new function that is capable of submitting form data directly from the browser's Chrome console. Ideal skills include: - Extensive experience and proficiency in Ajax and Javascript - Robust understanding of Chrome console operation - In-depth knowledge of Javascript - Strong ability to write efficient, effective functions.

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    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 as in attached PDF file! *** YOU MUST HAVE BASE CODE ALREADY DONE BEFORE!! - I Need integration and add-ons only to be done!!! *** DO NOT bid if you do not have a similar builder code done already!! I will require to have a WORKING DEMO in your bid to even consider you!! I do NOT WANT to start from scratch! *** BOTS bids will be blocked for future projects

    $515 (Avg Bid)
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    I'm seeking an accomplished PHP and JavaScript developer who has at least 8 years of experience. You must be adept at core PHP development without any dependence on frameworks. Key duties for this project will include: - Implementing user authentication - Integrating databases - Integrating payment gateways Please only bid if you have an extensive background in both PHP and JavaScript, and are comfortable with core PHP development. Note : Payment will be made only after project complete

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    Se requiere desarrollar un sistema de gestión a través de una aplicación móvil, que le permita a los administradores llevar registro online de todos los acontecimientos en cada campo deportivo, el sistema debe disponibilizar formularios electrónicos que permitan completar registros (app), alimentar base de datos (servidor) y realizar consultas de datos (app). Los usuarios deben crear una única cuenta en la aplicación y registrar sus datos personales en su perfil, podrán enrolarse con cuentas google o cuentas Facebook, links que permitan un enrolamiento más expedito. Los datos obligatorios para cada perfil son Nombre, Rut, Correo Electrónico, Clave, Posición de campo. Opcionalmente pueden cargar una fotograf&iacut...

    $2965 (Avg Bid)
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