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?

A partir das avaliações de 273,692, os clientes avaliam nosso AJAX Developers 4.85 de 5 estrelas.
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    17 trabalhos encontrados, preços em EUR

    I'm in need of someone who can efficiently convert my Word documents into PDF format on a daily basis. This is a task for my personal use and doesn't associate with any business. The workers should take note of the following specifics: - Consistency: As this task is required to be done daily, I need someone reliable and consistent in their work. - Content Understanding: The documents to be worked on contain text only. So, comprehension of various text types is key. - Software Knowledge: Ideal applicant should have in-depth knowledge of Microsoft Word and PDF formats and their interconversion. The perfect candidate for this role would be prompt, reliable, and proficient in handling Word and PDF formats. Previous work experience in a similar role would be a plus, but it's no...

    €245 (Avg Bid)
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    9 ofertas

    I require a talented Vue.js developer for the construction of an admin backend. This project does not involve integration with any external APIs. Key Features: - User Management - Data Visualization - CRUD (Create, Read, Update, Delete) operations The ideal person for this role should have the following skills: - Proficient in Vue.js development. - Experience with admin backend development for data management. - Strong knowledge and experience in working with SQL databases. Please ensure, before you bid, that you have substantial experience in these areas. Your task will be designing a user-friendly, sleek admin backend from scratch while optimizing for performance and sustainability.

    €326 (Avg Bid)
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    25 ofertas

    I'm currently dealing with a PHP and MySQL errors in 2 different files that urgently needs to be resolved. - In the first file, I get the following error message: Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 8192 bytes) in ........ on line 71 - In the second file, i get a timeout error message sometimes, but not always. The content takes very long to load though. The problem requires an experienced PHP developer with strong diagnostic skills, who is not averse to confronting an undefined problem. As the issue and error message arising from running the PHP code are uncertain, applicants should be: - Highly proficient in dissecting PHP errors and MySQL queries - Capable of troubleshooting and fixing a range of PHP errors, such as Parse errors, Fa...

    €24 (Avg Bid)
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    53 ofertas

    I need a serious PHP developer to do some work on my SMF 2.0(.17) Forum Software. The URL of the website is If you are not familiar with SMF you can find an unaltered Stock Version to download here: ;filename= But please note: MY SITE IS HEAVILY CUSTOMIZED. That is why I need a seasoned PHP developer. I do not wish to waste your time nor do I wish you to waste mine. Therefore: 1. This project is for expirienced PHP developers only! This software is written in PLAIN PHP. NO FRAMEWORK! If you are a WordPress, Magento etc. developer then this is most likely NOT your cup of tea, you have no clue of how a message board / forum works then this is not your project. 3. No coders from India please. My expirience with Indian coders was bad 99% the time and I am not on a trip to look for th...

    €160 (Avg Bid)
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    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.

    €365 (Avg Bid)
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    101 ofertas
    business website 3 dias 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

    €482 (Avg Bid)
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    128 ofertas

    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...

    €30 / hr (Avg Bid)
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    136 ofertas

    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.

    €13 (Avg Bid)
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    20 ofertas
    Need a Full-Stack PHP Developer 2 dias left
    VERIFICADO

    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.

    €4 / hr (Avg Bid)
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    38 ofertas

    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...

    €195 (Avg Bid)
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    143 ofertas

    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.

    €52 (Avg Bid)
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    11 ofertas

    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...

    €16 (Avg Bid)
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    7 ofertas

    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 :

    €97 (Avg Bid)
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    11 ofertas

    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...

    €21 (Avg Bid)
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    16 ofertas

    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...

    €2714 (Avg Bid)
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    40 ofertas

    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...

    €6 / hr (Avg Bid)
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    22 ofertas
    Drag & Drop Sortable Divs 9 horas left
    VERIFICADO

    **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.

    €25 (Avg Bid)
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    29 ofertas

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