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?

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    9 trabalhos encontrados, preços em EUR

    I'm seeking a skilled PHP developer to work on our upcoming web application. The main goal of this project is to develop this application from scratch. Requirements: - User Authentication and Authorization: The application will cater to a diverse audience, ranging from the general public to registered members and administrators. As such, ensuring secure and efficient user authentication and authorization is paramount. - Real-time Data Processing: The application will be handling real-time data. Thus, the ability to process this data swiftly and accurately is key to the success of our project. - Payment Gateway Integration: A key component of our application will involve payment processing. The developer should be able to integrate a payment gateway seamlessly into the application. ...

    €279 (Avg Bid)
    €279 Média
    35 ofertas
    Scrapy Developer 6 dias left
    VERIFICADO

    We've a opening for a Scrapy Developer. Description: - Designing crawler for extracting data for various market sources. - Utilising country switcher whenever possible for multi version of sites. I,e en-us, zh-hk version of site. Desired skills: - Scrapy - Splash (nice to have) - Ajax/XHR API simulation for JS rendered site - Git/Bitbucket - Phyton - Jira (nice to have) First you make one crawler for a fixed price. You will receive access to a sample Bitbucket project with an example crawler. When the first crawler you've build is good we can continue on an ongoing basis (9 EUR per hour).

    €10 / hr (Avg Bid)
    €10 / hr Média
    39 ofertas

    Need to work remotely on andyesk , team viewer, ultraviewer I'm in need of a skilled developer with expertise in CodeIgniter 3.1 with HMVC Framework to work on a multi-hospital system. The system already has been developed, however, there are some modifications and additional features that need to be implemented. Your responsibility will include the following: - Implementing User roles and permissions as the highest priority functionality - Developing and integrating Activity logs - Configuration of SMS API for communication - Ensuring the system has the capability to manage multiple hospitals via subdomains and main domain - Handling modifications and errors for existing functionalities - Modifying the pharmacy point of sale (POS) - Setting up a backup and restore system Your ex...

    €273 (Avg Bid)
    €273 Média
    29 ofertas

    It is a WordPress-based website. I need a developer to help me with Adding font to my website (Incorporate the same fonts used on Neil Patel's website (). Upon inspection, it appears that the font 'geo-wf' is used) I have added a nav menu on my homepage on my localhost which includes PHP, CSS, HTML, and Ajax You need to separate some CSS, HTML, and JavaScript into already existing separate files to ensure optimization and minify CSS through NPM Scripts Skills & Experience: - Proficient in CSS, HTML, JavaScript, and Ajax - Strong understanding of PHP code organization - Experience in code refactoring and bug fixing - Proven track record of optimizing code for performance My website : Moreover, it's essential to show me how you minified the CSS code. Ple...

    €16 / hr (Avg Bid)
    €16 / hr Média
    153 ofertas

    Two Pages: A responsive web design (RWD) website using jQuery and BootstrapV5 to record heart rate (HR) data via Bluetooth with the Polar OH1+. Modification time: 20:00, 06/11, 2024 GMT+8 References:  Polar OH1+ Optical heart rate sensor:  This demo program can read the Heart-rate data from one Polar OH1+ continuously: Task description: Platform: Web browsers on iPad and Desktop (Mac & PC Windows) We need to develop a responsive web design (RWD) website that can communicate with Polar OH1+ via Bluetooth to record the heart rates (HR) of 1 to 10 users simultaneously. This website will include the following three pages: 1. Page 1 - User profile input/edit page: The personal profiles of up to 10 OH1+ users are displayed as 10 blocks on a screen. The admin of this website c...

    €251 (Avg Bid)
    €251 Média
    51 ofertas

    I need a Flutter app for macOS. The app should be able to do the following. - App should stay in Statusbar - If app is closed, it should still stay in statusbar and still look for files - Should look for new files detected in specific folder. - Should be possible to define what directory to monitor/look in - Should be possible to define prefix for file 1 and define extension for file 1 - Should be possible to define prefix for file 2 and define extension for file 2 - So it works like looking if a new file1 or file2 is created in the directory, it should be file prefix, so for example if prefix for file1 is "Test" and extension is "csv", it should detected a file1 named "Test file (1).csv" - Should be possible to define POST url - If a new fi...

    €179 (Avg Bid)
    €179 Média
    38 ofertas
    SAP UI5 Developer Required 4 dias left
    VERIFICADO

    SAPUI5 Developer Required for various projects utilizing all SAP Modules (PM, FI, CRM etc) Expert knowledge on Data Binding P13n Filtering, Sorting and Dynamic Fields Custom Fields and Enhancements SAPUI5 Model, View and Controller SAPUI5 OData knowledge Strong JavaScript experience required SAP BTP Experience Requirements 1. Must be available in SAST Timezone 2. Must be available on weekends 3. Flexible work arrangement as and when required Candidate must have developed +- 50 custom SAPUI5 applications end-to-en

    €15 / hr (Avg Bid)
    €15 / hr Média
    49 ofertas

    I'm in search of a dedicated Core PHP developer to help with various tasks on an ongoing monthly basis. The ideal candidate will be skilled in Core PHP, MySQL, HTML, CSS, Bootstrap, Codeigniter, Ajax, jQuery, JavaScript, and working with RestAPIs. Key responsibilities include: - Bug fixing and maintenance of existing codebase - Developing new features and functionalities - Optimizing performance of the website Design Requirements: I'm looking for a professional with an eye for design, particularly a 'Simple and clean design' aesthetic. Communication and Progress Updates: Weekly video calls will be our primary mode of communication and progress tracking. Ideal Skills and Experience: - Strong understanding of Core PHP, MySQL, HTML, CSS, Bootstrap, Codeigniter, Ajax...

    €188 (Avg Bid)
    €188 Média
    51 ofertas

    Check sample project here? I'm in need of a web-based AI chatbot that can provide top-notch customer support using the GPT-4 API. The chatbot should strictly support text-based interactions, hence, no need for voice integration. Key requirements: - Design and develop a web-based AI chatbot that will serve as a customer support tool. - Integrate the GPT-4 API to power the chatbot's AI capabilities. - Ensure that the chatbot strictly interacts with users via text-based chat. Ideal Skills: - Proficiency in AI chatbot development. - Experience with GPT-4 API integration or similar. - Excellent understanding and implementation of text-based chat interactions. - Strong background in customer support systems. Check sample project here?

    €1154 (Avg Bid)
    €1154 Média
    67 ofertas

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