AJAX is the art of exchanging data with a server, and updating parts of a web page without reloading the whole page. It is not a new programming language, but a new way to use existing standards. AJAX is used to make sites interactive. It can be used to create Facebook apps, picture-uploading interfaces, and much more. If you need to add functionality to an existing or new website and don\'t have the programming knowledge, our expert developers can create whatever you need.

If you are AJAX developer, Freelancer.com offers you a lot of clients who need your help with their AJAX projects which might vary from creating Facebook apps, picture uploading interfaces, and much more.

If you believe you can do that, then start bidding on AJAX projects and get paid with an average of $200 per project depending on the size and nature of your work.

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    57 jobs found, pricing in USD

    - Expert in PHP and its Framework CodeIgniter - Proficient in Javascript and jQuery - Good knowledge of MySQL - Good knowledge of Web APIs ROLES AND RESPONSIBILITIES : - Deep knowledge in PHP and its Framework CodeIgniter - Writing well-designed, testable, and efficient code. -Good with analytical and logical problem-solving skills. -Must use best coding practices -Must have the ability t...

    $9 / hr (Avg Bid)
    $9 / hr Avg Bid
    3 bids

    HIGHCHART expert developer needed, urgent

    $20 (Avg Bid)
    $20 Avg Bid
    4 bids

    I used CryptoJS instead of nodejs crypto module because I just use the native JavaScript,but some codes can't work. function aesEncrypt(text, secKey) { const _text = text const lv = new Buffer('0102030405060708', 'binary') const _secKey = new Buffer(secKey, 'binary') const cipher = [login to view URL]('AES-128-CBC', _secKey, lv) let encrypted...

    $10 - $17 / hr
    $10 - $17 / hr
    0 bids
    Front end development 6 days left
    VERIFIED

    The project involves rendering JSON API outputs into frontend. React preferred. More details after application.

    $511 (Avg Bid)
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    73 bids

    Data entry to be discussed in further length when we speak.

    $17 / hr (Avg Bid)
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    3 bids

    I am adding custom products as upsell to the product page. The problem is, it shows an error when I tried to send theme with info to the cart

    $599 (Avg Bid)
    $599 Avg Bid
    30 bids

    I need you to develop some software for me. Skills Html css js jQuery and api calls ajax.

    $5 / hr (Avg Bid)
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    8 bids

    We're looking for someone who can take a look at our reactJS app and optimize it for faster loading times. Currently the performance is rather bad in older devices especially, which is hurting the user happiness. We would like the app to get to a 90+ lighthouse score, and Gtmetrix score of A at least. This should be seen as a paid task for a senior developer. We are looking for someone to j...

    $435 (Avg Bid)
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    11 bids

    Random text chat like Omegle! Hello! I looking for random text chat like [login to view URL] Features: 1. PHP/MySQL/Java/ajax 2. Only text chat (no need video) 3. Show Online users count 4. Stop/Realy? buttons when want stop chat 5. Can send images/smilys. After 1 day images automatic delete with cron job. 6. On start page user can select: Im Men/woman/Stranger want chat with: Man/Woman/Stranger...

    $143 (Avg Bid)
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    4 bids

    Here is the project and screenshots. I basically want to add "Template Word" option on the backend. I upload a Word document on product edit, and it updates on frontend. Here is my website: [login to view URL] Here are two scsreenshots: Frontend: [login to view URL] - In red is what I want to add. Backend: [login to view URL] - In red is what I want to add. I already have the Template...

    $18 (Avg Bid)
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    15 bids

    Contact me only if you are expert in PHP! hosting and smtp integration if not don't waste my time.

    $137 (Avg Bid)
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    55 bids
    Build me a game 5 days left

    I want someone to make a game for me

    $104 (Avg Bid)
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    3 bids
    API integration 5 days left
    VERIFIED

    [login to view URL] Need to use this api in integromat ( an automation tool like zapier). You just have to basically understand this api and guide me on how to create a GET or a POST response to this api.

    $3 / hr (Avg Bid)
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    8 bids

    I am trying to capture the click event like [login to view URL] etc., but the code includes [login to view URL](); try { [login to view URL](); } more detail is like: (function() { var layer = [login to view URL]("Layer"); if (layer) { var listen = function(obj, e, fn) { if ([login to view URL]) { [login to view URL](e, fn, false); } else { [login to view URL]("...

    $10 / hr (Avg Bid)
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    1 bids

    Hey there I have an magento 2.3 website but i need to design 4 pages in my website some of 2 are static (home, about) and 2 are dynamic (catalog and product details). i have html css and js but there are many js errors coming when trying to put those html in magento 2 so i need someone to fix JS console errors and to design dynamic pages . I have already designed 2 static pages but consoles error...

    $200 (Avg Bid)
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    6 bids

    This is a deep error in the core of wordpress. I need to fix this particular error in order to audit better. This sounds like an advanced level of java understanding.

    $28 (Avg Bid)
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    10 bids

    I need someone to do the leg work of putting together a HTML5 based website for a Rural Wireless ISP startup. I have a templates in mind that has all the tools, but need someone to create and put the pages, media and SEO bits together for me. I have the hosting covered etc.. just need someone to make it happen.

    $837 (Avg Bid)
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    33 bids

    I'm currently working on a PWA project where I need to close the popup via the back button. The popup just loads the post content of the clicked list from infinite post list UI. I'm able to achieve it via popstate like this: loadPopUp() { [login to view URL]('popup-open', null, ''); } $(window).on('popstate', function () { hidePopUp() }); The page ...

    $25 (Avg Bid)
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    7 bids

    fast and simple fix simple array $post data javascript/jquery

    $20 (Avg Bid)
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    23 bids
    B&B Booking/Reservation form 4 days left
    VERIFIED

    Bootstrap 4.5.2 jQuery 2.2.4 moment 2.27.0 [login to view URL] Chunlong Liu / [login to view URL] I created a reservation form with a multiple date range calendar picker. Most of it is working but I would like to add prices, discounts and calculate the final checkout price. Final checkout price should be visible, see design, and be added to a hidden input field as well... (I have my own checkout...

    $153 (Avg Bid)
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    12 bids

    Hello, We need an expert front end developer who has a good experience with modern front end development (HTML/CSS/jQuery/Boostrap/Javascript). You have to create a template following the attached Doc references. It has to be responsive as well. So please double-check the document before applying and make sure if you are capable to do it.

    $166 (Avg Bid)
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    8 bids

    Hi, I am looking for experienced backend coder that can write website script from sketch. Requirments: PHP AJAX JavaScript Mysql The developer should have time to work on this project for full time. Should have great experience with dealing heavy or large amount of data. For more detail write me back. Thank You.

    $13655 (Avg Bid)
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    29 bids

    I need someone to create an iOS app for my business. The app should be functional and professional. The app should also follow the branding of my business. Please message me if you have any questions.

    $13 / hr (Avg Bid)
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    6 bids

    I am looking for a motivated PHP/Codeigniter expert who can also do responsive design and work with bootstrap 4, to join my team of professionals. I am looking to hire full-time for a 8 to 12 months project, with possibility of continuing after. I only need independent freelancers. Job requirements: 1. hands on experience on PHP, MySQL, JavaScript, jQuery, AJAX, Codeigniter, Bootstrap 2. in de...

    $560 (Avg Bid)
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    49 bids
    PHP javascript developer 3 days left
    VERIFIED

    Details will be shared in chat box..

    $107 (Avg Bid)
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    17 bids

    KINDLY ENSURE YOU ALL READ THIS FIRST The WHOLE PROJECT IS A SCREENSHARE PROJECT! You are required to have a live call via zoom or Hangout to sort out the matters. I have a project that have few bolts tightening to be done on the Aesthetic part. My developer is busy on other backend works and I'll require from my estimate 2-3 hours of quality aesthetic amendments on some of the JS, AJAX and...

    $50 / hr (Avg Bid)
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    10 bids

    KINDLY ENSURE YOU ALL READ THIS FIRST The WHOLE PROJECT IS A SCREENSHARE PROJECT! You are required to have a live call via zoom or Hangout to sort out the matters. I have a project that have few bolts tightening to be done on the Aesthetic part. My developer is busy on other backend works and I'll require from my estimate 2-3 hours of quality aesthetic amendments on some of the JS, AJAX and...

    $34 / hr (Avg Bid)
    $34 / hr Avg Bid
    21 bids

    Hello, We are currently developing a project on Wordpress and an (offshore) Codeur developer has just crashed us. We are looking for a FREELANCE FULL STACK available full time now to take over this project. You absolutely need a good knowledge of PHP, JAVASCRIPT, HTML, AJAX and CSS. We are creating a marketplace from the WCMP plugin and we need some patterns. Basically 1- Replace the seller ...

    $654 (Avg Bid)
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    24 bids
    PHP PROJECT WORK 2 days left
    VERIFIED

    I am looking for a motivated PHP/Codeigniter expert who can also do responsive design and work with bootstrap 4, to join my team of professionals. I am looking to hire full-time for a 8 to 12 months project, with possibility of continuing after. I only need independent freelancers. Job requirements: 1. hands on experience on PHP, MySQL, JavaScript, jQuery, AJAX, Codeigniter, Bootstrap 2. in de...

    $642 (Avg Bid)
    $642 Avg Bid
    57 bids

    KINDLY ENSURE YOU ALL READ THIS FIRST The WHOLE PROJECT IS A SCREENSHARE PROJECT! You are required to have a live call via zoom or Hangout to sort out the matters. I have a project that have few bolts tightening to be done on the Aesthetic part. My developer is busy on other backend works and I'll require from my estimate 2-3 hours of quality aesthetic amendments on some of the JS, AJAX and...

    $17 / hr (Avg Bid)
    $17 / hr Avg Bid
    12 bids

    Hi. The job will be like build new shops in prestashop, wordpress and magento, bug fixing, installing modules and set them up, design and build new functions. You need to have at least 5 years experience in programming and 3 years experience in prestashop. The working time is 8 hours a day, 6 days a week. Salery is 5USD per hour, but most jobs will be fixed price. Send me your CV and maybe you ...

    $8 / hr (Avg Bid)
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    11 bids
    audio recording javascrpit 2 days left
    VERIFIED

    My need a audio recording and save a file in folder

    $28 (Avg Bid)
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    11 bids

    Need to Upload to Mysql database via Javascript Need to work via anydesk / teamviewer (cannot share code)

    $13 (Avg Bid)
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    2 bids
    AI DEVELOPMENT 1 day left

    Hi I have a system that I need to be done is about currency trading with Economic indicators I will like to be build Automatically the Economic indicators and the scorecard So the same process will be for 10 Currency Peers And also I like the data when it's released to be automatically updated and graphics to be correlated so for example we correlate PMI with the GDP growth the same thing ...

    $2400 (Avg Bid)
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    5 bids

    Hi! I am looking for someone who have great knowledge of PHP and AJAX for save Form data in database and display result in HTML. Its just 10 Minutes and My Budget is Fixed $5. If you can do it right now, Please bid here with word called "LETS DO" so I can talk and hire you. Thanks!

    $5 / hr (Avg Bid)
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    8 bids

    Need expert developer to 1. Display database table in simple html table with color codes (color codes based on css) 2. Realtime update from db without page reload 3. Generate a very simple chart Bonus for developer who can create stored procedures in mysql which can do realtime calculations as soon as data change in mysql db Immediate start, Max Budget USD 100

    $108 (Avg Bid)
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    46 bids

    We have an eCommerce site which needs improvement in terms of Front-End. We need an Interface developer who has strong understanding of below technologies, -- Strong AngularJS 1.6.3 experience and its MVC structure. -- Strong understanding of BootstrapJS -- HTMP5 -- Fluent in CSS , JS, Jquery. -- Person who has experience working in developing front-end of .NET Core application will be prefer...

    $307 (Avg Bid)
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    5 bids

    There is an application state management problem. The application state, representing which city the user selected, is being stored in several places: the local Storage cache, javas script, and the MySQL database. All of those need to be synchronized. That's why every time you click on a city or state or country, it's changing the local Storage. city_id and updating the server so that th...

    $605 (Avg Bid)
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    5 bids

    TechStack: Django & PostgreSQL backend wirh Javascript Frontend. Description: Basic Dashboard displaying complex tree table with queries from ORM with multiple filters needed to be fixed ASAP. Currently performance is very bad as the site freezes and sometimes even crashes. I need a skilled developer to give advice and fix the issues as soon as posibble! - Design does not matter.

    $7 / hr (Avg Bid)
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    9 bids
    PHP Website Development 13 hours left
    VERIFIED

    Need a developer with good knowledge of php,sql,ajax,css,html,javascript and able to work each day for 4-5 hours for a duration of up to 3 months. Students and new freelancers are more than welcome to bid on this project.

    $348 (Avg Bid)
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    41 bids

    The project aims to create a task management system to be used by industrial teams to run on a domain to be provided to the designer. The working logic and setup of the system will be communicated to the designer so that the details will be shared later. The project aims to create a system of assignment, follow-up and reporting of teams between and within corporate organizations. It is foreseen to...

    $675 (Avg Bid)
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    32 bids

    Custom coded classified ad website with multi-functions features outlined in system requirement attached document. supports a backend management system that allow easy management of website for person with limited or no programming experience. programming language requirement includes; Php, JavaScript, angular, react, Jquery, ajax, Json, bootstrap, CSS, html5, mysql and others

    $709 (Avg Bid)
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    27 bids

    I need a Php and Javascript expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $2 - $6 / hr
    Sealed
    $2 - $6 / hr
    15 bids

    We need a new website. Which will be focused on online training and maintaining course materials (both in PDF/Video format). It will be linked to a payment interface. New users will sign up and make payment. depending upon the type of course selected, they will get appropriate access to respective course.

    $178 (Avg Bid)
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    9 bids

    I need a Php and Javascript expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $2 - $6 / hr
    Sealed
    $2 - $6 / hr
    17 bids

    I need a Php and Javascript expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $2 - $6 / hr
    Sealed
    $2 - $6 / hr
    22 bids

    PLEASE DO NOT WASTE YOUR AND MY TIME SENDING ME A IMAGES TO THE READY TO GO CRYPTO PLUGINS I KNOW HOW TO SEARCH, BUY AND INSTALL THEM!!! I NEED CUSTOM SOLUTION FOR "WISE TOKEN" I Need a custom script or plugin for WORDPRESS. PLEASE READ TO THE END!!! This script must generate a Real Time LIVE WISE (WISE TOKEN) Stats that is based on ETH (ethereum) This stats must be pulled from ether...

    $47 (Avg Bid)
    Guaranteed Top Contest
    $47
    10 entries

    buen dia busco programador "(Removed by Freelancer.com admin)quiero desarrollar una app de cobro o un archivo exe para el desarrollo de mi idea de trading lo cual es opciones binarias quiero desarrollar mi aplicación que mande señales ala alza y baja de echo pueden copiar el codigo de programas ya hechos en paginas y pegarlo en un nuevo disño que tenga mi logo eso es lo q...

    $10 - $30
    $10 - $30
    0 bids

    Il Data Base del sito ha un errore Ajax, puoi correggerlo?

    $48 (Avg Bid)
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    5 bids

    Me gustaria encontrar a alguien que pueda desarrollar un metabuscador para la industria turistica, que pueda ser accesado por una app, computadora y por voz como por ejemplo Google Assistant. El objetivo es que la persona ingrese o diga ciertos datos y el buscador le arroje la informacion concentrada sobre lo que le interesa.

    $2277 (Avg Bid)
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    27 bids

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