React.js is an efficient, declarative, and flexible open-source JavaScript library that is useful for developing user interfaces specially for single page apps. With React.js, users can build complex user interfaces from “components.” Components are small and isolated pieces of code.

React.js can also be used as a base in the building of both mobile and single-page apps. Although, complex React.js apps usually require additional libraries for interaction, routing, and state management with an API (Application programming interface).

React.js makes it possible for developers to design large web apps which can change data, without reloading the page.

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    123 робіт знайдено, ціни вказані в USD

    "DONT QOUTE WITHOUT GOING THROUGH THE DESCRIPTION" The web app/hybrid app is already developed. Chat, pop up notification and navigation button functionality needs to be added/bridged both for IOS and android

    $493 (Avg Bid)
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    Set school work day (MTWTF/SatSun Weekend or MTWTS/FridaySunday weekend ) Set preferred or unavailable time periods for teachers (most important) Set Class Scheduling Set/Customize class/course period lengths (MW/MWF/TuTh schedules ) Assign teachers to a specific room or time period Generate your schedule automatically (most important) Avoid double-booking classrooms and teachers(most impor...

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    Project for Miracles Group 6 дні(-в) left

    Project for Miracles Group - several React components

    $20 (Avg Bid)
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    5 заявки
    Create Script For mTurk Task 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Looking for a script for a particular task on Amazon's Mechanical Turk. The script involves pre-selecting radio buttons and key mapping. More details provided in messaging.

    $58 (Avg Bid)
    Обраний
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    10 заявки
    ReactJs google auth in existing app 6 дні(-в) left
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    I need to implement google auth in an existing app

    $23 (Avg Bid)
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    13 заявки
    Build me a website 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello. i have a project that requires your services. Please look at the google docs and let me know if this is something youre interested [увійдіть, щоб побачити URL]://[увійдіть, щоб побачити URL]

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    MERN Project React: Add Google Adsense and Design Changes 6 дні(-в) left
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    I own a website based on the MERN stack/React, and need a developer to assist with adding Google Adsense and some design changes.

    $235 (Avg Bid)
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    Yubikey integration with ReactJS project 6 дні(-в) left
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    I am looking to integrate the Yubicloud platform with my ReactJS project in order to use a a Yubikey physical key in order to authenticate a user and access the react app Stating your experience with this and how you would accomplish it quickly moves you to the front

    $88 (Avg Bid)
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    React js developer 6 дні(-в) left
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    I need react developer with good in Design. I will provide good details for perfect bidder. I have site and source which is almost done. Need to be correct with xd design. So it will be easy job and need to be finished soon. Only the guy who read the details will be accepted. This will be long term job with backend after design done.

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    Hi, I am in need of a custom React JS component. It should be a calendar component with custom flagging. We should be able to add custom text or icons for each date fields. Thanks.

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    30 заявки
    Shopify App Developer 6 дні(-в) left

    I am looking for Shopify App Developer for a Long Term Commitment. This will be a Full-Time, Permanent and Remote Position. If applying, you should have 1+ year experience and at least 2 apps published in Shopify App Store.

    $4652 (Avg Bid)
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    We need an experienced React Native app developer. The app was built with RN and completed 90%. JUST we need to finish this app at the end. Please apply if you are able to start immediately. It will be long term relationship if we are aware you are good person for us. Thanks

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    Looking for a developer with high level of expertise with Node.js & React.js/React Native. Requirements will be shared via chat

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    23 заявки
    Need Senior Node, React, Express, Sails, MongoDB Developer 5 дні(-в) left
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    Need Senior Node, React, Express, Sails, MongoDB Developer. 1. What will be the best approach so that multiple freelancers can work on the single project. 2. How to do the rapid development.

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    Build me a website 5 дні(-в) left

    Managed home rental service in India. Features our website will have: * User Authentication using phone num,fb & Google. * User can add own property. * Detail description of property. * Live google map location of property. * Search & Filter Property * Chats & supports * Payment Gateway * Rate and comment property. * Google Admob Integration. * Add property to favourite list.

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    We need an e-commerce web application to sell our products as well as services. Products can be bought directly by the user by paying online. Services can't be bought directly, it requires a confirmation from our side regarding the payment. The user requests for a quote and we decide the price and ask him to pay that amount online. All payments involve discount coupons generated by another...

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    web applciation b2b 5 дні(-в) left

    need to develop a web page and web application to site for B2B. If you are in react js mandatory and based in Mumbai or Bangalore prefered its back end with multiple acc creation as sellers

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    UNIQUE offer: Full Stack, MERN, AngulAmerican team 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    ARE YOU MULTINATIONAL QUALITY? ARE YOU LOOKING FOR FULL-TIME JOB HERE? ARE YOU A FIGHTER WANTING TO PUSH YOUR TALENT TO THE LIMIT? >> Have you dreamed of working regularly for an American company and not worry daily about getting projects? >> Do you want to spend more of your day in developing than selling and competing for projects? AVAILABLE NOW We need a very experienced front...

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    Build a website for game 5 дні(-в) left

    * Front End html5 - Canvas tags should be applied to the entire screen react - must process the data through redux design sameple site : [увійдіть, щоб побачити URL] * Screen configuration 1. GameListPage - Go to game play when selecting one of the list 2. GamePlayPage - gamevideo and gameresultboard screen , Timer Action , playlistbtn Timer ex: - Decrease by 1 from [увійдіть, щоб побачити ...

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    Looking for Java and react developer 5 дні(-в) left
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    Hello, We are Looking for Java and react developer, Please send your details experience in your proposal. Thanks!

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    Web Browser Automation + Form Data Injection Project 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello, We are seeking a developer that can automate a process where user inputted data is captured from one instance and can be mapped to a web-browser based form in another instance. Setting up triggered emails and creating a way to view orders will also be required. Please reach out if you feel you have competencies in browser automation. Thank you.

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    Intermediate/Senior UI Software Designer 5 дні(-в) left
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    Looking for a great Java/JavaScript UI developer with an eye for design, who can derive requirements and own product usability. Being proficient with the React.js and Angular web frameworks is ideal. A firm familiarity with the Linux operating system, networking concepts and configuration is a must. Your primary focus will be on developing user interface features and implementing into the Cord3...

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    Місцевий
    $27858 Сер. заявка
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    There are multiple projects. Your duty is to help my business. Requirements: - Vuejs, Django, React, Angular, React Native, Ionic, IOS. - Cloud computing - Amazon experience - PHP, NodeJS, Mongodb, Laravel If you are located in Asia don't bid, waste time, bidder. If you are going to negotiable for budget, don't bid. Clearly, Hourly MAX - $5. $3 is fine. MAX - 50 hrs should be worked. ...

    $10 / hr (Avg Bid)
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    Build E-commerce Website 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hi, I am looking for a web designer expereince in following: - Magento 2 - Ui/Ux - React Use keyword "DF(*UDA)J" in your proposal to build a website very similar to [увійдіть, щоб побачити URL] with additional features such as - Special Offers (Buy X product/s and get Y product/s either for free or on discount at percentage OR fixed price)

    $641 (Avg Bid)
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    Create simple WYSIWYG editor for images 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need a custom image tool to allow our team to build images faster. Users must be able to add, move, modify text and images on the image canvas. The tool should be able to save template to database for future use. Final rendering of image canvas should be output to JPG or PNG image. This application be single-page WYSWYG style image editor that runs super smoothly in a desktop browser. Mul...

    $1199 (Avg Bid)
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    I am looking for a Mern Stack developer. 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    I want to build website using mern stack technology. And I need very nice and modern design, too. Please apply only senior mernstack developers who has experiences for 5+ years Also please attach some of your work history related with Mernstack in your proposal Thank you

    $463 (Avg Bid)
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    Looking for Xamarin Expert 5 дні(-в) left

    I have a big xamarin project. Before start work i will test small test if you are expert. Test is simple page design. Don't bid and waste time if you are not xamarin expert. Auto bid will be reject.

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    Full timer- node.js+react+angular1 dev - 1yr contact - -- 3 5 дні(-в) left
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    **No one passed our test, anyone is able to take the challenge and get a 1-year contract? *** We are looking for a serious, full-time developer to join us for a 1 yr contract. Must: have 3 yrs of web experience Must:>2 year experience with node.js Must:>1 year experience with angular1 Must:>1 year experience with react Must: Speak Russian/English Optional:AWS,mongo,MySQL As part of our ...

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    Major Design Changes and Minor Functional Changes and Admin Pannel changes. Please view the Document before bidding

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    I need a React JS and React native developer for an urgent project and require help on this weekend as well. Please make the bid if you are available this weekend.

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    React Native Task 4 дні(-в) left

    I am going to make a app with React Native. I need talent developer. Please bid if you have top skills. I want to bid european and american developer. Thanks.

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    There's a project built on nodejs, reactjs and mongodb. I need the developer to change the frontend part of it so that it looks a bit different. Need it done within a week. The work required is quite less and won't take more time than that.

    $17 (Avg Bid)
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    I need a web developer 4 дні(-в) left

    I need a web developer: React, HTML5, CSS3, Laravel , MySql, Git We are looking for an ongoing collaboration on the project by experienced developers.

    $15 / hr (Avg Bid)
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    React TreeMap 4 дні(-в) left

    Looking for a senior React developer to get our project done. Required skills : React, react-treemap, MongoDB response. The detail document will be attached during interview. Regards

    $193 (Avg Bid)
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    Major Design Changes and Minor Functional Changes and Admin Pannel changes. Please view the Document before bidding

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    Need React Frontend Developer for ongoing project based on FUSE 4 дні(-в) left
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    We need a React frontend developer to make a user/admin dashboard. Would like it to based on Fuse theme ( [увійдіть, щоб побачити URL] ) We will provid API and you will make the frontend. Need functions such as role based user login, data tabels with server side paging. Please start your comment with fuse19

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    React - minimize bundle.js 4 дні(-в) left
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    My react [увійдіть, щоб побачити URL] has the unacceptable size of 20MB (production). I need to reduce it in the acceptable level of under 2-3 MB (I will still be very satisfied). I am using the WebPack, latest version. I am looking for an expert in the field for a quality and quick work.

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    Full Stack Development 4 дні(-в) left

    Gatsby + Reactjs Backend Nodejs FrontEnd Backend API Database HTML QR Code

    $32 / hr (Avg Bid)
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    We need a front-end developer to develop our cooperate website with React. We used Zeplin to our designs. Website designing includes 5 pages with similar design, color etc. Time is very important We have only 3 days to get project

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    ANGULAR and Full Stack MERN - full time - American team 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    ARE YOU MULTINATIONAL QUALITY? ARE YOU LOOKING FOR FULL TIME JOB HERE? ARE YOU A FIGHTER WANTING TO PUSH YOUR TALENT TO THE LIMIT? >> Have you dreamed of working regularly for an American company and not worry daily about getting projects? >> Do you want to spend more of your day in developing than selling and competing for projects? This maybe the opportunity AVAILABLE NOW We ne...

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    Build admin panel using React.js and Node.js 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    We have an admin panel to develop with the following tech stack: Front-end: React.js Backend: Node.js (Express) We have an approximate design and structure of the admin panel ready along with the database. So, the job is to build front end and back end of the admin panel, and they communicate through REST APIs. The back end communicates with mongo db, and AWS api (for images). To have an idea...

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    Half done project. Need to integrate front end amplify authentication with express backend using REST API

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    (Sorry NO Asian developer) We are developing the modern web application with React and Node. It is bought and used by other organizations, small and large as a SaaS. We are looking for Full-Stack or Front End developers to become part of our development team. We are using modern technologies such as React, Redux, Node, and GraphQL. Hosting is performed using AWS serverless. A long-term full-tim...

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    Reactjs app deployment error fix 4 дні(-в) left
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    Hi, I am using Reactjs app in Microsoft VS 2017 and it works fine when runs locally. But when publish, it shows blank page instead of showing app page. Looking someone who can help.

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    Time clock 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need to make a clock for virtual employees to check in and out, go to break and return, that will record those activities and show them to the administrator. The admin will be able to edit them. I have an application right now that does what I need, but I'm paying for it and I want to develop my own. I can give you the credentials so you can see it. I don't care what stack you use, as...

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    I'm looking for a Front-end developer who is an expert in React.js, Bootstrap, and GraphQL. Responsibilities: - fix some issues on existing project - add new features - optimize speed and scalability - collaborate with other developers Please let me write your work history like this project on your proposal. Newbies are welcome. Great Feedback guaranteed. Thanks.

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    React. js developer required 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need a developer, experienced with React js as soon as possible.

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    react graphql apollo frontend 4 дні(-в) left
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    so we are building a full website i have already started it fullstack. however, in order to speed up development i need someone to complete the frontend part which is being developed using react apollo and pure css. packaged with webpack. im looking for egyptian developers. PLEASE START YOUR MESSAGE WITH "Hi Amr, i am" JUST TO KNOW YOU ARE NOT A BOT!!!

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    We are looking for a senior experienced Python dev to be available on call during US working hours. This is to help with BE development and any issues as we head to release our behavioral health/ gamification responsive web app, catering to thousands of users. We have a small distributed team with a superb backend dev, who is only available in the middle of the night US time, so the requirement i...

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    I have laravel website can someone fix laravel website its not scrapping Developer detail.

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