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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    181 jobs found, pricing in GBP

    I need a developer who can connect metamask wallet and integrate payment gateway for my publishing site.

    £1865 (Avg Bid)
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    73 bids
    React and Node.JS developer 6 days left
    VERIFIED

    Looking for backend and frontend developer. . Project is about thirdparty-API integration mostly. No PAK CHINA

    £179 / hr (Avg Bid)
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    54 bids

    Hello, I will to integrate bluesnap payment form into react FE pages Only experienced needed Thankyou

    £83 (Avg Bid)
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    6 bids

    There will be 2 sites in Next JS For eg: - You have to check in Next JS Middleware that what domain name you hit and from that you have to return API data. If someone hit "" from there browser then first it will check in middleware that which hostname had been hit. And after that it will return API. After that API JSON data that we return need to store in session of website and from there data should come. So you have to make just one component to show that data of site will come from JSON data which is stored in session. OR You have to check in Next JS Middleware that what domain name you hit and from that you have to return API data. If someone hit "" from there browser then first it will check in middleware that which hostname had been hit. And when we get ho...

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    - A colorful Tinder theme. - Implementing Tinder’s API to signup, edit, and send messages. - Implement Captcha and Proxies to limit the bans. - Each model will have the ability to create unlimited accounts. - Each of those accounts will have the same Bio and Pictures. - We will need an option to input Bio and Pictures that needs to be posted. - We should have the ability to send automated messages to each match.

    £448 (Avg Bid)
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    New social app to be finished 6 days left
    VERIFIED

    Hi. I started this project a while ago and I'm at my wits end to get the final (last 3rd?) of the details done to launch. It's a social web app that I developed in Node.js (express), React and Postgres, using json webtokens, websockets and and webRTC for most of the functionality. It's different from other social apps in terms of not having a timeline and posting of photos (yet at least), and the main interaction is via chat or calls (that's where the websockets and webRTC) come into play. most, if not all functionality in React is done, but with zero styling - although I have a logo and some guidelines by a graphics designer. What I need is someone to get the UX/UI done, that's capable of fiddling with the backend to keep things going. The ability to work th...

    £464 (Avg Bid)
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    First Page of Booking Website 6 days left
    VERIFIED

    Develop a booking web application, and the landing page is attached. We are looking for a ReactJS developer who can build the web application for me, you need to call a few Rest API functions to get available appointments, and then display it on the website as requested. After you develop this page, if we are both happy with each other, we can negotiate the rate and develop the whole project in three months

    £294 (Avg Bid)
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    I'm looking for a blockchain developer that knows react to build an analytics platform that scans the blockchain where we could figure out how many wallets are long term holders vs short term holders of a token. This would first be done to build an analytics platform on top of BNB chain. I am in the process of building out a team of really talented people to build out a new crypto currency called Oaysus. One of the spots I am looking to fill is for an Blockchain Developer. I'm from the United States working with a mathematician from the UK and a designer from Ukraine. Users in our analytics platform will be able to connect their wallets, share their analytics insights / knowledge, sync their youtube channels and twitter feeds and earn subs paid for in our token. The twitch of cr...

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    Required Reactjs developer cum designer.

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    React native developer freelancer only

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    Hi there, I have mockups for a UI for a web app that I need converted into a react.js frontend. The mockups are complete and well developed, though in PNG format (no layers). Please include the term "opens" in your bid so I know this was read. Please include a link to previous react.js work. Thanks!

    £218 (Avg Bid)
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    Need metamak wallet upgrade 6 days left
    VERIFIED

    I have my webapp with the metamask wallet integration is done and i need to show some content after successful connection

    £13 (Avg Bid)
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    5 bids

    I'm looking for a blockchain developer that knows react to build an analytics platform that scans the blockchain where we could figure out how many wallets are long term holders vs short term holders of a token. This would first be done to build an analytics platform on top of BNB chain. I am in the process of building out a team of really talented people to build out a new crypto currency called Oaysus. One of the spots I am looking to fill is for an Blockchain Developer. I'm from the United States working with a mathematician from the UK and a designer from Ukraine. Users in our analytics platform will be able to connect their wallets, share their analytics insights / knowledge, sync their youtube channels and twitter feeds and earn subs paid for in our token. The twitch of cr...

    £21 / hr (Avg Bid)
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    24 bids

    I'm looking for Ruby on Rails / Reactjs developer to create a simple api/react front end

    £127 (Avg Bid)
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    24 bids

    I've been trying to run a react application but my localhost throws the following error: ERR_CONNECTION_REFUSED I need to fix this so I can continue working

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    23 bids

    add odd numbers from 1 to a certain number

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    Support required for java,springboot and reactjs.

    £282 (Avg Bid)
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    10 bids
    ReactJS - Firebase -- 2 6 days left
    VERIFIED

    Hi I have a ready ReactJS UI it needs a little development, Also I need to connect the UI with a Firestore Database. and create Google cloud functions This is my website : You have to complete this project following these steps : 1- update current Class Diagram if needed by you 2- Create A Sequence Diagram code based !!!! 3- Implement the design and Features and full working solution website Skills needed - NodeJS / ReactJS Latest version and practices / Redux / Google Cloud platform ( Firestore / cloud functions / Ads ) My Budget is fixed 600$ Milestones are 1) tasks 1 to 2 : 100$ 2) task 3 : 500$ Duration of this project : 1 Month from Awarding the project Milestone 1 deadline 1 week Milestone 2 deadline 3 week If you are interested in this...

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    Hello Don't bid who you can't accept fulltime monthly salary work. We have monthly range between $500~$1000 base on your skill level. I am looking for react and typescript expert who can join my team You will work directly with me daily . The language is mainly typescript. You must be expert in react/typescript and frontend development If you aren't an expert and not interested in the salary range, dont waste my time and your time! Let me know who can do this role Thanks

    £510 (Avg Bid)
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    Hello, my name is Manuel and I need a React JS programmer for my website (Digital Consulting). My requirements for this project are as follows: - Frontend - Backend - UX design available - UI design (images, fonts, colors available). - The project will be built as a subscription model - Registration functionality - Header, footer and structure - Career page - all work must be transferred to me as the owner - I need the website on the following applications: Desktop windows/iOS, Mobile application Android/iOS. - The website will have about 30 subpages - The website needs to be connected to the cloud so that I can download and upload documents on my own - Comparison page of a prototype - A fixed price will be defined before starting (no hourly rate)

    £2129 (Avg Bid)
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    I have a React app and I need to link it to a storyblok project, so that I can retrieve the information from Storyblok.

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    we need a metaverse platform where players and teams can play esports tournaments. Each team can have their own arena,each team should have their own token and new user can stroll in the metaverse.

    £12933 (Avg Bid)
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    We’ve developed a Job management System using ASP.NET Core, and jQuery. The backend is a .Net Core API with MSSQLDB. We want to port this application to a new frontend application using new technologies. The backend will stay the same, but an API will be provided. We’re looking for an experienced React / developer with experience developing PWAs to redevelop our application in Next.js. We want to utilise all the features has to offer. However, if an experienced developer feels we can create using create-react-app then we can discuss this further. Any additional input here would be appreciated. Your Daily work will consist of 8 hours, and you work goals will be posted on to a Trello board for you to ask questions and complete tasks etc. You will be uploading completed works v...

    £10 / hr (Avg Bid)
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    Its a very small and quick job, unfortunately its taking me a few hours to figure it out already and i lost enough time. Its a simple change of background color of a react website in the control panel and on the public facing site. The background or theme color is green and i want to change it to white or dark gray. thats it. below is the image of the website for review. I have access to the control panel from my local only, you would have to connect with anydesk or some other remote pc type of software. any questions just chat me.

    £10 (Avg Bid)
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    We need a REAL responsible independent modern frontend developer accompanied by a cool attitude that has great English and is available to start immediately. Ecommerce Frontend Developer, required experience with Magento 2 ecommerce and Figma. The job to improve production Magento 2 frontend systems for UX/UI working closely with designers to deliver outstanding results, using an array of modern frontend technologies. Robotic frontend coders, need not APPLY. How to Apply - Start your application with "This is why I am the best frontend dev you will find". - Post your computer specifications in your reply. Thanks for your time

    £17 / hr (Avg Bid)
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    36 bids

    We want to develop a project in Asp.Net MVC with SQL server database. This project will include Login Page, Registration Page, Employee and Admin Portal

    £145 (Avg Bid)
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    7 bids

    I already have a blockchain project now. but this have 3 bugs, so I need talented developer. This is made with react. So the developer need to know well in react, web3 integration. If you are interested, please bid with "web3 integration" on topline. After select the freelancer, I will share more details.

    £25 - £206
    Sealed
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    25 bids

    i have a multi step form, and i want you to create a backend that stores data from that form and stores in mongodb. its as simple as that.

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    Build a website to compare booking offers and redirect user to the best offer ( like )

    £419 (Avg Bid)
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    Looking for react/redux developer with Laravel experince on montly basis.

    £593 (Avg Bid)
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    We are looking for a Developer to finish our React application for the long-term. We already have a fully functional web socket server and a functional react application with a state-of-the-art infrastructure from experienced developers. The project is currently in a stage where we implement well-defined designs from Adobe XD into the application and fix the latest bugs before a beta release. Required Experience: TypeScript - Solid understanding of JavaScript and Typescript - You are confident in handling data in JSON format - Knowledge of writing WebSocket client applications (WebSocket API) React - Solid knowledge of React, TSX and Hooks - SASS/SCSS, CSS-in-JS or Styled Components (Translating UI/UX design wireframes from Adobe XD to code) Frontend Development - Knowledge of JavaSc...

    £26 / hr (Avg Bid)
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    I want build What's App Web Robotics API Panel, From there user can scan What's App Web QR and activate there what's app robotics web API. And use of those api what's app msg. Should be send.

    £533 (Avg Bid)
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    Need a React Developer to design of Particular panels. If you are interested and available to then apply.

    £2 / hr (Avg Bid)
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    26 bids
    Upload a react to the heroku 5 days left
    VERIFIED

    Hello everyone, I have a project react that I want to upload to the Heroku hosting, together explaining the method of uploading and sending the modified files .. Together to ensure that the project is working .. Upon acceptance of the offer, the project files will be sent

    £6 / hr (Avg Bid)
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    This project is based on java, spring boot, JWT authentication, and react js. Need a small application for managing real estate.

    £49 (Avg Bid)
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    Hello, Everyone I am looking for senior MERN Developer. Please make proposal if you have enough experience there. Don't waste time if not experienced. This is 6+ months long term position. And you must pass the test during 2 hours.

    £42 / hr (Avg Bid)
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    Need someone to develop Question paper Generator which will generate question papers by fetching questions from db based on the number of marks selected. It will have user login, sign up, 2 factor authentication, payment gateway. Need someone to develop this project in Angular/React and Dot net/Node js. Please contact me, if this technology criteria is fulfilled

    £605 (Avg Bid)
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    I have a React Native App (IOS and Android) with React Backend. I need a Professional React UX/UI Designer to improve the look and feel of the Admin Backend. You must be able to work with the current App Developer to integrate the codes seamlessly without changing the Apps. Please see samples of the kind of UI and Layout we need here:

    £1963 (Avg Bid)
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    60 bids
    Build A website 4 days left

    create a website with high responsibility with a simple design untill medium design.

    £460 (Avg Bid)
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    167 bids

    react native developer needed for application development person should know each and every step from scratch to put live

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    We are looking for senior react and gsap and developer who can handle the project related with them. We want to redesign the site. The backend is already done and we hosted the website. If you are interested in this project, please share your experience and projects. Please write "I am human" on your proposal. You should be ready to begin. Good conversation and English. Thank you

    £11 / hr (Avg Bid)
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    Looking Full Stack Developer 4 days left
    VERIFIED

    Hello, I'm looking for full-time resources with the following skils: location: Work from home. Open positions: 1 to 4 years of experience Skills: React.js, TypeScript, NOde.js, PHP, CI, and Laravel Who is ready to work in the EST time zone. Thanks

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    Ovulation & Period Tracker 4 days left
    VERIFIED

    I need to build web version of following mobile app. but no need chat and video courses. another example is need to finish this job in a week. User data should be encrypted on database so that nobody can read it. I think following is a good example for content encryption. as you can see from the example apps, database/backend will be simple. You may reuse your favorite open source if you can find it. I prefer react.js or angular based on mongo db or firebase, but PHP/Msql is also good if you can finish it perfectly on quality and security. Budget is $400~$500, if you can finish quickly with good quality, I will pay bonus. you shouldn't share source code once project is completed. NDA sign is required.

    £412 (Avg Bid)
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    React + Node Expert -- 3 4 days left
    VERIFIED

    Hey, This is my concern about login Currently, in the project the user logs in with it's username and password, it gets an access token only. When the access token expires the user is not authorized anymore. In the task I want to have a refresh token, which will be stored in the cookies. When user loggs in, it gets the Access token and the refresh token. When the access token expires the client side sends a request (with the refresh token in the cookies) for a new "access token". If the refresh token is valid the server responds with a new access token and a new refresh token. - type vfrewq before your praposal then after I'll check your praposal Thanks

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    Need to create a website on aws using react. Objective: 1. Upload video to s3 bucket and save reference in database. 2. Able to create different zones and assign saved videos to these zones ( zones are as in tags like pincode, type of video) each player will have grouped in these tags, so for each playerid, we need to get their respective tags and maps to the video's tags and return the result). 3. Api should be available to get the list of videos and it's data like size and language according to the zones. 4. Api should be available to download specific video as per the list. 5. API should be deployed using lambda services. 6. API should have authentication by cognito. 7. (optional) Any video player react app, that download and play the video from the list obtained from API. De...

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    Your job will include below tasks for the project and to ensure completion. Review the existing azure ad setup as per the business requirement. We have used php library called "SimpleSAMLphp" for integration with azure ad to our web application. We authenticate Microsoft email and password and get response from Microsoft. In this process we have to put email and password in the Microsoft screen and then the integration has started. Our requirement is to create an URL (Application URL) where we should embed the Microsoft email and password and it will integrate with Azure AD and after successful authentication, response should come accordingly. We do not want any Microsoft screen where we need to put email and password. Also we need some token or session parameter by which we ...

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    Hi, we are looking for an app that has the same format, design, css,etc as the web app Zillow, must be in React, Firebase and responsive design, must has the login, filters areas, etc.

    £327 (Avg Bid)
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    Hi, Freelancers! I am new to Freelancer.com. I think I will be able to look for a real React.js master here. Only American Developer is needed! Thank you, guys.

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    Client looking for coin listing website like as client reference - Listing of cryptos - Search engine with filters such as volume, kyc, market cap, percentage change. Access to the platform will be free with limited functionality. You have an example with which gives limited free access. Access to the platform must be possible for investors holding a certain number of tokens if they do not have tokens that have limited features and to use more features they need to buy a subscription. Below you will find the answers to your questions: 1. How many blockchains should you use? For example, see the image below. To start with, it is best to integrate the following blockchains: NBB Smart Chain, Ethereum, Cronos, Solana, Avalanche and Polygon. 2. What type of wallet integration is needed to do ...

    £206 - £619
    Sealed
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    33 bids

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