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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    276 работ(-а,-ы) найдено, цены указаны в USD
    Middle fronted разработчик Angular / React 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Разрабатываем digital-решения для бизнеса. Создаем сайты и web-приложения, программируем сложный функционал систем, продумываем дизайн, проектируем интерфейс. Ищем в команду Frontend разработчика (strong junior, middle) с уверенными знаниями Angular/React. Что нужно будет делать: Поддерживать и дорабатывать функционал крупных проектов на Angular/React. Формат работы удаленный Требования:...

    $250 - $750
    Скрытый
    $250 - $750
    8 заявок(-ки)
    React Native login source project to use Redux 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need working React Native login source project has login function If you are expert, please send me proposal

    $220 (Avg Bid)
    $220 Ср. заявка
    16 заявок(-ки)
    ReactJS add points to image and call REST API 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a working demo built in ReactJS with the main purpose of adding and removing points that will act as coordinates above an image. The image scale is a square that should aim for 0-60k values along his x and y, and must present the following functionalities : - Let user choose from different stadiums - Present the stadium image with x and y points retrieved from a REST call - Allow the user...

    $38 (Avg Bid)
    $38 Ср. заявка
    12 заявок(-ки)

    We are looking for a Senior React Developer with the following requirements: We have an eCommerce website built with JavaScript React and Node. We sell golf accessories on eBay, and other websites, besides our website. Requreiments: - Review the code current team produces - Give feedback - Mentor the team to improve the code quality - Willing to get your hands dirty and do coding as well - Abil...

    $12 / hr (Avg Bid)
    $12 / hr Ср. заявка
    24 заявок(-ки)
    Blockchain deveoper needed 6 дней(-я) left

    Looking for an experienced developer for a 3–6-month project. You will work with a team of international experts for this project. This contract includes multiple sub-projects. Must be experienced with React Js, Node Js, [войдите, чтобы посмотреть URL], solidity, NFT and Ethereum. Please note we are creating a Rich Internet Application, not a website/blog/etc. We have specifications availabl...

    $2562 (Avg Bid)
    $2562 Ср. заявка
    4 заявок(-ки)

    This request is the first step of building an MVP for my product concept. I would like to build a browser-based ebook reader using the open-source ebook standard Readium. To get things up and running quickly I would like to also use Material UI on Gatsby. I have the accounts set up, git is ready with some starter files. Page 1: • See a list of available ebooks, click to select one. Note: ebo...

    $138 (Avg Bid)
    $138 Ср. заявка
    13 заявок(-ки)
    ddyceproject 6 дней(-я) left

    im looking to build a site like [войдите, чтобы посмотреть URL]

    $4430 (Avg Bid)
    $4430 Ср. заявка
    8 заявок(-ки)
    Backend developer needed on hourly basis 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Needed Node JS developer along with React knowledge needed on the hourly basis . AWS experience is an addon .

    $5 / hr (Avg Bid)
    $5 / hr Ср. заявка
    7 заявок(-ки)
    Senior Node.js Developer Required To Fix CORS Error 6 дней(-я) left
    ПОДТВЕРЖДЕН

    We are looking for a full-stack developer having good expertise in Node.js, React Framework, and MySQL to work on our enterprise-class application used by customers, service providers, and BitVelocity's internal support staff. You’ll be part of a great technology and business team in a dynamic market. This project requires you to fix CORS error in our system and get the incoming extern...

    $81 (Avg Bid)
    $81 Ср. заявка
    34 заявок(-ки)
    Web developer 6 дней(-я) left

    I need you to design and build my personal website.

    $3 / hr (Avg Bid)
    $3 / hr Ср. заявка
    21 заявок(-ки)

    Lebanese location only. Building a SaaS MVP and looking for Lebanese developers. I need someone to design and build out the front-end website, dashboards, visuals, etc. while working with our copywriter and back-end devs. Nshallah if all goes well with the MVP launch this would lead to a full time position. Let me know if this is something you can do in Bootstrap and React. Back-end will not be ...

    $17 (Avg Bid)
    $17 Ср. заявка
    9 заявок(-ки)

    I am looking for who can make and implement barcode reader. I have a web application. but that usually use on mobile. This web site made of use React js and Laravel. I need to insert new function that can be read the barcode on If I use mobile. New function will have get product price and description from barcode.

    $136 (Avg Bid)
    $136 Ср. заявка
    13 заявок(-ки)
    React Native work 6 дней(-я) left
    ПОДТВЕРЖДЕН

    We need a React Native developer to work with us on a long-term React Native project for an Amsterdam-based startup. Requirements: - Excellent knowledge in React Native - Ability to integrate with 3rd party libraries such Firebase and Mixpanel - Good grasp of GraphQL - Experience with expo is a plus

    $12 / hr (Avg Bid)
    $12 / hr Ср. заявка
    13 заявок(-ки)

    -- very important to read here --- your MEAN / Node.JS or other server side skills *** OTHER THAN *** ASP.NET/C# is *NOT* relevant here, and will be ignored, so don't bid if you are not a true DOTNET ASP.NET master with *** lot of experience *** dealing with building WebRTC solutions (dealing both with Browser JS WebRTC API and Stun/Turn/Media WebRTC Servers). ================================...

    $2187 (Avg Bid)
    $2187 Ср. заявка
    4 заявок(-ки)

    Hi, we are looking for a developer for the following task: Repository to start from: [войдите, чтобы посмотреть URL] Goal: To save & load multiple BrowserViews with a button click. This means that cookies/localStorage/sessionStorage/etc must be persisted locally. Also, the user has the ability to add/remove BrowserViews dynamically. There are no constraints on the type of persistent storag...

    $185 (Avg Bid)
    $185 Ср. заявка
    7 заявок(-ки)
    Criar site responsivo para robô de trading 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Preciso criar um site responsivo do zero para meu robô de trading. O site irá conter 5 - 6 telas ( Modelos de exemplos estão anexados ) 3 idiomas ( As traduções já estão feitas ) Necessário criar um banco de dados mysql ( Irei mandar a estrutura) Resumo do projeto : O cliente inseri as informações no site, que será grava...

    $227 (Avg Bid)
    $227 Ср. заявка
    12 заявок(-ки)
    React Application 6 дней(-я) left

    A web application which has built using react.js and is deployed on AWS ec3 and s3. You must have React JS technology and Crypto knowledge. It must interact with Metamask. It has a chart that shows the price of tokens and transaction list using ether js. Please do not bid if you are not export of React

    $560 (Avg Bid)
    $560 Ср. заявка
    49 заявок(-ки)
    Build Websites for Clients 6 дней(-я) left

    I represent a French company and I'm looking for longterme partenership with 1 front-end and 1 back-end freelancer.

    $8628 (Avg Bid)
    $8628 Ср. заявка
    75 заявок(-ки)
    I need React Expert. 6 дней(-я) left

    I need React Expert. Contact me.

    $33 / hr (Avg Bid)
    $33 / hr Ср. заявка
    37 заявок(-ки)

    I'm looking for a talented React dev willing to take on a long-term website + web app + mobile app project in the healthcare industry. ### PROJECT TIMELINE ### - kickoff: mid Aug. 2021 - deadlines: 1. Website: Sept 15, 2021 2. Web app + Mobile app: ongoing developments throughout the year based on evolving specs ### STEP 1: WEBSITE DEV ### The website will be designed using Figma ...

    $31 / hr (Avg Bid)
    $31 / hr Ср. заявка
    44 заявок(-ки)

    I am looking for person who can help me. I need person who develop input function from attachment video. If you know how to develop this function, bid this project rapidly. If it is possible, I will chat with you. Best regards.

    $27 (Avg Bid)
    $27 Ср. заявка
    6 заявок(-ки)

    Looking for a freelancer with good experience in Front end development (React Js). Company Profile: T-Machine Software Solutions, a subsidiary of the Mecton Group is an integrated IT firm providing full spectrum of software solutions to wide-range of companies from SME’s to corporate giants. We are a team of inquisitive web architects who are passionate about creating modernistic web appl...

    $429 (Avg Bid)
    $429 Ср. заявка
    9 заявок(-ки)
    React.js developer 6 дней(-я) left

    We are helping our client migrate their tech stack from Sharpoint to Adobe AEM and need React.js developers to handle the front end work .

    $34 / hr (Avg Bid)
    $34 / hr Ср. заявка
    48 заявок(-ки)

    -- very important to read here --- your MEAN / Node.JS or other server side skills *** OTHER THAN *** ASP.NET/C# is *NOT* relevant here, and will be ignored, so don't bid if you are not a true DOTNET ASP.NET master with *** lot of experience *** dealing with building WebRTC solutions (dealing both with Browser JS WebRTC API and Stun/Turn/Media WebRTC Servers). ================================...

    $2022 (Avg Bid)
    $2022 Ср. заявка
    10 заявок(-ки)
    convert react to nextjs 6 дней(-я) left
    ПОДТВЕРЖДЕН

    convert react to nextjs optimize and fix any error make project production ready with 1 click add seo yoast plugin add good text editor make new admin panel theme

    $378 (Avg Bid)
    $378 Ср. заявка
    24 заявок(-ки)
    looking for a developer with jest skills 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Need an experienced developer with React, Typescript, Jest experience, please tell me about your jest experience first

    $13 / hr (Avg Bid)
    $13 / hr Ср. заявка
    43 заявок(-ки)
    React/redux/nodeJs developer with mesibo api experience 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I am looking for a developer which have the mesibo chat and video call api experience. Kindly bid only if you have mesibo chat/call api experience.

    $30 - $250
    Скрытый
    $30 - $250
    8 заявок(-ки)
    Chat App Support 6 дней(-я) left

    Looking for solid React & React Native resource with previous experience in building Chat applications. (GetStream) Who can fix the issues in the existing code base very quickly as time is of the essence. And do the enhancements requested. We can do an hourly rate once we decide to go ahead. TechStack: React React Native GetStream Node.JS Let me know if you are interested.

    $20 / hr (Avg Bid)
    $20 / hr Ср. заявка
    13 заявок(-ки)

    Requirment of Web Application. please refer details below. 1. Web Application which can we accessiable to any device or Browser. 2. AMP Compatible to perform faster on Mobile Devices. Google priporites AMP for Mobile users ([войдите, чтобы посмотреть URL]) 3. PWA Enabled to user have Mobile App Like Experience. Should work Offline if internet access not available for user. ([войдите, чтобы по...

    $791 (Avg Bid)
    $791 Ср. заявка
    9 заявок(-ки)
    Reuseable React Project 6 дней(-я) left

    Build a web based frontend for administrators to be able to create, update, list, delete, read rows from my REST based backend. The frontend needs to based on the metronic template. [войдите, чтобы посмотреть URL] You need to add a main menu item "Bad A$$". Click this should show all the tables I have in my backend. The backend CRUD based REST API's will be provided. add / update...

    $242 (Avg Bid)
    $242 Ср. заявка
    3 заявок(-ки)
    FilePond JS Plugins (Face Crop and Face Detection) -- 2 6 дней(-я) left
    ПОДТВЕРЖДЕН

    PLEASE NOTE: AN EXAMPLE OF YOUR PREVIOUS WORK MUST BE SUBMITTED WITH YOUR PROPOSAL OTHERWISE YOUR PROPOSAL WILL NOT BE CONSIDERED. (PREFERENCE WILL BE GIVING TO DEVELOPERS WITH ANGULAR OR REACTJS EXAMPLES) Develop 2x Plugins for filepond ([войдите, чтобы посмотреть URL] ) uploader in JS Plugin 1: filepond Face Detector Validator implementing [войдите, чтобы посмотреть URL] "required"...

    $185 (Avg Bid)
    $185 Ср. заявка
    7 заявок(-ки)
    need react.js developer -- 2 6 дней(-я) left
    ПОДТВЕРЖДЕН

    need to integrate 15 custom APIs and stripe payment gateway

    $126 (Avg Bid)
    $126 Ср. заявка
    8 заявок(-ки)

    PLEASE MESSAGE ME FOR THE BRIEF OF THE PROJECT. I NEED AN ATTRACTIVE WORDPRESS E COMMERCE WEBSITE WITH ANIMATIONS AND EFFECTS

    $124 (Avg Bid)
    $124 Ср. заявка
    36 заявок(-ки)

    Moving from polymer 2.0 to react. Data layer. Already separated. Require react hooks. 15 pages to convert.

    $246 (Avg Bid)
    $246 Ср. заявка
    15 заявок(-ки)
    Excellent MERN Stack developer. 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I am looking for a senior full stack developer to build a website. I’d like to build it as MERN stack. Website is very simple(4-5 pages), it’s to manage location data (name, description, image, and other attributes) and admin can create/edit/delete locations. No graphic designs for UI so can use Bootstrap default components. Please share some examples built with MERN stack. Budget is ...

    $201 (Avg Bid)
    $201 Ср. заявка
    39 заявок(-ки)

    Hey, guys. I need to build a simple Shopify app. Store merchants should be able to upload an image, add some text in the app admin. Then the image and text should be displayed on thank you page. If this is something you can do, just ping me. Regards.

    $13 / hr (Avg Bid)
    $13 / hr Ср. заявка
    53 заявок(-ки)
    UI Reacts JS and javascript accessibility issues 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Need help with A11y defects and accessibility issues like voice over and screen reader defects for a React.js and javascript code

    $181 (Avg Bid)
    $181 Ср. заявка
    17 заявок(-ки)
    BOT-O-MAT Project 6 дней(-я) left

    Your application should collect a name and robot type from the types we list below. For each, it should create a Robot of the type the user chooses, e.g. Larry, Bipedal. Given the list of tasks below, your application should then assign the Robot a set of five tasks, all of which complete after a duration that we show in milliseconds. Collect a name and robot type from user. Instantiate a Robot ...

    $143 (Avg Bid)
    $143 Ср. заявка
    6 заявок(-ки)
    Mern Stack Developer 6 дней(-я) left

    Looking for someone who can assist develop some mern stack web apps.

    $17 / hr (Avg Bid)
    $17 / hr Ср. заявка
    35 заявок(-ки)
    Create a SaaS MVP {React or Vuejs with any backend) -- 2 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Im creating a kind of SaaS for booking/appointment, so my customers can create and manage their own services, pricing, bookings white labeled. I attach a document explaining in details. These are my options to achieve it in short time (as its an MVP, we want to launch as soon as possible, but with excellent user experience) 1) Use wordpress multisite for CMS and create a JavaScript front connect...

    $1187 (Avg Bid)
    $1187 Ср. заявка
    67 заявок(-ки)
    React, amplify developer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    1. cognito auth with provided template 2. create graphQL Api with model using datastore 3. display model datas on a datatable with pagination, add button to save, edit, update data .

    $163 (Avg Bid)
    $163 Ср. заявка
    12 заявок(-ки)
    React, AWS amplify developer 6 дней(-я) left

    1. with provided react template, create aws cognito sign-in/sign-up 2. add graphQL API with model 3. use datastore client 4. pagination with table integration.

    $137 (Avg Bid)
    $137 Ср. заявка
    10 заявок(-ки)
    Web site building 6 дней(-я) left

    I am looking for build my web site using react and php contact me

    $274 (Avg Bid)
    $274 Ср. заявка
    20 заявок(-ки)
    Find React developer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    It is required high technical skills in Drag and Drop component. Who has good experience and high technical skill on Dnd will be a good candidate for this project.

    $30 - $250
    Скрытый
    $30 - $250
    33 заявок(-ки)
    need react.js developer for API integration 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I want to make some screens and custom api integration with stripe payment gateway

    $105 (Avg Bid)
    $105 Ср. заявка
    7 заявок(-ки)
    React Developer with UI & UX strong experience 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Looking for React Developer with UI & UX strong experience person who can develop the application with Response in nature

    $127 (Avg Bid)
    $127 Ср. заявка
    41 заявок(-ки)

    ** SOLO BUSCO PERSONA QUE HABLE ESPAÑOL Proyecto avanzado que requiere conocimientos de next, node js , React , el proyecto contiene api de google maps para ubicación ( en funcionamiento ) , el proyecto requerira guardar los archivos en cdn ( aws o digitalocean ) , apis de amazon ses , mailchimp y otros para envio de emails , se requiere conocimientos de node-cron para activar y des...

    $480 (Avg Bid)
    $480 Ср. заявка
    10 заявок(-ки)
    Website Revisions in React.js 5 дней(-я) left

    We have approximately 50 small changes that need to be made to this react.js website. We need the changes made within 48 to 72 hours. Please do not bid on the job unless you can meet this timeframe. We are looking for a developer that we can partner with as we have many more jobs. We look forward to working with you. Requirements: -Must be familiar with react.js for both desktop and mobile websi...

    $217 (Avg Bid)
    $217 Ср. заявка
    19 заявок(-ки)

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    Избранный Скрытый Соглашение о неразглашении

    Need a react , flask or Django, mongodb inventory management system just like quick books. The react JS template is already purchased and will be provided. you only need to modify the template and make the functionality like quickbooks. CRUD Operations ---------- Items Sales Customers Reports (Daily, Monthly,Yearly) Purchases

    $338 (Avg Bid)
    $338 Ср. заявка
    8 заявок(-ки)

    Топ-статьи сообщества React.js