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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    I have a recorder application with ReactJS. It works fine on my devices(pc and phone) but fail on some of the devices of my friends. The app is deployed on Heroku. So we have the same code I assume running on ours devices. I assume there is something wrong with the recording permission which then cause a permission denied bug. (see the attached file) I am looking for an experienced React develope...

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    Need to repair email notifications on an adult website (No Indian,sorry)(I had really bad experiences with a lot of indian developper in the past...) My website is an adult site based on adult script 3 beta... the script is highly modified with custom frontpage and jsnode chat integrated on part on frontpage too...I have a lot of bugs to resolves.... 1)First bug i want to resolve is email notifi...

    €102 (Avg Bid)
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    Make whole year calendar view using react. Also add prev and next button on top So can navigate to prev and next year. Also make the date clickable so can add event like party, birthday or meeting Each event need to have their own color highlights

    €126 (Avg Bid)
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    I'm looking a skillful programmer to build me an online marketplace like [identifikohuni për të parë adresën URL] i need a partner who will help keep the website running.I need my website to be built with one of these language React,Ruby on Rails,Node.js,Vue or Python i need all the features to be [identifikohuni për të parë adresën URL] carefully befor...

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    I have a react app that works great in development mode (yarn start) but when I build it for hosting it (yarn build), the styles are not getting applied. It looks like the issue is how our developer named the styles and applied them (^) as the class names are getting renamed during the uglify/minify process. I need someone to help with building our react app w/o the webpack's uglify/minify pr...

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    We are looking for full-stack developers for developing websites like e-commerce engine.

    €2372 (Avg Bid)
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    Hello Freelancers - my team is looking to bring on a django/angular/react programmer full time to help support our other programmers. Please let me know what projects you'd worked on. Please bid what you would ask as a monthly salary for 8hrs/day. Thank you! IMPORTANT: You have a django backend skill with dash board development. This is positive requirements , and your working hours must ove...

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    Proje bazlı olarak React yazılacak bir projemiz için backend developer'a ihtiyacımız var.

    €446 (Avg Bid)
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    9 ofertat

    Looking for expert in react.js, redux.

    €21 (Avg Bid)
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    Develop products website 6 ditë left
    VERIFIKUAR

    I would like a website for showing products names and pictures only by typing : Barcode numbers or product name with auto complete feature for products names. Admin : Products section : Add Product : Barcode number Product name Upload images I would like it to develop using : ExpressJS - ReactJS - Redux - MongoDB

    €212 (Avg Bid)
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    React Native frontend developer 6 ditë left
    VERIFIKUAR

    Hello We are looking for frontend developer who expert in React Native . We are looking for individual person. NO Company . We will hire developer immediately. Provide your 2 best work which done using React Native .

    €7 - €13 / hr
    Vulosur MRS
    €7 - €13 / hr
    17 ofertat
    Need an expert in HTML5 Canvas 5 ditë left
    VERIFIKUAR

    Need a developer who can design and code the component where the user can upload an image, add text, can change the text size, color, font, wrap it. The best example is [identifikohuni për të parë adresën URL] Front end: REACT JS

    €93 (Avg Bid)
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    HI, there are buttons on a .jsx component. By clicking any one of those buttons a menu appears at bottom. I need to hide those buttons and show that menu on load. here is a snippet of that code. factory={(addonOptions = [], addonVarietiesMap = {}, items, onChange) => { return { addonOptions, items: items instanceof Array ? items : addonOpt...

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    chat web and mobile app -- 2 5 ditë left
    VERIFIKUAR

    build a ejabberd based flutter and react js chat app.

    €8 / hr (Avg Bid)
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    Hello everyone We are looking to hire someone who is familiar with website frontend based on Reactjs. There are tons of issues to fix/update urgently. I look long term relationship. Need to hire immediately. Regards

    €990 (Avg Bid)
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    Senior NodeJS Developer Needed 5 ditë left
    VERIFIKUAR

    We are looking for senior nodejs developer for a long-term contract. We prefer European developers. Required skills: NodeJS, PostgreSQL, ReactJS

    €10 / hr (Avg Bid)
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    integration firebase notification 5 ditë left
    VERIFIKUAR

    I am looking for react-native expert who familiar with firebase notification.

    €175 (Avg Bid)
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    Looking for a frontend REACTJS developer who can create dynamic layouts + animation + drag & drop UIs. Must have a good eye for design details and user experience

    €11 / hr (Avg Bid)
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    We need an individual freelancer (not a company), to work with us, to help us with various ongoing REACTJS tasks. The person must have EXPERT level skill in REACTJS- to be able to apply validation on the the UI. The REACT UI uses JQuery Select Area Plugin to select certain areas of variuos pages of PDF file and returns the position alongwith xy cordinates of all the area selected on various pag...

    €152 (Avg Bid)
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    • 3+ years working experience in React Native is required. • Hands-on experience on React Native APIs, ReactJS (Preferably), Javascript, and JSX. • Good understanding of JavaScript ecosystem. • Demonstrable UI/UX experience. • Experience with Git and web-based version control platforms like Github/Bitbucket. • Good communication and time management skills. • Open...

    €17 / hr (Avg Bid)
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    I am looking for React.js Expert with 5+years of experiences. Please show me your best react.js website.

    €1123 (Avg Bid)
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    50 ofertat

    Desenvolvimento em reactjs para o front-end

    €1009 (Avg Bid)
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    11 ofertat

    I would like to hire a full-stack developer to design and prepare a complete fully functioning MVP. The details will be provided upon request.

    €29 / hr (Avg Bid)
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    Build custom easy website 5 ditë left
    VERIFIKUAR

    I need a new website. I already have a design, I just need you to build it.

    €134 (Avg Bid)
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    Front-End React 5 ditë left
    VERIFIKUAR

    Estamos desenvolvendo a API de um marketplace utilizando .NET Core no back-end, precisamos de alguém que desenvolva todo o front utilizando React. O Fluxo do marketplace será parecido com o do Mercado Livre, porém terá uma ferramenta de edição de layouts ([identifikohuni për të parë adresën URL]) que deverá ser integrada ao fron...

    €1992 (Avg Bid)
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    36 ofertat

    We need an individual freelancer (not a company), to work with us, to help us with various ongoing REACTJS tasks. The person must have EXPERT level skill in REACTJS- to be able to apply validation on the the UI. The REACT UI uses JQuery Select Area Plugin to select certain areas of variuos pages of PDF file and returns the position alongwith xy cordinates of all the area selected on various pag...

    €18 / hr (Avg Bid)
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    12 ofertat

    I want to replicate the front end interface of the below project for a different purpose [identifikohuni për të parë adresën URL] [identifikohuni për të parë adresën URL] Instead of flight rewards data, I want to include package holiday data. The interface should represent data from a mongo database. (I can populate the data), If it doesn't find the d...

    €59 (Avg Bid)
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    I want to replicate the front end interface of the below project for a different purpose [identifikohuni për të parë adresën URL] [identifikohuni për të parë adresën URL] Instead of flight rewards data, I want to include package holiday data. The interface should represent data from a mongo database. (I can populate the data), If it doesn't find the d...

    €148 (Avg Bid)
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    17 ofertat
    Iskovik Samara 4 ditë left

    Фронтальная часть сайта написана на реакте, нам нужен разработчик для фронта

    €28 / hr (Avg Bid)
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    React developer 4 ditë left

    I specialize in customer software development for automating data flow in corporate operations. I'm currently seeking for a creative React developer who can work independently. I prefer you to design independently and not need much hand holding. You will be assisting in building a workflow management website that guides sales people through a specific set of data. The data changes based on ...

    €15 / hr (Avg Bid)
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    We are looking for engineers to join our team for a long term role to assist with re-platforming our current fashion search engine from Vue.Js to React js making great use of Webpack, Code splitting, service workers and further best practises. We already have the React base setup that implements best practises such as server side rendering, internationalisation, code splitting and more. Further ...

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    Contentful CMS, especialista 4 ditë left
    VERIFIKUAR

    Buscamos un desarrollador clave, proactivo, sin miedo a trabajar y orientado a los retos y desafíos. Se requiere un especialista en Contentful ya que las modificaciones que hay que hacer al portal están montadas principalmente en dicho cms, utilizando java y react para armar toda la intranet. El desafio: No hay documentación técnica, solo el conocimiento del mismo que...

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    [identifikohuni për të parë adresën URL] is a non-profit charity that is focused on building an online platform to help designers all over the world have access to mentors and educational resources. We need part time help continuing to build our platform, but hope this will turn to a full-time opportunity and this person will lead a team in the future as we grow. Technologies ...

    €11 / hr (Avg Bid)
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    I need a full stack developer who works on react native very proficiently. I need to build an eCommerce app and website. can you show me examples of eCommerce apps you've built on react native before. need this project done in 1 to 2 weeks. what's your charge?

    €483 (Avg Bid)
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    Hello, I'm looking for someone to have a phone call or two with to discuss different framework options for Django. The candidate should be able to answer questions like "How does React interact with templates?" or "What are the shortcomings of bootstrap?" on the fly with minimal research. Strong communication skills are a must. I am trying to choose a front end framewo...

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    Needed experienced react developer who can commit to our project. We have a React & Node based project. But we need to convert to SSR. Experienced developers, please bid.

    €13 / hr (Avg Bid)
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    0-NDA agreement (thru [identifikohuni për të parë adresën URL] - you don't sign you don't get the project!) 1-Code review/robustness on existing Android/iOS app (clickflow-screens cleanup) 2-Kotlin module integration in existing Android Java app 3-ReactJS web app dev to same level as Android/iOS mobile app 4-APIs connectivity -------------------------------------- Env...

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    React Native App 3 ditë left

    am interested in making a simple native app using React Native With the following platform: 1) iOS 2) Android 3) Both in Arabic (if possible) and English 4) Backend, Rest API 5) Dashboard for the orders and to get statistics and inventory management (Similar to the shopify dashboard) based on attached wireframe and prototype so as to make it easier for you to comprehend I also wanted to make ...

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    Build a website 3 ditë left

    1) Web app should have user interactions like following other peoples activity 2) Should have Google Login and social media integration. 3) People can like or dislike users activities

    €121 (Avg Bid)
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    A self service Educational system

    €261 (Avg Bid)
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    It's just a small one with reactjs and firebase. Who is very skillful in this aspect can help with this project.

    €113 (Avg Bid)
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    Hello! I'm looking for help to finish an app. The stack is: Electron Reactjs + Mobx Antd UI PouchDB The job would consist in helping me ship major versions according to milestones. The app is game dev related so any background in game development would be great. Only looking for individuals just starting trying to get experience. Please start your bid with the phrase "Saturday&q...

    €6 / hr (Avg Bid)
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    Hallo, Ich suche einen Full Stack Developer ( Webdesign, Php, react.js, SEO, MySql, Grafikdesign ) für unsere Firmenhomepage. Folgende Menüpunkte sind erforderlich ( + diverse Unterseiten ) Home / Seite 2 / Seite 3 / Produkte / Seite 4 / Seite 6 / Unter anderem die Produkte von unseren Lieferanten auf der Homepage intigriert werden. Eventuell auch mit eigenen Login Bereich für ...

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    Create React app using REST API 2 ditë left
    VERIFIKUAR

    We have applications based on ROR with REST API, We need to create a React APP using API, Heres what we have to develop: User Dashboard: Auth: Login, Register, Password Reset, 2FA enable. Account: Deposit, Withdraw, Deposit History, WIthdraw History Order: Order history Admin panel: Deposit, Withdraw, User, Currency Management Im looking to finish the User Dashboard within 4 days, there can be ...

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    We have two different file -> Master Category and Source Category , we need to Map source category record using fuzzy search to closed match to single or multiple records against Master Category.

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    Skills: SharePoint, SPF, SharePoint PnP, Typescript, React Location: Alcorcon (Madrid) Duration: 5-6 weeks Project: Develop new SharePoint APP with other team members

    €29 / hr (Avg Bid)
    Lokale
    €29 / hr Oferta mesatare
    5 ofertat

    We are building a react native app and looking for an experienced developer.

    €11 / hr (Avg Bid)
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    We need candidates are dedicated freelancers. The freelancers must belong from kolkata, west bengal. We need candidates for long time not only for a single project. Please bid the project with key word "dedicated ", otherwise the bid will be treated as spam. Happy bidding.

    €409 (Avg Bid)
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    Hello! I'm looking for help to finish an app. The stack is: Electron Reactjs + Mobx Antd UI PouchDB The job would consist in helping me ship major versions according to milestones. The app is game dev related so any background in game development would be great. Only looking for individuals. Please start your bid with the phrase "Hello Rodo".

    €6 / hr (Avg Bid)
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    9 ofertat

    Детализация user stories, выявление бизнес требования

    €18 / hr (Avg Bid)
    MRS
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    Artikujt Më Të Mirë të Komunitetit për React.js