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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    95 trabalhos encontrados, preços em EUR

    Hello I would like to hire mobile app developer with cross platform. Function is simple and easy. Detail will be provided over chat. Thanks.

    €114 (Avg Bid)
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    19 ofertas
    react js expert 6 dias left
    VERIFICADO

    react js developers only please.

    €114 (Avg Bid)
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    34 ofertas
    sketchapp react native UX/UI 6 dias left
    VERIFICADO

    design UX/UI for react native app

    €107 (Avg Bid)
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    3 ofertas

    The McFile Mobile App was developed separately with two versions, one version in Android technology and the other in iOS technology. Its actual features are search, preview and file sharing. We are want to develop a new app for both Android and IOS platform using a shared code programming language like Xamarin, React Native or Ionic . Current features (source code can be provided) are search, vie...

    €1229 (Avg Bid)
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    53 ofertas

    I am looking for someone who have experience with React Unit Test. If you have a good experience, you can work for my project.

    €24 / hr (Avg Bid)
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    34 ofertas

    we need a React JS developer to help with ongoing work. You'll be working on parts of several projects with us. redux / node js experience will be a bonus please share your public github URL

    €29 / hr (Avg Bid)
    €29 / hr Média
    55 ofertas

    I'm the founder of iOverlander: [login to view URL] This is a website / App that travelers use to find place to stay. We have a legacy app that I built in [login to view URL] that we'd like to rewrite using react native. We have mockups for the new app (which is similar in functionality to the old app, but with some usability improvements), and we can provide a very clear specificati...

    €6713 (Avg Bid)
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    75 ofertas

    Hi. we are in need of mobile apps for GPS Location sharing of users. All users will share his location, it will show in map page. Also every user can find and contact with another by near by feature.

    €530 (Avg Bid)
    €530 Média
    50 ofertas

    I need a two page lead generation website built for the real estate market. I need the website to have the following features: - Landing page with form to collect users info. - When user submit's form, the data gets pushed into either a google form, or a database, preferably a google form. - After the user submits the form and their data has been captured, the user should be redirected to a...

    €126 (Avg Bid)
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    40 ofertas

    I am looking for an electron expert for our app from scratch. I will share design, so please apply if you work including this weekend.

    €446 (Avg Bid)
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    16 ofertas
    Spfx react js 5 dias left
    VERIFICADO

    I need SharePoint custom list implemented by SPFx, Reactjs and office UI Fabric. If you don’t familiar with those technologies, please don’t bid.

    €58 (Avg Bid)
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    5 ofertas
    Looking react native developer 5 dias left
    VERIFICADO

    HI Looking react native developer for a long-term project, To be honest, My budget is 200/h If this budget suits you then bid it Thanks

    €3 / hr (Avg Bid)
    €3 / hr Média
    8 ofertas

    Hello. I need help with project I am working on. I need to create navigation with react native and I can send sample app and it needs to be the same.

    €523 (Avg Bid)
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    48 ofertas

    iOS and android App with a Vitrine Website

    €574 (Avg Bid)
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    33 ofertas

    We have a website that is built on Tensorflow.JS. We want to convert the site to iOS and Android mobile app. Looking for an experienced developer for a few days to 4 week project. Must be experienced with Javascript, Angular JS, Tensorflow JS, and Ionic Framework. Experience with Flutter is acceptable. Required Experience Ability to communicate clearly Dedication to meet project deadlines in a...

    €436 (Avg Bid)
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    10 ofertas

    Hello I would like to hire react native app developer. Detail will be provide over chat. thanks.

    €145 (Avg Bid)
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    25 ofertas

    I have an app that was reviewed and rejected on apple store. The reason as per the reviewer is that it is highly targeted towords marketing the app and missing on user experience. What is requested from the developer who is awarded is: 1- generate apk for android 2- suggest proprer revamp of the app 3- apply development The project will be marked complete when it is accepted in stores. This is a H...

    €22 (Avg Bid)
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    7 ofertas

    Hello. I need react native developer for my project. I wish to use background task in react native. Detail will be provided over chat. Thanks.

    €94 (Avg Bid)
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    7 ofertas

    We are currently looking for a freelancer who can style and add pages to our React Native application. Our current application has 2 pages. This requires styling the two existing pages and adding 2 basic pages and 2 modals according to our design. There is no API integration, just manipulation of data without our application global store. Please message me if interested and I can share our designs...

    €116 (Avg Bid)
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    24 ofertas

    We need to develop a web app from scratch, we will need a node.js and react developer plus a designer

    €16 / hr (Avg Bid)
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    54 ofertas

    I need a new website. I need you to design and build a website for my small business.

    €26 / hr (Avg Bid)
    €26 / hr Média
    78 ofertas

    Necesito Desarrollador de Aplicaciones WEB en Node-js/Mongo/Javascript/React/NextJS - Gatsty JS para proyecto de 5 meses. 20+ horas a la semana. Personal con lenguaje nativo Español y Ubicacion Colombia

    €4 / hr (Avg Bid)
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    7 ofertas

    We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. Responsibilities - Developing a Web application for finances of s...

    €1249 (Avg Bid)
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    29 ofertas
    Need reactjs with nodejs website 4 dias left
    VERIFICADO

    Website to filling html application forms has beed built by control panel on the same website and exported as html. Website must display this form and filled by the user see details. 1- First page included a search filter and login/ out buttons and live chat. 2- Profile page ancluded tabs: 1- Edit profile 2- Saved forms 3- Drafts (Forms has filled but have not complated) 4- Com...

    €547 (Avg Bid)
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    33 ofertas

    I need hybrid app developer for my react native app. Function is simple and if you are senior developer, you can do it in a short time. Don't hesitate to bid. thanks.

    €130 (Avg Bid)
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    9 ofertas

    This is the Bug in the OpenSourse project for UDE university, the bug is in frontend part that we need to solve. To fix the bug we need Pairing screen to skip the installation part and save time just focus on the problem. Bug: We have the modules which have a checkbox and select filter property as you can see on the photos. The checkboxes working properly and individually but the select filter ...

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    Hello, which team is interested to join my team and code for equity instead of cash payment during the devevelopment? I offer 30 % shares on the upcoming company and a 10000 Dollar one-time payment once the investor is on board. But the project needs to be finished, there will be no payment during developement. Your team get shares on my upcoming sportsbetting company, but i need prototype of t...

    €7430 (Avg Bid)
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    25 ofertas

    We have a project built with React Native that needs beautifying user's face (applying skin smoothing, brightening..) from camera stream (with WebRTC backend built in Websocket/ [login to view URL] + TURN/STUN ready). We want to integrate a native open source code named KSYLive ([login to view URL] and [login to view URL]) into our app (or if you have a solution you can use yours). Delivera...

    €161 (Avg Bid)
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    3 ofertas

    What we want? - Fully functional website designed as per the wireframe below. - A dashboard so we can upload content as per our requirements. The dashboard upload feature must help us upload content on three web page: Resources, Labs and Projects (Detailed below) General Guidelines - Website should be Indian and clean; not necessarily minimal. - Patterns and clean textures are welcome; no grung...

    €359 (Avg Bid)
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    49 ofertas

    We need a single dedicated part time resource on asp.net,c# with Reactjs to give support for US people on weekdays morning around 90 minutes IST 6 00 am to 8 00 am will provide 20000 per month minimum 4+ years of experience candidates only eligible for the bid.

    €354 (Avg Bid)
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    17 ofertas

    Need individual, located in America/Europe developer. Swoop is a group transportation platform specializing in corporate travel, weddings, and private event transportation. We’re looking for a seasoned engineer that can develop complex software systems scaling to thousands of users with production quality deployment, monitoring, and reliability. They work on the backend codebase powering Swo...

    €19 / hr (Avg Bid)
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    27 ofertas

    Hello need help on react redux through webex only. Thanks

    €4 / hr (Avg Bid)
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    6 ofertas

    we have to build 2 react native apps (seller and user app) which shares the components prototypes are done in XD and web app is done in Ruby

    €1530 (Avg Bid)
    €1530 Média
    14 ofertas

    need a senior react native developer. detail information will be provided over chat. thanks

    €72 (Avg Bid)
    €72 Média
    9 ofertas

    Hola ocupamos agregar a un proyecto existente las notificaciones con onesignal. Para iOS Y Android. Este es un proyecto de prueba para realizar otro más grande. Hello wee need to add to one existent project notification with onesignal. For iOS and Android. This is a test project to hire you for a bigger one Thanks.

    €20 (Avg Bid)
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    3 ofertas

    [login to view URL]

    €18 / hr (Avg Bid)
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    7 ofertas

    you should be an expert at react and your coding syle should be very clear and formated and code should be commented we will check your code consistently.

    €10 / hr (Avg Bid)
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    62 ofertas

    need a social, data collection and display website with multi level role mgmt and authorisations.

    €434 (Avg Bid)
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    2 ofertas
    ReactJs developer needed 3 dias left
    VERIFICADO

    Whole UI is developed basically. UI need more fixes, widgets as well as integrating testing json api.

    €77 (Avg Bid)
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    12 ofertas

    I am looking for a professional mobile app developer. I need my project to be fixed and updated.

    €155 (Avg Bid)
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    48 ofertas

    We are looking for a Software Engineer, familiar working with Blockchain (Ethereum) to take responsibility for developing cutting edge DApps. Requirements - Responsible for the development of new Blockchain based solutions as well as smart contracts (Ethereum). - Create tests to accompany produced code. - Write code with security and resiliency in mind. - Work in partnership with Web Serv...

    €3822 (Avg Bid)
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    React Developer need for Front End Development Need full time work. Spoken English. Details will be given after conversation.

    €1967 (Avg Bid)
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    84 ofertas

    This is a traveling website dashboard admin area plus client back-and area and should be responsive. I'd like to have a website built in React. Send me some links that you developed before so that I can easily make a choice.

    €1056 (Avg Bid)
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    65 ofertas

    We are building a site in the React framework, we need an on-going front end software developer to help us build some parts of the website.

    €10 / hr (Avg Bid)
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    55 ofertas
    Simple react native setup 2 dias left
    VERIFICADO

    I have purchased a template for my project. I need to have certain parts integrated to make it functional. This is really a copy and paste kind of project in which you will send me back the results.

    €30 (Avg Bid)
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    Creating a PWA 2 dias left

    I want to create a PWA, only the frontend. The backend is already there and the API would be provided. The most critical part would be the creation of stopwatch functionality. Attached is the PDF with all the screens Please add samples of PWA you have worked on. Also, good conversational skills in English would be required.

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    11 ofertas

    What you will be doing: ● Taking ideas from concept to production ● Working with multiple cutting edge languages, frameworks and technologies ● Influencing the direction of our product and features ● Taking existing product feature requests and turning them into reality ● Brainstorming and helping define new ideas and products ● Building fault resilient, self-healing, high scale software on the ...

    €14 / hr (Avg Bid)
    Destacado
    €14 / hr Média
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    - Implementation of the tag - 2 conversion triggers (Signup, Purchase) - Analytics tag - Google Remarketing tag

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    - Implementation of the tag - 2 conversion triggers (Signup, Purchase) - Analytics tag - Google Remarketing tag

    €112 (Avg Bid)
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    2 ofertas

    We are fast growing startup and looking for react guru can work with us longterm. Requirement: - proven developer with over 5 years experience - good communication skill(need meeting for project) - React/Redux skill - Bootstrap/Material - Mongo - AWS/Git/Heroku Please apply with your budget, estimate time and portfolio. Thanks.

    €28 / hr (Avg Bid)
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    Artigos da Comunidade dos Principais React.js