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.

Assumi React.js Developers

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    I'm the founder of iOverlander: [accedi per visualizzare l'URL] This is a website / App that travelers use to find place to stay. We have a legacy app that I built in [accedi per visualizzare l'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 ca...

    €6941 (Avg Bid)
    €6941 Offerta Media
    51 offerte

    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.

    €535 (Avg Bid)
    €535 Offerta Media
    43 offerte
    Build me a 2 page website - Node.js 6 giorni left
    VERIFICATO

    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...

    €128 (Avg Bid)
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    32 offerte

    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.

    €447 (Avg Bid)
    €447 Offerta Media
    15 offerte
    Spfx react js 6 giorni left
    VERIFICATO

    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.

    €29 (Avg Bid)
    €29 Offerta Media
    4 offerte
    Looking react native developer 6 giorni left
    VERIFICATO

    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 Offerta Media
    7 offerte

    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.

    €520 (Avg Bid)
    €520 Offerta Media
    46 offerte

    iOS and android App with a Vitrine Website

    €589 (Avg Bid)
    €589 Offerta Media
    31 offerte

    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)
    €436 Offerta Media
    10 offerte

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

    €115 (Avg Bid)
    €115 Offerta Media
    24 offerte

    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)
    €22 Offerta Media
    7 offerte

    Hi. We are looking for a senior react native developer at the moment. More details will be provided in PM, Thanks. Preferred skill: React native, Redux

    €140 (Avg Bid)
    €140 Offerta Media
    20 offerte

    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)
    €94 Offerta Media
    7 offerte

    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)
    €116 Offerta Media
    24 offerte
    Website Development 5 giorni left

    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)
    €16 / hr Offerta Media
    52 offerte

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

    €26 / hr (Avg Bid)
    €26 / hr Offerta Media
    78 offerte

    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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    6 offerte

    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 offerte
    Need reactjs with nodejs website 5 giorni left
    VERIFICATO

    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...

    €557 (Avg Bid)
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    32 offerte

    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.

    €122 (Avg Bid)
    €122 Offerta Media
    9 offerte

    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 ...

    €33 (Avg Bid)
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    3 offerte

    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...

    €7302 (Avg Bid)
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    26 offerte

    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/ [accedi per visualizzare l'URL] + TURN/STUN ready). We want to integrate a native open source code named KSYLive ([accedi per visualizzare l'URL] and [accedi per visualizzare l'URL]) into our app (or i...

    €161 (Avg Bid)
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    3 offerte

    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...

    €360 (Avg Bid)
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    47 offerte

    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 offerte

    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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    26 offerte

    Hello need help on react redux through webex only. Thanks

    €4 / hr (Avg Bid)
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    6 offerte

    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 Offerta Media
    14 offerte

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

    €74 (Avg Bid)
    €74 Offerta Media
    10 offerte

    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 offerte

    [accedi per visualizzare l'URL]

    €18 / hr (Avg Bid)
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    7 offerte

    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)
    €10 / hr Offerta Media
    61 offerte

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

    €434 (Avg Bid)
    €434 Offerta Media
    2 offerte
    ReactJs developer needed 3 giorni left
    VERIFICATO

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

    €77 (Avg Bid)
    €77 Offerta Media
    12 offerte

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

    €155 (Avg Bid)
    €155 Offerta Media
    48 offerte

    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...

    €3825 (Avg Bid)
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    24 offerte

    React Developer need for Front End Development Need full time work. Spoken English. Details will be given after conversation.

    €1967 (Avg Bid)
    €1967 Offerta Media
    84 offerte

    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.

    €1057 (Avg Bid)
    €1057 Offerta Media
    65 offerte

    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)
    €10 / hr Offerta Media
    55 offerte
    Simple react native setup 3 giorni left
    VERIFICATO

    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.

    €32 (Avg Bid)
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    15 offerte
    Creating a PWA 3 giorni 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.

    €512 (Avg Bid)
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    11 offerte

    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)
    In primo piano
    €14 / hr Offerta Media
    46 offerte

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

    €132 (Avg Bid)
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    12 offerte

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

    €112 (Avg Bid)
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    2 offerte

    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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    54 offerte

    Please post only if you have experience with PWA and React. This is an ERP solution for a restaurant with the option of online self-signup. Need to have compatible Andriod and Ios apps.

    €9540 (Avg Bid)
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    24 offerte
    Build me a app 3 giorni left

    Restaurants finder with food ordering app having payment gateway

    €610 (Avg Bid)
    €610 Offerta Media
    17 offerte
    Front-end for time series data 3 giorni left
    VERIFICATO

    Our company is building algorithms for time-series predictions. We are working towards an MVP and we need a front end. Our backend works in Python and exports relevant results to S3 in Parquet format. We currently have a mock-up front end as the one that can be seen in the screenshot. Now we're looking to build the real thing. You will be given an S3 link with a parquet file containing time...

    €217 (Avg Bid)
    €217 Offerta Media
    9 offerte

    I am looking for developer who has good experience to Working with React-Native (Not ReactJS). I have ready running social website that developed in HTML5/JS with having the Java & MySql as backend. Developer need to use the same Java based web services into the React-Native to display all the data into the mobile same as my website. NOTE: Please don't bid any learner or beginner. Looking...

    €468 (Avg Bid)
    €468 Offerta Media
    20 offerte
    Decouple drupal 7 site with reactJS 3 giorni left
    VERIFICATO

    I want to redesign the frontend of my drupal site with ReactJS while the drupal will serve as the backend for the site.

    €188 (Avg Bid)
    €188 Offerta Media
    8 offerte

    I migliori articoli di React.js della community