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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    The goal is to create a dynamic question system that will ask different questions depending on user preferences and the questions' relevance. This is part of a much larger project whose goal is to provide healthcare recommendations by analyzing people's key biomarkers.

    €361 (Avg Bid)
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    18 teklifler

    A web application need to be designed and developed for a urban gardening company, which includes real time cost calculation, drag and drop the elements to create virtual gardens and eCommerce capabilities.

    €692 (Avg Bid)
    €692 Ortalama Teklif
    7 teklifler

    I need to build a dynamic website to promote about our products using react techniques and NodeJs for the back end

    €18 / hr (Avg Bid)
    €18 / hr Ortalama Teklif
    29 teklifler

    Hola, necesitamos un experto en REACT + Bootstrap. Imprescindible tener en Andalucia domicilio fiscal Tenemos una web con arquitectura tradicional basada en Java/Spring/JSP y queremos migrar front end a REACT + Boostrap. Son 4 pantallas: - Home - Listado/buscador items - Detalle items - Detalle categoría El sistema deberá emplear Amazon Cognito para autenticación y comunic...

    €504 (Avg Bid)
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    I need a react dev to add some features to my file converter app. The app is already completed, however, I want someone to add more file types available for conversion. Currently, the app only supports images and PDFs, but I want someone to add support for different types. I'm flexible on which files as long as it's not multimedia (videos, music, or images). Whatever is easiest, some exa...

    €23 (Avg Bid)
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    4 teklifler

    I have the idea i want you to create in a website. i have categorized the content what all will be there in the website. The site i wanted you to build is basically for Prevention of rape, acid attack and human trafficking. Its a registered ngo currently operating in delhi. This will include a home page for all the stats of crime, gallery and info . It will have some infographics i have attached t...

    €160 (Avg Bid)
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    4 teklifler

    I am looking for expert React Native developer can help to update my project. I will provide Design and project code. You have to update it using RN and work full time in a week. If you know E2E , cypress testing, it is plus.!!! If your result looks good, then you will go to next job. Please reply with your recent react native sample in your github or bitbucket. Else you will ignore in my list. ...

    €22 (Avg Bid)
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    About us: We Are A Top CDL Truck Driver Staffing & Placement Agency in Atlanta. We are a truck driver staffing and placement agency with over twenty years of experience. We recruit, screen and hire the most reliable and dedicated CDL truck drivers in the industry. As CDL truck driver staffing and placement specialist, we provide a flexible workforce of drivers. This allows our clients to redu...

    €682 (Avg Bid)
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    13 teklifler

    Need an app created for the cross-platform including windows app store which basically does some basic upload task to the online server schedule basis. Only experts are encouraged to apply who can finish within a short time. Only allowing the bid amount within $100. Successful finishing the project could allow working for a longer term. Best!

    €131 (Avg Bid)
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    Looking for a developer for my own project I have a database of goods. Before the product will be published, it must be tested by the editor. In fact, I need a react project with one component. This component must be a product editing form. The data in the form will pass with GraphQL. After the editor has edited or confirmed the product, a query is sent to GraphQL. What does not matter at this s...

    €6 / hr (Avg Bid)
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    El proyecto consiste en construir un Marketplace de servicios de Ocio. Dentro del ecosistema, es necesario incluir: App iOS/Android, CMS/Backoffice Web, API, Base de datos. La idea es usar: React Native -> App, ReactJS -> CMS, Node/Firebase -> API, Firebase -> Base Datos. Dentro de las características del Marketplace, es importante destacar el uso de la geolocalización p...

    €7959 (Avg Bid)
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    30 teklifler

    Need a React developer to fox bugs in my App

    €107 (Avg Bid)
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    I want a simple react app(basically 3/4 pages) where user can post some load and admin can change the status of load. We want to use firestore for the storage and listener to get notification whenever a new load is posted or updated. - User have the ability to create load(google location api and basic interactive form) - User can view their active and historical loads. - Admin can approve and late...

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    I want to build a fashion website using ruby on rails. I have some designs ready I can discuss it in more detail.

    €1035 (Avg Bid)
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    The application must have: - Synchronization of the list of personalized contacts of the web service to the contacts directory of the device. * Internal synchronization of contact data as a service. * Update on demand, from the informative view of an employee. * Create custom fields in the local contacts list of the device, these fields will be sent from the web API. In the same way, you must...

    €1032 (Avg Bid)
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    Looking for experienced React/Node developer - $8/hr - Should pass live skill test via video call (30 mins) - Should start immediately as full time - Should support as long term basis , at least 6 months [Removed by Admin] Best

    €11 / hr (Avg Bid)
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    Hello, my project is much similar to a sportsbetting project, but not the same. Which team has already developed a kind of sportsbetting project? Thanks.

    €2172 (Avg Bid)
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    This a development project for a responsive website for a UX and Design agency in Berlin. It will be a showcase for the brand, team, work, services and principles for the company. This brand presence will be the main information source for potential clients and employees. It will have a strong visual presence and should use state of the art front end technology to communicate our values and qualit...

    €39 / hr (Avg Bid)
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    Frontend for booking site 5 gün left
    ONAYLI

    Looking for frontend expert for booking site. You can use angular, react.js or vue.js for this project. And frontend must be integrated with API. API for this project was already done and I will provide XD file for frontend. I need you to follow the mockup. If you are interested in this project, please place your bid. I will prefer only expert (angular, react.js, vue.js). I want to discuss more ...

    €510 (Avg Bid)
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    Hello All, I am looking for developer who knows AMP AMP-Accelerated Mobile Pages, pdp, plp is must, react is secondary skill but that also required for one of my US clinet. Who ready to work in india morning like 6am onwards. Daily average 3-4 hours from remote screen sharing. (6 days a week) . This is long term fixed monthly paid project so bid for 30 days, mention budget is for 30 days. Must b...

    €275 (Avg Bid)
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    I am creating a desktop app with Electron, React, and possible Express. The GUI is 100% finished! This simplifies the work for you. All of the React.js work is complete. However, I need my app integrated with my backend so that I can begin to make the app functional. That is all I will need from you for this project.

    €129 (Avg Bid)
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    Build a website 5 gün left

    I'm looking at building a website , a social directory website. 1. Add listing 2. Add events 3. Sign up/ log in 4. Follow members option's 5. Claim listing 6. Search menu option's 7. About us, contact us, FAQ, terms & condition, privacy policy, 8. And other hidden functions..

    €169 (Avg Bid)
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    Looking for an agile mobile app developer for the IOS/Android applications that have designs already. All the details will be provided through the interview. - Highly skilled in React Native Mobile app development - Fluency in English. - Possibility to be employed full time for long periods (3+ months) - Having experience in native modules and bridge writing is a big plus. - Must be available ful...

    €18 / hr (Avg Bid)
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    We will be taking already existing open source project and further implement changes to fork the library and host it ourselves.

    €18 / hr (Avg Bid)
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    Crypto currency buy and exchange app using well documented and simple API. Design will be supplied. Built using REACT API Doc - [login to view URL] Comprehensive API Doc - [login to view URL]

    €808 (Avg Bid)
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    We are looking for senior React/Redux developer with Typescript for our Travel websites. In order to the ideal developer, we will give a very simple test project. (maybe it will take 2-3 hours for ideal developers). You will be making a simple react / redux component. Prefer to use Typescript. It will be a "Purchase Summary" interface like this: [login to view URL] Please refrain from ...

    €31 / hr (Avg Bid)
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    We are looking for talented Fullstack developer who can make robust PWA. The UI and UX is already designed, we just need a developer to build it. However, the product features are robust, including: - Video chat (can use API) - Messaging (can use API) - User profiles - Content library including videos, articles and podcasts - Calendar (can use API) - Scheduling (can use API) - Billing (can use ...

    €3773 (Avg Bid)
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    I need react.js expert who can dedicate full time on my project. It is for inventory software. The platform should be designed as "dashboard" template using react as front-end framework. The platform will be connected to a Node.js back end via RESTful webservices. The main database will be MongoDB. Some modules to be considered are: (more to be defined) - Log in - Dashboard - Side Men...

    €1273 (Avg Bid)
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    Hi all, We are looking for a developer that works with React / css / Ruby rails to continue the programming on our calendar application. This is long term project. The current assignment is only to get acquired with you. Please take into account when bidding for this task. The last programmer did not arrived to our expectations. Be advised! Apply only if you know what are you doing. You need to k...

    €158 (Avg Bid)
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    10 teklifler

    i m looking for React/vue/angular expert , need to knowledge about api and block-chain. only expert pls bid here

    €11 / hr (Avg Bid)
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    28 teklifler

    Are you an expert in intergrating maps into web apps? We need to integrate mapping into a Hebrew React app ([login to view URL]). All of the specs for the project are shown here: [login to view URL] You'll be working with us (mostly with our front end lead). The Mapbox demos and docs make this sound easy. We hope it will be, but we've never done it before... if you have, we'd l...

    €153 (Avg Bid)
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    We are in need of React + Node.js specialist who can fix some bugs, update some features of the existing project. As this is long term position, we need only serious bidders, not trainers or beginners. Thanks.

    €508 (Avg Bid)
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    Basically I have a made an app as webview in android studio. everything is fine but log in and share links are working inside the webview not coming out to android's default browser. so i want that feature.

    €80 (Avg Bid)
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    Refer attached prototype document A new cloud-based product to support users to automate data integration activities. Build a single page UI application in React/Angular to support user & admin activities The application should be highly efficient and responsive to user actions. Approximately 30 pages in scope and must follow [login to view URL] or similar UI design components. Integrate w...

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    Upload image 4 gün left

    I want to upload image from react input to express server and t store it in MongoDB database. I already have the files for the project

    €13 / hr (Avg Bid)
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    30 teklifler
    React / Native Mobile App 4 gün left
    ONAYLI

    We are looking for a highly experienced developer who has an extensive knowledge in Native / React mobile app. we have 5 apps were made in React and we would want to update them and fix some minor bugs. if you think you're fit for the job, then talk to me, otherwise, please do not waste our time. apps are in for Android and iOS

    €1155 (Avg Bid)
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    App that can help one transfer money. With secure encryption. Written once but deployed on iOs and Android platforms. Additional credit: Send me the app design

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    Nice to meet you. Can you work full time for our project if we hire you? We need to have a video call to confirm your experience and skill. Are you okay with that? do you have best react project to share with us?(prefer including source code)

    €18 / hr (Avg Bid)
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    Hello, we're looking for a Ruby on Rails developer to work on the back-end of a cryptocurrency exchange. You'll join a team of 3 Ruby on Rails developers, follow the main developer instructions and work on the API part of the application. The front-end is done by another developers in React/Redux. You must know the best practices and be able to give advices on developments. Please det...

    €24 / hr (Avg Bid)
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    Looking for a freelance, full stack developer who is experienced with ReactJS. We are providing a cloud-based solution via AWS that integrates with third-party systems for seamless data exchange. We are looking for a passionate developer who is responsive, resourceful, and a complex program solver, whether perfectly defined or in need of applied creative thinking. Candidate must be rounded in the...

    €7 / hr (Avg Bid)
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    Need a react hooks developer who can work via screen share. Long term opportunity. Need to start today.

    €7 / hr (Avg Bid)
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    I already have a design, I just need you to build it. There are a couple of functionalities added to my React app. But that functions depends on External APIs, I want your help integrating such functions. Maybe will be necessary to make a simple node/express backend. I will give the actual React App, design and all the info needed.

    €164 (Avg Bid)
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    CCSBI-CMS-PRJ 3 gün left

    We have a website under development with tech stack react.js in frontend, business layer in Java and DB MySQL. Build tool is used as Maven. I am looking for communication management framework development which will be combination of a form submission through secure message (already developed some changes required), live chat requires to be fully developed using firebase and MySQL combination. Ther...

    €492 (Avg Bid)
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    7 teklifler

    Hi freelancers, I would like to create template builder with reactjs using [login to view URL] and like to add few of our the components to drag and drop like in the form section of [login to view URL] can see different form element , just like that we will have another section call advance where we will add our own components and drag - drop to the template like (Header, footer, banner and secti...

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    change my simple react class component into pure function component, will talk details in chat

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    Currently, there are so many tasks for building our desktop web application. We have built mobile app using React Native. And we are building the desktop web application using React and Next.js. Actually we don't have enough time to do all requirements. So it is why we are looking for talented developer for our project. Best candidate should be passed simple [login to view URL] task. Please...

    €91 (Avg Bid)
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    Covert asp.net to React.js 3 gün left
    ONAYLI

    Convert current asp.net c# 45 page website to react.js. This conversion should have page loads to 3sec & no bigger then 512kb. Full SEO compatibility. Dont apply if you a React.js rookie that watched few React videos & feel you can code it. Want someone that developed fully fledged React.js websites & played around with a few react libraries. To select the best from them considering al...

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    Your tasks will be to develop custom ReactJS widgets with the guidance of mockups and documentation like sortable DataTable widget, filterable Input widget etc.

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    Mobile app developer 2 gün left
    ONAYLI

    Hello freelancers , i am marketing person and looking for expert mobile developer partner here is concept please read carefully this is going to be 50-50% partnership , means my role to get jobs and handling client conversation , and your role will be develop project , once job done and all payments we have in bank account will be paid you . freelancer fee will be reduced from total amount ...

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    Website for Ngo working for women and child development.

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    Önde Gelen React.js Topluluk Makaleleri