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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    169 trabajados encontrados, precios en USD
    Multiapoyo web 3 días left

    Necesito un sitio web nuevo. Necesito que diseñen y construyan un sitio web para mi pequeño negocio.

    $6152 (Avg Bid)
    $6152 Oferta Promedio
    21 ofertas
    Programador/a de habla Española 1 día left
    VERIFICADO

    Buscamos a Programador/a de habla Española.

    $15 / hr (Avg Bid)
    $15 / hr Oferta Promedio
    44 ofertas

    Hello, I need an expert on ReactJS, Redux and Saga to build a UI for a platform already under development. The team is already working. I want to add another resource to speed up the development. Please connect if you have time to spare for this project. I would want someone who can dedicatedly work on this project as the release timelines are very stringent. Contact for more information Regards...

    $494 (Avg Bid)
    $494 Oferta Promedio
    9 ofertas
    Twillio Call and Video React APP 6 días left
    VERIFICADO

    Ready-Made Solution - If anyone has react app in which Twillio Voice Call and Video Call features implemented. Please Bid. Make sure it would be really quick and I will decide only checking the demo. WebRTC is also fine.

    $97 (Avg Bid)
    Acuerdo de Confidencialidad
    $97 Oferta Promedio
    2 ofertas
    Frontend Developer -- 3 6 días left
    VERIFICADO

    Hello I am looking for React, Angular & Vue Expert. Mobile responsive skill mendatoried. I really want Expert but not beginner. Please don't study while you are working. Good communication preffered.

    $483 (Avg Bid)
    $483 Oferta Promedio
    14 ofertas
    Frontend Developer -- 2 13 días left
    VERIFICADO

    Hello I am looking for React, Angular & Vue Expert. Mobile responsive skill mendatoried. I really want Expert but not beginner. Please don't study while you are working.

    $18 / hr (Avg Bid)
    $18 / hr Oferta Promedio
    35 ofertas

    Design is prepared. I need pixel perfect responsive html page

    $122 (Avg Bid)
    $122 Oferta Promedio
    32 ofertas

    React developer required to work on complex and long term and fast growing development project. You will need to be responsive. You will need to be smart. We want someone who can bring their own ideas to the table, not just someone who follows our requests without question. Ideally the candidate will have experience working with javascript widgets for installation on client sites. You will need...

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    35 ofertas
    Need React Redux hooks expert. 6 días left
    VERIFICADO

    Hello I am seeking for React.js developer experienced in Redux Hooks. I need to fix a minor bug on my project. Thanks. This job will be on-going project.

    $39 (Avg Bid)
    $39 Oferta Promedio
    15 ofertas

    I need to write my first unit test and I'm unfamiliar with Jest. I have a form created with Formik in a React application. I need a Jest expert who is familiar with writing unit tests within a Formik form. My company does NOT use Enzyme. My preference would be to share my computer and have you write the test while I watch.

    $147 (Avg Bid)
    $147 Oferta Promedio
    6 ofertas
    React landing page 6 días left
    VERIFICADO

    I need a landing page via React. psd design is prepared. max budget is 40, deadline is one day

    $21 (Avg Bid)
    $21 Oferta Promedio
    11 ofertas

    Launching a SaaS flex staffing platform (On Call), which enables IT service provider and hospitals to co-manage flex labor resource staffing. Functionality includes: - Staffing Database: UI Design - Project Assignment & Planning: UI Design - Onboarding Portal: UI Design - Worker Profile: UI Design - Data model and API integration optimization in conjunction with the back end The initial back...

    $34 / hr (Avg Bid)
    $34 / hr Oferta Promedio
    41 ofertas

    I need an Android app for my taxi business. I would like it designed and built. Will need an Admin dashboard and driver app.

    $1813 (Avg Bid)
    $1813 Oferta Promedio
    12 ofertas

    I currently have a project that I am looking a Frontend Developer. It is a very large application and I am looking to hire 10+ Developers. If you are interested, please send me an email to cto01013 at [iniciar sesión para ver URL] along with you projects and your resume or sample projects. This is a long term work that I am looking to fill and we are looking for more developers to grow ou...

    $25 / hr (Avg Bid)
    $25 / hr Oferta Promedio
    51 ofertas

    I am looking for react UX/UI designer. I've already design. Please bid Indian.

    $151 (Avg Bid)
    $151 Oferta Promedio
    21 ofertas
    ReactJs Developper needed 6 días left
    VERIFICADO

    Hi, I am looking someone who can build reactjs form using React Hook Form Please bid only if you know react hook form and can create reuse component. Thank you

    $13 (Avg Bid)
    $13 Oferta Promedio
    17 ofertas

    We're looking for a professional React/Node developer. Please specify your experience in React/node

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    76 ofertas

    Specifications in the document attached.

    $529 (Avg Bid)
    $529 Oferta Promedio
    27 ofertas
    Food application 6 días left

    I need an Android app. I already have a design for it, I just need it to be built.

    $982 (Avg Bid)
    $982 Oferta Promedio
    26 ofertas

    I want a website currently in ExpressJS to be rebuild ReactJS with better UI. Extended Features :- 1) Chat Feature (Private or Public) both.

    $914 (Avg Bid)
    $914 Oferta Promedio
    16 ofertas

    Front end developemt of a new website UI. 4 pages including home page. 3-4 main effects wo work on.

    $95 (Avg Bid)
    $95 Oferta Promedio
    15 ofertas

    We would like to have a web app that helps us with these requirements: 1- Working on sentiment analysis model (python Save model pkl), and deploy that model so we can use it in the next steps (prediction based on the user input) 2- page with search bar and other parameter where I can enter keyword to fitch pull data from twitter (using my credential token) based on a parameter we discuss this l...

    $1729 (Avg Bid)
    $1729 Oferta Promedio
    31 ofertas

    I have RN project using react-native-yz-vlcplayer plugin. But it doesn't work well on RN version 0.61. I am looking for RN expert who can solve it and upgrade packages to version 0.61. If you are available this, please feel free bid right soon. Type on header - RN expert 0.61 - So i can find it not bot [iniciar sesión para ver URL]

    $70 (Avg Bid)
    $70 Oferta Promedio
    5 ofertas

    BTC EXPERIENCE REQUIRED: We currently have an unfinished mine sweeper gambling script for bitcoin. It needs to have the implementation to check if balance is deposited, and to make it possible to send payments. We do not want to use a party such as BitPay. The goal: - create a script that generates adresses from xpub - every new gamer gets a new public adress - API checking if player has deposit...

    $452 (Avg Bid)
    $452 Oferta Promedio
    14 ofertas
    MERN Stack Developer - Long Term 6 días left
    VERIFICADO

    READ BEFORE YOU BID: * Generic (copy/paste) bids will not be considered. Tell me something which will convince me that you're the right fit for this job. * This website to be built using MERN stack only. DO NOT apply if you don't have all of these skills. * Post daily commits to Git so we make sure the work is going in right direction. * You must be using Freelacner Time Tracking App, do...

    $13 / hr (Avg Bid)
    $13 / hr Oferta Promedio
    60 ofertas

    We, the Levaro GmbH are a full-service agency from Germany. We support customers with exciting projects around the globe in all aspects of the web. In order to be optimally positioned for the increasing number of customers, we are in the planning to open a further office in the Philippines. For this start, we are looking for dedicated freelancers for a long-term work relationship with option to tr...

    $1215 (Avg Bid)
    $1215 Oferta Promedio
    30 ofertas
    Mern Stack Developer Teacher 6 días left
    VERIFICADO

    I am looking mern stack developer who can teach me, mern stack. I am not beginner but I want to learn more. pay $3 to $5 per hour. Please bid according to it.

    $15 (Avg Bid)
    $15 Oferta Promedio
    2 ofertas

    Looking for help completing the authentication function in our React App. Currently have an express server running on Firebase Functions, and using Firebase UI for auth in the app. Currently have wrappers for whether the Auth is loaded, and whether the UID has a custom claim titled “orgID” (multitenant). Have some issues with the Firebase UID being incorrect on the admin sdk in expr...

    $529 (Avg Bid)
    $529 Oferta Promedio
    17 ofertas

    Working as a full time for React and React Native project.

    $29 / hr (Avg Bid)
    $29 / hr Oferta Promedio
    90 ofertas

    This gig is a few portion of the UI development of the IN-D One platform which would serve as a gateway of other products from IN-D by Intain. The menu bar of the product would be developed internally and few screens have already been developed. The requirement would be just the screens to be developed in react js and integrated with the rest. The project design file would be in an xd link. Attach...

    $86 (Avg Bid)
    $86 Oferta Promedio
    2 ofertas

    We are [iniciar sesión para ver URL] and we are looking for talented developers to help us shape the future of education. Our platform has the world's best online, university-level courses, taught by some of the most celebrated educators in the world. Our courses use the active learning method to help students visualize, understand, and enjoy learning. You will be joining our front-e...

    $1185 (Avg Bid)
    $1185 Oferta Promedio
    16 ofertas

    I want someone to develop me a Web app like zoom with some extra requirements.

    $1440 (Avg Bid)
    $1440 Oferta Promedio
    13 ofertas

    Need ready source code for app similar to Zoom and google class.. if you have it or made similar so send us your bid... if u didn't make it before kindly don't send us

    $664 (Avg Bid)
    $664 Oferta Promedio
    9 ofertas

    Hi, I'm looking for a developer to work with me remotely to build an ERP SAAS application. We need to design and develop the database first. And Webservice with web application after there. I prefer to use a react admin theme and connect to the back end. It will be a long term project and will need ongoing development. The skills you should have : - MySQL - PHP with a framework (Laravel pref...

    $9 / hr (Avg Bid)
    $9 / hr Oferta Promedio
    47 ofertas

    We are looking for a senior Jitsi developer with React experience. Please apply if you have experience in both of Jitsi and React. This is the long term project for the correct developer.

    $34 / hr (Avg Bid)
    $34 / hr Oferta Promedio
    8 ofertas

    I'm looking for React developer who has professional experience. In your proposal, please include your experience with Internationalization and Localization. If it doesn't, your proposal will be declined.

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    49 ofertas

    I am looking for a senior React Native mobile app developer. I need my React Native app UI updated with design. Send me your github username so that I can check your professionalism.

    $9 / hr (Avg Bid)
    $9 / hr Oferta Promedio
    21 ofertas

    Web app that is functionally very similar to [iniciar sesión para ver URL], except using a template to modify design. Please provide a rough estimate in your initial message for a 1:1 remake of Coinpayu, and I can use that as a gauge to pricing. Devs with proven track records that can complete this project fast and quote competitive pricing will be contacted.

    $794 (Avg Bid)
    $794 Oferta Promedio
    4 ofertas
    Mastodon Customization 5 días left
    VERIFICADO

    Seeking an expert in Mastodon to customize it and run a scalable server on a cloud based service from AWS/Google Cloud/Azure. Must be a passionate engineer / final year student in Computer Science/Engineering. Must exhibit ability to do design before coding, have excellent communication skills - written and verbal. Developer must have own computer (Linux/Windows/Apple) & phone for develop...

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    9 ofertas
    Develop small job booking platform 19 días left
    VERIFICADO

    Our idea is to create a service finder platform for booking small renovation jobs where people can list a job and get connected with the right handyman. Like a Uber model. There is a similar platform we you can use for inspiration. We want the same functionality and working proces. You can find it in the word file. Prefer a modern development stack like MEAN or MERN with Angular or React. ...

    $3109 (Avg Bid)
    $3109 Oferta Promedio
    157 ofertas
    React Native expert needed 5 días left
    VERIFICADO

    I need more hands in my React Native project. It is building UI of existing react native project. Please share your github name so that I can check your professionalism Thanks

    $9 / hr (Avg Bid)
    $9 / hr Oferta Promedio
    17 ofertas

    Hello! We're an e-commerce agency from Vietnam. Right now, we're desiring to find a React Developer that can go online and help us with code review for our internal team. We expect to have high quality developer who can provide professional code review. Please share your hourly rate then we can discuss further. If you're interested, please send me a message right away!

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    27 ofertas

    We are building a ICON-Network based DApp platform and looking for a developer with previous experience of building a DApp Game - Texas Holdem. It would be better if you already have built the same game before and already have the resources. Knowledge/Expertise in ICON network is preferred but not mandatory as long as you are able to deliver a fully functioning Texas Holdem. I will be guiding yo...

    $1212 (Avg Bid)
    $1212 Oferta Promedio
    9 ofertas
    Looking for react native expert 5 días left
    VERIFICADO

    I need more hands in react native project. Need an expert in React Native development. Please share your github id for me to check your professionalism.

    $12 / hr (Avg Bid)
    $12 / hr Oferta Promedio
    28 ofertas
    NextJs with React 5 días left
    VERIFICADO

    I am trying to make an existing React application and converting it into NextJS server side rendering application and the api call that i am making on the client side is now going to happen on server side, but i am stuck as the call is not happening at all and i am stuck here. Reaching out for some help in resolving this bug. I have set up the code for NextJS and everything but i am missing someth...

    $26 (Avg Bid)
    $26 Oferta Promedio
    8 ofertas
    rect based work 5 días left
    VERIFICADO

    i am looking for experience react developer, who can handle my present projects and work with my other projects too.

    $102 (Avg Bid)
    $102 Oferta Promedio
    10 ofertas

    Need help in adding features for webrtc video chat plugin for mattermost chat application. Code is in javascript. It is open source [iniciar sesión para ver URL] Need help making the plugin production grade, adding features to submit it for mattermost plugin marketplace [iniciar sesión para ver URL] Plugin needs to be installed in a mattermost installation. use these steps to setup ...

    $440 (Avg Bid)
    $440 Oferta Promedio
    5 ofertas
    React Developer 5 días left

    Responsibilities Developing new user-facing features using [iniciar sesión para ver URL] reusable components and front-end libraries for future use Translating designs and wireframes into high quality code Optimizing components for maximum performance across a vast array of web-capable devices and browsers

    $541 (Avg Bid)
    $541 Oferta Promedio
    32 ofertas

    Hi, I am Michael CEO in outsourcing company in HK. We are looking for candidates who expertise in JavaScript based libraries/frameworks such as React and Vue and Node.js for backend. You need to have strong experience in Frontend side(html/css/scss with animation). Must have good communication skill(English) Will hire in a week.

    $31 / hr (Avg Bid)
    $31 / hr Oferta Promedio
    51 ofertas
    React Developer 5 días left

    Hi, I am Michael CEO in outsourcing company in HK. We are looking for candidates who expertise in JavaScript based libraries/frameworks such as React and Vue and Node.js for backend. You need to have strong experience in Frontend side(html/css/scss with animation). Must have good communication skill(English) Will hire in a week.

    $32 / hr (Avg Bid)
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    44 ofertas

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