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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    150 jobs found, pricing in USD

    Please develop a Sharepoint provider hosted addin based on react and office-ui-fabric that will log the existing user in (Single sign-on) and display the list of libraries in the site they came from, regardless of tenancy.

    $183 (Avg Bid)
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    Make a Simple Web Application Using React & Redux and Convert that Application into an Electrode Framework(UNIVERSAL REACT/NODE APPLICATION PLATFORM). Electrode Link:-[login to view URL] we can make a simple e-commerce page using react and redux and also need to convert in Electrode.

    $203 (Avg Bid)
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    We are looking for a front end web developer that can accelerate our migration to a modern web framework. We have an existing web application that is written using the mustache template engine, jQuery and CSS. Our CSS was built by a UI designer and is not cross-browser friendly. The new web application will be using React.js (single page application), Bootstrap 4, and clean SASS. The APIs that d...

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    60 bids

    Looking for a full stack developer to build a Wordpress website, design has been completed. Would like it to have beautiful hover states and animation elements, so would like a developer with an eye for design and detail that can offer suggestions. Can supply the files as PSD with note markups. I will have several sites requiring build over the next two months, so this would be an ongoing relati...

    $32 / hr (Avg Bid)
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    60 bids

    This is a customizing and add some small features on existing site. We want to start this project today or tomorrow. We want to integrate Salesforce and Intercom with our website and add small real-time function. We also want to update some UI designs of site. If you are ready to start now, please bid asap.

    $1196 (Avg Bid)
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    47 bids

    We would like to implement 3D Glasses Try-On technology for one of our upcoming Online Eye-wear Website where we will sell Eyeglasses, Sunglasses and Frames. If you have something ready in your hand, then we can use it. Show me the demo. If you are planning to develop this technology for us, send me your price. We are using Magento eCommerce and kindly suggest how easy it will be to integrate.

    $1000 (Avg Bid)
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    I am looking for a developer who can Generate & Read CVS/Excel file using Typescript which will work in our Android Native app developed in React.js Thanks.

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    The department i am working for is trying to automate the science fare registrations, login and judging process with student registrstions and login, judge registration and login pages and then judges automatically assigned to students and they need to enter scores online after listening to the student teams

    $316 (Avg Bid)
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    Mobile Development Posted Sep 19, 2018 I have the app in kotlin, but I want to migrate to react native [login to view URL]

    $71 (Avg Bid)
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    APIs are ready. We need to make a call to APi and populate the Data table in react. You need to follow the convention of coding like using reducer, selector. You also need to know saga, flux. you can repilicate the back env (Java APi + DB) on your sandbox, so i request u to work thru team viewer. Budget for this task is USD 100. Thanks

    $133 (Avg Bid)
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    3 bids

    I am looking to develop modern tabs to be used on a modern sharepoint site. The tabs will show document libraries under each one and if user does not have permissions to view library it should be hidden. See Example of similar project used in classic mode [login to view URL]

    $867 (Avg Bid)
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    Asegurar365.com 6 days left

    I made a marketplace of insurance agents and I want to continue growing. The site is done in nodejs and react. I need a comprehensive service that maintains the site. Work with servers aws or google to host the site and knowledge of APIs and webservices. The site is [login to view URL]

    $968 (Avg Bid)
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    React.js / Node.js Developer. 6 days left
    VERIFIED

    I am looking for an expert in Node.js/React.js for some assistance in a work. More details will be provided over chat.

    $375 (Avg Bid)
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    21 bids

    We want a system exactly like Zoom Meeting, GoToMeeting or WebEx. HD video quality needed. It should be able to host many user like the mentioned systems. We need an MS Office plugin to plan and start a meeting (including MS Outlook meeting planning) and a Desktop App for Apple / Windows to start a meeting too. You need to speak ENGLISH, because we communicate during development. Please mak...

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    Hello I need to setup the following on my system : [login to view URL] It is a React Native. And need some help to setting up, is this something you can help me with? If so when do you have time and how much would this cost? Thank you

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    I have already basement site. It makes by react js and redux, python So you should fix some issues about reloading cache issue. I know it is very easy for you. Then deadline in 1 week. So only expert bid Regards

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    Hello, everyone~ I have very simple 3 tasks, maybe those are creating skeleton project. But candidate should be a senior who can handle those within 12 hours. If the result will be good, then it can be long term relationship with him.

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    We are Looking for Java with react js Senior Developer for US client Java full stack, React,angular,spring framework, Work Timing(Part Time job) Weekly 5 days - 2~3 hours daily ********Fixed Price : 20000 INR Monthly*************************

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    Hello, We are have problem with use OneSignal service in our contury. it's filter Iran, and then we can signup the application on it. What we need: 1) We need some code that worted in react-native to signup in OneSignal. 2) I think use IP changer it will help us to resolve this problem.

    $12 / hr (Avg Bid)
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    7 bids

    Hello I have app made in laraval need to convert it to full node js , react + mongo + express + Socket IO

    $187 (Avg Bid)
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    React/node js developer. 6 days left
    VERIFIED

    Looking for a React/nodejs Developer for an assist in some work. More details in chat.

    $411 (Avg Bid)
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    37 bids

    N.B. Don't do blaceholder bids if you change your offer I will not assign you the task list be fair with other freelancers and save time to everybody hello, I will provide: - the design 8 jpg and 8 psd -The endpoints, a guide on how to connect to them, postman tests what I am expecting a responsive front end that will reproduce the design perfectly. (will work perfectly on any device: phone...

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    Hello, i want to change all the front end of my site from admin, user and doctor panel. currently using laravel and blade, want to upgrade to Vue js, angular or something like that Current site is [login to view URL] I have a template as follows [login to view URL]

    $399 (Avg Bid)
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    For this first task is to make a customize component. I want you to create a custom "auto-suggest" type-ahead input. By that I mean it must be a text input that when you focus on will show a dropdown of options. Here are the requirements: The input must accept property items (type of Array<{ id: string; value: string}>) The input must accept selectedValue: string | null | undefine...

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    Flight Aggregator (Web App) 5 days left
    VERIFIED

    I would like to develop a web application (most likely in ReactJS or some other modern asynchronous web framework) that aggregates real-time flight pricing information with comparisons. Similar websites would include: Skyscanner KAYAK Flightics Momondo Google Flights Matrix Skiplagged Invisible Hand Expedia

    $20 / hr (Avg Bid)
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    1. React native graphs - I already have a graph implementation. I wanted to just move them to better Graph with good UI 2. Editor - I have a editor in the mobile app, where I could write my content. I want you to customise the editor to preview the images, and provide good formatting of text and images in the editor There are a few other polishing changes to make the UI look better But, outside t...

    $370 (Avg Bid)
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    15 bids

    I'm looking for React Native experts with Redux experience to help me make some refinement changes to my production-ready mobile app

    $106 (Avg Bid)
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    6 bids
    React native mobile app 5 days left
    VERIFIED

    We already have a react native app in progress. It's mostly done but need help with some fixes and features, e.g. 1/ Upload images from library in editor 2/ Implement some reducer functionality 3/ Help with any UI refinements and polishing Our launch is due this Fri so we need someone to work with immediately. Only bid if you're available.

    $152 (Avg Bid)
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    Mobile app to track and calculate CO2 emissions by citizens caused by their housing, consumption habits, mode of transportation (bicycle, car, plane, etc.) and trips distances (tracked automatically by changes in the smartphone's gps coordinates, the app questions the user how he/she traveled once immobile after each trip). The web platform will have an open API so that third-parties (governm...

    $12 / hr (Avg Bid)
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    Please bid if you are good in react js

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    7 bids

    The candidate must sign NCND before starting discussion. If you are recruiter of development team or have no knowledge yourself about React Native, don't apply on this job. Please write "I mastered React Native" if you are good candidate. The development team who can support Front End and Back End together will be preferred. Please review these methodology carefully Method : Agile/...

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    its my work project developer can only see my screen through webex screen share and work on the project which is in react redux

    $12 / hr (Avg Bid)
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    23 bids

    Be at the heart of the digital transformation by joining the business solution center, within the front team of about twenty people who is organized on the models used by the web giants (Component Team). You will intervene on all the application projects in a lean approach with the trades. SCRUM Agile Method Language Front: React, Redux, HTML 5, CSS 3 Back: NO of JS, Express / Loopback, etc. B...

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    Need someone to convert this app [login to view URL] It is currently written in Swift with parse(back4app) backend but has problems with scalability and cloud code. First, im going to need you to rewrite the cloud code for security and performance. Then after that's done, to convert to a React Native app for iOS/Android bug free. Needs to be able to handle millions of users and thousands ...

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    delivery app 5 days left
    VERIFIED

    create a delivery app for mobile and web

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    App Developer 5 days left

    We are need of a freelance App developer. Details and final price can be discussed in person or via phone.

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    120 bids
    iOS App -- *React Native* 5 days left
    VERIFIED

    Hi, we are a small development agency and are building an iOS app in React Native and need more senior level engineers for support - we're looking at bringing on 2 additional developers to complete this project asap. The developers will join our current team for the project, and our api is already complete and the build is in progress. We are looking for developers with experience building...

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    Backend Development 5 days left
    VERIFIED

    Require back end development work for D'Lite Bite [login to view URL] following are the requirements: - Experience in designing and implementing RESTful APIs - Java 7/8 - Java design patterns - Jetty - Dropwizard, Jersy - MongoDB - AWS/DigitalOcean/OpenStack - Users and role management (Authentication and authorization) via REST - File handling - NoSQL Database Design experience

    $564 (Avg Bid)
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    Hello I have app made in laraval need to convert it to full node js , react + mongo + express

    $203 (Avg Bid)
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    21 bids
    Backend Project 5 days left

    API with Firebase //////////////////////////////////////////////// //////////////// Backend Company - Registration of Establishments - Registered users - Control of users and accesses ///////////////////////////////////////////////////////////////// Backend Establishments - Registration Update - User management - Customers list - Real Time - Reports - Categories catalog / sub categories ...

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    Moving WordPress websites 1) into a Google Drive folder for back-up 2) from Managed WordPress onto cPanel

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    Hello. I need a react native developer to build me an app to create and manage car rides with other users. The backend is already built in nodejs. I only need the application to be made.

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    What I need is a application a browser base application good looking fresh and modern hybrid fits on all mobile screens needs to work on android devices chrome ( AND MOST OF THE POULARE BROUWSERS) needs to work on apple devices chrome ( AND MOST OF THE POULARE BROUWSERS) login and registration module lost password user name grid list look and feel of all users on line personal profile page wh...

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    It should be look beautiful and light and neat and clean. I want expert who have ability to make this project done completely. Only bid who have long history with full experience of react and redux.

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    Hello, We are working on a new product aimed at fostering teamwork and we are looking to hire an experienced professional to help with the front-end mobile application development in react-native. We are currently working on the back-end which will be hosted on AWS. We would like to start with the following screens, navigation, internationalization, and authentication. 1. Entry screen to sele...

    $22 / hr (Avg Bid)
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    Fix detached expo and make it compilable at ios simulator (Teamviewer to my pc)

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    I have a project that requires the use of stored procedure in mysql. With some other Api making golang [login to view URL] freelancer has to be a confident expert to help fix issues in the current code.

    $529 (Avg Bid)
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    We need to clone a site for our own. [login to view URL] For detail specification, plesae check above site. Must have experienced in Laravel, MySQL and React. Show me your previous examples like that site with estimation price and time in your application, without that your bid will be declined.

    $19 / hr (Avg Bid)
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    Build A WebApp 4 days left

    I|O is looking for freelancers! We do pretty interesting work with new technologies such as PWAs, Machine Learning, AI and Blockchain, and we're big on web standards, so if that sounds good to you, please get in touch. We're looking for experienced web developers (especially React devs) with a passion for beautiful code and helping tech startups across Africa to develop their products. (...

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    Thanks Everyone! ***PLEASE READ DESCRIPTION FULLY***PLEASE... I'll never respond to spam bidder. You have to prove that your bid is not spam with any way. Following is my description. I have 3 website templates. I'll show it to proper candidate. You must build react app that seems like these template. First template is for news. and the others are complex. So only i need collected develo...

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