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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    PDF stream in React Component 6 days left
    VERIFIED

    Hi, I have created a React PDF component on my react locale project. Problem is that I need to use PDF stream instead of file path. I will send you my demo files, I think it should be an easy fix.

    $34 (Avg Bid)
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    1) Mobile App for iOS & Android using Xamarin 2) Use identity provider to authenticate the user 3) Once login, provide event description with "Register / Update" button and cancel RSVP. 4) Consume external web api to write / append information

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    I need my invision project, REACTJS front end code done. Taking my designs and turning it into a working version. refer to invision links: [login to view URL] [login to view URL] [login to view URL] I want it to look exactly like the invision using text, some images, and font awesome for the icons. I can provide the images or we can use the invison to download them. I need this done in REACTJS ...

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    We're looking to find a strong React / GraphQL developer for a restaurant / food website to accompany the Instagram account we already have in place. The application itself is pretty simple, typical SEO property with directories. For the first version we will not need user accounts, it is just a static directory of restaurants. Additionally, we'd like an interactive map that shows t...

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    An experienced web developer/designer to help us build the following : Deliverable 1: a . Landing page b. Logo of the application. c. Business explainer video explaining the usage/idea of the web application. Video should be 60sec long Full HD with voice over included (UK accent). Deliverable 2: a. Design the overall styling of the application (i.e buttons, fonts, color schemes etc) The projec...

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    We have a running DEX but on running market [login to view URL] tech spec we want. Specifically we want to build a [login to view URL] like exchange. 1. Front end totally change (use react or any other tech) 2. Full source code need to be provided 3. Backend server 4. Token listing/integration process 5. Deploy on digital ocean 6. 2 color theme daymode and night mode ** All resource are avi...

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    Software consultants is a company which provides accounting software solutions to the clients along with that we are into cloth processing and trading we are their in this industry from past 20 years head office at Jodhpur, Rajasthan, India . We are looking for the experienced freelancer / Team. Our software was written and developed in DOS but since technology is changing and accounting rules ...

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    A Material Manufacturer (hereinafter referred as MM) , their clients ( Clients hereinafter are referred as Local Manufacturers) Local Manufacturers are Fabricating Products that are built using MM Manufacturers raw Material Local Manufactures have the ability show their Products to their end Clients B2C Using applications ( Hereinafter referred as Product Application). Product Applications w...

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    Build an E-commerce website with MERN Stack( MongoDB, [login to view URL], React.js, Node.js)

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    We are building a fun and exciting job portal to enable employers to post jobs and opens up to the community to apply. Target market will be Malaysia and the portal makes Malaysian to feel at home with the portal. We are currently building up the web application. We are looking for an ui/ux designer to design the web pages from login to job posting to job application, all the way to logout. In ad...

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    Web Engineering 6 days left

    Upstack is a friendly team of the world’s most talented freelance developers, working remotely for some of the coolest start-ups. It’s fun and challenging to join the top 1% of the world’s developers. We have a strong focus on quality clients and developers and try to work on software that we love! Upstack is officially based in New York City and we have offices in NYC and LA. We...

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    28 bids

    Upstack is a friendly team of the world’s most talented freelance developers, working remotely for some of the coolest start-ups. It’s fun and challenging to join the top 1% of the world’s developers. We have a strong focus on quality clients and developers and try to work on software that we love! Upstack is officially based in New York City and we have offices in NYC and LA. We...

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    Need someone with React/Redux, Javascript experience.

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    React Developer 6 days left

    We are looking for a talented React developer experienced in PWA. The application container is already built and designs completed. You will be working with a PWA expert who will be reviewing your work. We require applicants to have previous experience in building PWAs and can show sample work that follows best practices.

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    I need to fix simple issue in my react project.

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    React developer needed for game development related SPA Stack is Electron React Mobx Antd PouchDB /couchdb Please start bid with 'Sunday' or bid will be discarded

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    Need React JS developer to fix caching/cookie issue of the website

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    First time posting here, Need to build a android and IOS which is a replica of existing app.

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    Hi, I am looking for the development of a "Group Chat" mobile app. I need it to be developed on the "React Native" framework in the "React" language using "[login to view URL]" for both IOS and Android. I also need the back-end to be done on "Firebase". Experience in "React Native Elements" would be very beneficial. Group chats within the...

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    I've attached the work details. Please read them and respond. You will be able to build locally using my API and make form scratch. ***PLEASE ONLY RESPOND IF YOU KNOW React, GraphQL (Apollo), Mongo, and NodeJS You will be asked to prove your ability.

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    I've attached the work details. Please read them and respond. You will be able to build locally using my API and make form scratch.

    $320 (Avg Bid)
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    I am looking for someone to help me. My website is built on node.js/express and written in JavaScript. It is mostly made up of a series of JavaScript single page applications (SPAs) built on d3.js, React.js and flux. will share more detail in interview.

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    You need to code on my laptop by screen sharing, teach me some basics. I have theme purchased and everything installed. I am also Asp.net developer , and know MVC, SQL. We will use stored procedures. you will just guide me, work I will be doing.

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    I just need developer to develop mobile application using react-native. All you need to do just create the front-end. Here is the example of application that i need. [login to view URL]

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    Hi, I would like to install react-native-fbsdk and react-native-maps in a react-native app. Bid only if you have experience with this and react native. You will only install and test these two modules, I don't need special development. You will work thru teamviewer Thank you.

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    We are a Portuguese startup looking for a frontend developer to implement, in React.js, the frontend of a simple responsive website. We will provide the developer with detailed mocks, in Adobe XD, of the pages that are to be implemented. The website is composed of a total of 8 pages. This is an ongoing project so, if we are happy with the quality of the work provided and you wish to keep working ...

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    Build an application 4 days left
    VERIFIED

    I'm looking for senior react/redux developer who can complete current React Application. Backend is Express, Mongo DB. Must familiar with AWS.

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    i need a good website build me a website.

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    GIS BASED WEBAPP 4 days left

    14W Technologies works on making solar energy reliable in the long run. Our goal is to promote sustainable energy through use of modern day technology. We need freelancers to help us build the webapp to display our inspection details to clients across the world. Freelancers familiar with Reactjs would be great for front end design. A simple user profile creation with multiple logins with differe...

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    Develop a voting web app 4 days left
    VERIFIED

    We are looking to get a web app developed that contains the following flow User enters site Registers/log in select which voting poll they want to participate in once selected, they vote which one they want from the list provided. Hit vote, they most answer some additional questions. Once complete. Vote is registered and accounted for on a leaderboard that totals votes from all voters. design, ...

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    [login to view URL] 1.1Requirement 1.1.1A normal b2b and b2c mall, which operate by headquarter. 1.1.2Additional a region mall,which operate by region operator, also is b2b and b2c, but the commodity only be sale in a specific region(county or Urban area of a city). 1.1.3Functionality for supplier, headquarter, operator, offline store or member need to be implemented for b2b and b2c for global a...

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    Home page design of website with custom images

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    I have a ready project written in Ruby,, and I would like to write it in React,,and include Postgres file [login to view URL], instead of using pgAdmin ,, so if you can do this please text me,, thanks

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    Needs to hire 2 Freelancers We are looking for a full stack developer for our mobile/web app project. Frontend Java (Android) or React Native, Angular. Will need to be connected to an existing backend on PHP (Laravel). Will be required to do edits on the backend. To be considered you will need: To be a Mid to Senior-level full stack developer. Have Angular and React development skills. Experien...

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    We need Java, spring boot, Kafka, Cassandra, ReactJS developer to give job support. It' s an urgent requirement. It's long-term job support you need to give support every day. We will pay monthly Rs. 18000/-. Job support means I am busy with my personal works and you need to complete my office tasks. I will share my TeamViewer regularly when I have a task you need to connect through it a...

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    We've recently built a site in ReactJS, however need assistance to make all page indexable and for the meta data to be read by search engines. This might involve modifying the existing code or a rebuild, using the code that's available. The website was built on the Contentful CMS and we would like to stay on this - [login to view URL] We're open to suggestions.

    $46 / hr (Avg Bid)
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    LEAF is a safety technology company with the mission to solve the problem of human safety by disrupting the largely unorganized security market. We are creating an infrastructure of responders PAN India who can respond to any problem within a short stipulated timeframe. We have 3 parts of the system: 1. Client SDKs: which integrates into their app: and when someone clicks SOS in their app: it sha...

    $12 / hr (Avg Bid)
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    8 bids

    We've recently built a site in ReactJS, however need assistance to make all page indexable and for the meta data to be read by search engines. This might involve modifying the existing code or a rebuild, using the code that's available. The website was built on the Contentful CMS and we would like to stay on this - [login to view URL] We're open to suggestions.

    $72 / hr (Avg Bid)
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    34 bids

    My reactjs and nodejs code is slow i need someone to review my code over screen sharing and provide recommendations to improve the performance. since this project is for will be for long term support i need someone to bid low.

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    I am looking for a expert react/redux developer to help me complete a project built using [login to view URL] - Switch from psql to sqllite - Create a unique ID oustide of JWT - Fix all the websocket issues (socket keeps dropping) - Fix UI issues - Get into a deployable state for production - If the server restarts, some state is lost

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    Creating web application. Already have blank base project. Just need help adding features. Want to start with just user registration and validation using a wizard.

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    We need a developer with strong experience in JavaScript, especially Node.js. If you know [login to view URL] it will be an advantage, so please inform about it in your offer. You also need to have some knowledge about relational databases (MySQL). It will also be an advantage if you have experience with IBM Cloud and the Watson Services API.

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    Redux saga test writer via screenshare

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    I have react js web app ready and I wanna add couple of things,, google map api is first thing to add ,, the second is rendering data,,

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    hello i need to start project as soon as possible , you must be expert with node.js and react project concept : its virtual fair platform job a detailed document will be shared with with qualified person , you must be dedicate and atleast 5 year experienced . put only 3 best links not more then , if u put more then means u have not read job and u will be declined automatically . thanks

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    We are a software company and we need some consulting for one of our products. Our product is a simple web app built with ReachJS and FireBase. It is related to Order and Distribution Management for a Retail Store Owner. Currently the app does not support Multi-tenant architecture. We need someone to guide us in implementing the same. We need someone experienced in developing Multi-tenant capable ...

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    Need redux saga test writer expert to help me via screen share right now.

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    Work on an agile team for the development of a firebase web application in React.js. You need to be familiar with: -react for a component-centered approach to development -webkit -git repository -firebase firestore -progressive web app Looking forward to hearing from you & telling you more about the project.

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    Node.js and react expert only 2 days left
    VERIFIED

    hello i need to start project as soon as possible , you must be expert with node.js and react project concept : its virtual fair platform job a detailed document will be shared with with qualified person , you must be dedicate and atleast 5 year experienced . put only 3 best links not more then , if u put more then means u have not read job and u will be declined automatically . thanks

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    React Native expert only 2 days left
    VERIFIED

    I need a simple react native android GUI. More details in private chat.

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