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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    108 jobs found, pricing in USD

    We are a London-based startup on a mission to build the leading cloud and mobile SaaS platform for digitising traditional restaurant, coffee and bar businesses. We deliver white-labelled apps that allow businesses to handle mobile payments, loyalty, and marketing messages - thus engaging with their customers in real time, and increasing sales and operational efficiency. Our platform is used in the...

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    Need react developer for treading website. should understand API integration, crypto, web socket, core programming etc. if know node.js react will be additional advantage.

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    I have an existing React Native App for which I need to finalize some last issues. You have to be an expert in React Native and be easily reachable to provide updates as needed. I need to fix some structural issues and make sure it also works well in Android. I need a person that knows React Native well and also knows about adding things like micro-interactions + is very precise when it comes to...

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    NodeJs Developer 6 days left

    We need Node JS developer who can handle huge data from multiple API. Students with CGPA(2018-19) with 6.0 can apply.

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    Looking for full-stack mobile app developer at new mission-based startup. Position is FTE remote, working closely with founders on daily basis, to develop MVP of mobile app for women. Requirements: BS/MS required in computer science or related field 3+ yrs experience developing software products (consumer or enterprise) 3 yrs experience with front-end Javascript frameworks (Angular or Reac...

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    We are developing a strength training website (currently in open beta), which is an online training log for a famous strength training book. Mobile browser version will be using react for page design, and jQuery mobile for page transition, page caching and animation. Please include some examples of mobile compatible sites you've built using react and jquery mobile to your proposal.

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    i have a code written in reactjs and nodejs i want someone expert to review my code to improve the page performance. i have a challenge the code review has to be done over screen sharing .

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    Need a Full stack developer who have some basic knowledge about cryptocurrency, blockchain, and are familiar with the following stack: Node.js, React.js, Redux , AWS, DynamoDB, the ideal candidate should have worked with several successful projects, is an ***excellent front-end developer*** The brokerage needs to have a payment mechanism for depositing the fund, as well as a dashboard for viewing...

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    React Studio is only on Mac OS. Our API documentation link can be found, here: [login to view URL] We want to create some example of simple Dashboards using React Studio. This sample code will be given to our client base. The contractor can work with us and the clients to be paid also to customize the sample dashboard(s). Note. The API is Restful, but since we use [login to view URL] it also...

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    Wechat mini app 6 days left
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    I need a wechat mini app built. Please do NOT bid if you have not done this before. You MUST know fluent Chinese and have worked with wechat mini app before.

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    Hi. This is Armando, a Mexican developer looking for another dev to help me out with one of my projects. I have a few companies that need an internal app to communicate with their employees. In a nutshell, they need a messaging tool for Android and iOS. And in particular: - a web panel (users/groups management, generate reports & send messages to apps) - mobile apps. We'll need some kin...

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    Peatio Trading-UI 6 days left
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    Open Source Exchange Peatio UI / UX

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    Website, Javascript App 6 days left
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    We are working on a small javascript app. It will most likely use React + Redux + Apollo tech on front end. You will need to do a small 10 minutes coding example. This is an hourly milestone-based project. I usually work on milestones at 100-150. No time trackers. This is on-going project and will likely continue for a long time.

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    for PotaPov-D Developer 6 days left
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    see attached document --for requirements. must be done in 1 day

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    We are developing an android app with react native. As a part of our application, we required image merge/layout. Please refer attached JPG. Only two merge layouts one is merging horizontally, and another one vertical is required. Maximum merge images should be only 2. The user can pick up images from the gallery, different folders as shown in picture-1. Automatically the selected pictures will...

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    I need an app in react native where users can purchase products and basic functionality of an eCommerce platform

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    I need a website and mobile app I am going toward hybrid app. i have attached details its really necassary for this project that you guys have proper knowledge of digital currencies and how coinbase works. give me your estimate budget in proposal with similar project link you have done before. *Please read documents

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    Senior React Native Developer 5 days left
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    I am looking senior React native developer. Now, I have code-base, but now it has some issues. Who can fix this issue and run this project within an hour?

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    Chrome Extension tool to help users easy upload and dowload data

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    We are seeking a team of developers to support our team in Norway. The developement project will required 15-20 000 manhours over a 2-3 years period + support The technologies we will be using are: Front-end • React • Redux • Apollo-client (GraphQL client) • Material-UI (Material Design framework for React) Back-end • PostgreSQL (Future plans for Neo4j or similar graph dat...

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    i have existing point of sale application i need very attractive user interface design for my application i want something like i attached jpg file i need the interface to be in html css or bootstrap with react or angular or js integrate to make it faster you have to do design and implementation both i need just html and css with js or react with application integration i will do Budget : 10...

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    I am looking for a React-Native mobile application developer. At first, this project is a ongoing one. Here's short description for the project. User will login into the app, you get api from the company with all user information and subscription expiration, the user will be seeing company’s news, submit tickets and chat with the chat bot and also to pay subscription. The first phase, ...

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    I’m looking for a React Native professional to develop an Android & iOs app for a restaurant. I will provide all the needed Endpoints (json) in order to load and interact with the data. You will receive as well a mockup containing all the screens and a deep explanation of how should work every one. A long experience and previous jobs done on this technology will be a requirement. We wi...

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    I am looking for someone who can work independently without my supervisor. You should 1. work fast 2. much experience in MERN stack development 3. keycloak experience (preference) If you have MERN stack experience, pls apply with "MERN". If you also have keycloak experience, pls apply with "MERN Keycloak".

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    React Web and Mobile Apps for about within 10 screens/pages. I can discuss details in message. By bidding you agree all work, info, design, code etc will be 100% confidential and will not be shared anywhere or reuse at all. Please write I agree to confirm if you agree this.

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    React component is needed 5 days left
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    We are looking for a person who can make react components very quickly.

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    React Native developer - 5 days left
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    Hi, We are looking for a freelancer with Knowledge React Native to do some minor updates on our app. We have many Mobile app project on a regular Basis, will be looking to build a great working relationship. Regards

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    Create an app in React Native that will have a screen for the user to perform live streaming using the App mobile camera. The app needs to work on Android and IOS. Live streaming encoder (broadcaster) The live streaming should be done using the RTMP protocol for a cloud server. To send the streaming to the cloud server, you need the information below. url cloud server streaming: rtmp: //[login ...

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    React Native developer 5 days left
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    Hi, We are looking for a freelancer with Knowledge React Native to do some minor updates on our app. We have many Mobile app project on a regular Basis, will be looking to build a great working relationship. Regards

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    We already have an app that is on React Native. We need to add an option to that app to make it move contact information from the app to the phone contacts. It needs to be for Android and iOS.

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    I need to build a React native Mobile App bu pulling the actual content from a CMS using REST API. While the content is driven from CMS, the app also needs to integrate with Document SDk, Licensing verification and content pulled from CMS. The actual skeleton code to pull the content from the CMS using REST APIs are available.. It does need a change to include few more content types, but the foun...

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    Looking for Senior React Developer for an on-going project. We are developing a social media project and hired some developers. But they will not be available from next week as Xmas so that we're finding developers who can work on front-end. Required Skills: Front-end: React Back-end: Python For hiring correct developers, we will do a simple test. We will not pay the test as it is very simple...

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    refactoring existing react js frontend to new theme/api calls - mostly as table disaplay/api calls to an hybrid react app that can work on andorid and acts as a web site (expo / react native . or any other good way)

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    Developer a android VPN Application , I will giving the VPS servers , add the admob native advance and interstitial inside the project , developer with JavaScript that have experienced , making a splash when using open the application , the project will giving to the developer company using react native

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    I have a web project by written ReactJS and NodeJS. The project will be develop a few functions. I am looking for good developer.

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    develop mobile app for Business cad reader (vCard) 1. scan business card 2. convert business card into text 3. add to contact - Using React Native - This feature must be support both iOS and Android NOTED !!! - Please bid only experience developer who work similar app

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    Senior level PHP developers needed.

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    i need a cryptocoin prooject that can handle arbitrage between cryptoexchanges. recently a developer worked for this project but he had health issues and left the project Project %50 finished but not completed, frontend is nearly complete, all codes are in server and it works partly, have 3 cryptocoin exchanges and 15 coins integrated. - job description and details are here [login to view URL] - i...

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    react developer 4 days left

    we are a small medium enterprise called Lasting Dynamics, software house in Torre del greco and we are looking for a react developer (not remote)

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    Pequeñas modificaciones al front de una applicación web construida sobre Javascript, React y Node.js

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    Clean Ant.Design PRO Setup 4 days left
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    Hello, I need someone who can setup [login to view URL] PRO on my server. The person should help me to style the following backend parts: - login - navigation - dashboard - 5x subpages The project is very simple, but the code has to very clean and structured. The budget is around 100$.

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    Looking for React.js Developers for multiple projects. Only experienced developers should bid

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    HI, Experienced developers needed for Mobile and Web Development. Please share your project links on Ionic, Angular and React.js to get shortlisted.

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    I have a web site by written reactJS and NodeJS. It has some errors and I want to fix it. This is simple.

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    ***** Please read all of descriptions and bid accordingly. Answer all of the displaying queries, otherwise you will hard to be considered.***** Looking for somebody that has lots of experience in Java(Web development) and React.js to work on an existing website portal. What you need to do is finishing MVP and eventually move to V2, V3 if you are good. In order to be considered please let me know...

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    We want a fully customisable ecommerce website , App ( on ios & android) and Mobile site . The frontend UI will be on react/angular. Backend will be seprate from front end and will use sass/Less and laravel.

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    i want a ecommerce website , app (ios & android ) & mobile site for online grocery . The ui will be on react or on angular. Other needed languages and frameworks are sass/ less and laravel for backend.

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    The developer must be good with English. Able to understand and communicate in English. The project specification will be provided. Design is not provided. Looking to work long-term with us. Able to work at least 40 hours per week. Familiar with ReactJS/Redux, HTML, CSS, Javascript. Familiar with Drag-gable JS.

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    looking developer in react.js for a progressive web application: reference : Flipkart lite API is ready

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    We are building a messaging platform with direct messaging, group channel messaging, location sharing and emergency features, organizations with support chat, voice and vide calls, push to talk. Think Discord for consumers with organization support chat like in Whatsapp or Facebook Messenger. This platform also supports additional communication features like satellite messaging on some Android dev...

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