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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    110 δουλειές που βρέθηκαν, με τιμές EUR
    Using React Studio by Neonto, use our API to create a dashboard 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    React Studio is only on Mac OS. Our API documentation link can be found, here: [κάνε είσοδο για να δεις το 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 clie...

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    9 προσφορές
    Wechat mini app 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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.

    €545 (Avg Bid)
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    12 προσφορές
    Messaging app generator / backend 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    8 προσφορές
    Peatio Trading-UI 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Open Source Exchange Peatio UI / UX

    €312 (Avg Bid)
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    7 προσφορές
    Website, Javascript App 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    Finish React Native Mobile App 6 μέρες left
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    Full stack developer needed for this project with relevant experience as below. I have a mobile application which is 90% finished by the previous developers that worked on it. It uses Docker, React Native, Typescript, Redis and MongoDB, developed using .net core and vs code. I can supply all the source code and I need someone with the necessary expertise to get it running locally, complete any...

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    Προεξέχον
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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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    9 προσφορές
    coinbase clone or digital currency exchange website 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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

    €650 (Avg Bid)
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    Senior React Native Developer 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 for twitter 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Chrome Extension tool to help users easy upload and dowload data

    €422 (Avg Bid)
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    Project mainly in React with long duration 6 μέρες left
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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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    User Interface Design for Point of Sale Application 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    We are looking for a ReactJS and React Native developer to join us in building interactive web apps and mobile apps for our clients. Must have at least one React Native project developed to show in portfolio. Please respond with resume / portfolio and availability!

    €151 (Avg Bid)
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    Building a mobile app with react-native 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    React Native Mobile App 6 μέρες left

    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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    MERN stack developer with Keycloak experience 6 μέρες left
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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".

    €184 (Avg Bid)
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    Squadflix (App) 6 μέρες left

    Nous cherchons un développeur mobile pour notre projet Squadflix : une application interactive qui permet de trouver rapidement un film à regarder à pluisieurs. A la manière de tinder, chacun swipe en même temps des films déja vus pour ensuite matcher sur un film que personne n'a vu. Nous avons actuellement réalisé des mockups (sketch)...

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    React Web and Mobile Apps for about within 10 screens 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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.

    €258 (Avg Bid)
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    React component is needed 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are looking for a person who can make react components very quickly.

    €5 / hr (Avg Bid)
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    React Native developer - 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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

    €36 (Avg Bid)
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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: //[&kappa...

    €860 (Avg Bid)
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    18 προσφορές
    React Native developer 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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

    €44 (Avg Bid)
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    Add Contacts information From mobile app (2) 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    Needed a senior React developer 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    React js Project from existing Structure 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    J'ai une application mobile écrite en React Native et qui a comme backend Woocomerce.([κάνε είσοδο για να δεις το URL]) Les fonctionnalités qui doivent être ajoutées sont: - intégré un API de payement([κάνε εί&...

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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) 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    Native PHP and Laravel EXPERT NEEDED 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Senior level PHP developers needed.

    €11 / hr (Avg Bid)
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    Revision for node.js arbitrage project 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 [κάνε ...

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    react developer 5 μέρες 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 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello, I need someone who can setup [κάνε είσοδο για να δεις το 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 budg...

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    Need react-native expert! 5 μέρες left

    Hello, I need a react native expert who can work on my existing project. You should know about react / react-native. For confirm you read description, please answer following questions. In realm, why dependency error for common-25.3.3? Thank you.

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    Looking for React.js Developers 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

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

    €133 (Avg Bid)
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    Looking for Ionic, Angular and React.js Developer 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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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    Fix errors on web site 5 μέρες left

    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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    Java & React.js Expert 5 μέρες left

    ***** 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.

    €2557 (Avg Bid)
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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 for progressive web application in react.js 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

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

    €411 (Avg Bid)
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    17 προσφορές
    React Guru Needed 5 μέρες left

    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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    What we do? We are a fast-growing enterprise software company looking for talented and motivated professionals to join our internationally growing team. We give salons the ability to manage all their business needs, from appointment booking, client records, sales, transactions, reports to employee schedules and information. Our hybrid platform is composed of a desktop component, allowing staff at...

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    AsyncStoreage para app reactnative 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need create a token valid method to my app with AsyncStorage based on react native

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    React Developer needed for Firebase Dashboard Application 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are looking for an experienced React developer with a minimum of 3 year experience in development of production ready React applications. The developer should have extensive experience working on Front-End Development with other Javascript frameworks (React, Angular, Vue.JS). The developer must have clear understanding and experience on how to develop Firebase Cloud functions. Requirements:...

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