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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    Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Flux or Redux) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., [prijavite se za ogled URL]) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token ...

    €6 / hr (Avg Bid)
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    Need a developer versed with the technologies listed in the title, from most important to least important (left to right). Will be given various tasks related to building our own NPM library & software. - Apollo/GraphQL: query, mutation, building graphql tree with variables - Typescript: interface, union/intersection types - React: hooks, function components, context, HOC - Git: rebase/merge...

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    we already have a codebase developed in React.js and Typescript, looking for someone who can continue that work.

    €12 / hr (Avg Bid)
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    WooCommerce Plugin Developer 6 dni left
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    **************** PLEASE BID ONLY IF YOU HAVE POINT OF SALE EXPERTISE ************************* Hi, Looking for an expert developer on WooCommerce who can build Product batch plugin for Pharmacy/Food Products. 1. Manufacturing & expiry date can be maintained. 2. Batch should be unique. 3. based on new expiry new batch of product should be created. 4. While selection of product at the time of ...

    €709 (Avg Bid)
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    just need some forms in react js 6 dni left
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    we just need four forms in react js only for developers no resellers and vendors please

    €57 (Avg Bid)
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    Hello, We are looking for developer with experience in React and ReactNative along with Node.js for creating an online booking application. Scope: Booking & Recharge System Integration Admin (Back end panel) - User Management - Agent Management Service Management - travel booking & recharge - Booking Management - Payment (Transaction) Management - refund and cancellation ,successf...

    €14 (Avg Bid)
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    I have a website built with react and it's working fine with most of the browsers but not ie11. I need someone who can fix this asap. Thank you.

    €123 (Avg Bid)
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    Need the following added to a reactjs application: - Add link to case file on dashboard table - Show how many casefiles are in the database - Add commenting to casefiles - Show name of current admin on the header - Add date input to "Create" - Add google maps to address of case file - Show # of children, and comments on the table I want to hire 2 freelancers today and finish this projec...

    €352 (Avg Bid)
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    I want an experienced frond-end developer to develop my web app in a very attractive. I prefer a developer having strong React experience. I uploaded a simple landing page. However, expect more content in addition to another part named "the customer portal" and integration with backend applications/APIs. This webapp is to be hosted in a cloud environment (AWS or Azure), and I have the...

    €5 / hr (Avg Bid)
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    1) Simple webapp for user login/signup. A user can have 3 roles(admin, user, client). If the user has more than one type of role, then you should ask to disambiguate. You need to use AWS cognito for this(I am okay if you are willing to learn). The redirection happens based on the role of the logged in user. You can create dummy webapps for redirections. 2) The webapps are to be developed in react ...

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    1) You have to use AWS Cognito to develop a simple webapp for user login/signup. If the user has more than one type of role, then you should ask to disambiguate. It can use already provided social logins(like google, facebook, etc). 2) There are three roles(admin, user, client). The redirection happens based on the role of the logged in user. You can create dummy webapps for redirections. 3) The ...

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    Vue.js development 6 dni left
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    I am looking for my skillful developer who is expert in vue/react/angular.js development. I like honest and passionate person. hope good bids.

    €158 (Avg Bid)
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    I need a new website. I need you to design and build it.

    €24 / hr (Avg Bid)
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    We are building holiday discovery portal. We need someone who is an experienced in Django, Angular.js, React.js. This is on-going remote work with the opportunity for lots of growth. - Must have experience in building websites on Django/ Python. - Must have Good understanding of UI/UX. -Must be detail-oriented -Must have good time management - Must speak English / Hindi fluently

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    We are looking for react developer for website front end development. The job will last for roughly 6 weeks and up to 10 hours a day. Candidate will be required to submit sample of their code and reference of work. If the candidate performs well there is a high possibility for permanent work.

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    We are looking for a freelancer to work on a fixed-price, max 3-week project for an online job marketplace. The first functional version of the product already exists and this project is an upgrade of the current software. The project will focus on the integration of already existing components into a profile search tool. At the same time, this is also the main objective of the engagement. There ...

    €568 (Avg Bid)
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    Hello, I need a system with the same functionality as this model of the link, it does not have to be the same, if you have a similar model I would like to see and then discuss prices. [prijavite se za ogled URL] Thanks

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    First a sample task and then a project for you

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    I am in search of an Awesome CTO for my A.I & Blockchain based medical tech startup with HQ in Australia and subsidiaries in Pakistan, India, Hongkong, China, Indonesia, Malaysia, Japan, and Singapore Expected skill React Native,Java script ,nodejs,angular,php,mysql,mangodb,git,grunt,base camp,jira,trello Must have good knowledge of NODEJS.,React or Angular {Important} .To be selected you ...

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    FULLSTACK DEVELOPER 5 dni left
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    I need a react developer with knowledge of Django to quickly integrate 5 pages (I will give you sketch file) into my current react website. you will integrate API end points (I will give you API doc and postman) Must have knowledge of React and Django Experience with React Native is Plus. budget: $50.00 ($10/page) bid only if you work on weekend

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    Hello Everyone, We are looking to hire experienced developer who has extensive skills and experience in Python(Django) and React for our web system. There are many tickets to update/fix the current website so want to hire full time and skillful developer. We will move forward based on milestone per task. Thank you.

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    React Developer 5 dni left
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    I need a react developer to quickly integrate 5 pages (I will give you sketch file) into my current react website. you will integrate API end points (I will give you API doc and postman) budget: $50.00 ($10/page) bid only if you work on weekend

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    I have a website which runs on Django, GraphQL and ReactJS. It needs improvements, etc. The work will be done through Teamviewer through remote login. The website is hosted on AWS.

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    Nodejs + react JS +PWA 5 dni left
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    Hi I am looking for a developer with chatbot experience using nodejs. We would like to know how are you building it. We are open to use [prijavite se za ogled URL], Do you have better opensource apis. Thanks!

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    I would like a website like the template below, with the same features, does not have to be the same ... If you already have a model I would like to test it and then we will discuss prices ... [prijavite se za ogled URL] Thanks

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    Hi we need a CryptoCurrency & Blockchain Developer for our company work there two phases of this project first we will do simple phase 1 then move to phase 2

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    django app dev 5 dni left
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    DJango market place for a product:

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    Pogodba o nerazkritju informacij
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    Payments Component 5 dni left
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    Summary We need a way to smoothly integrate the ability to take payments via Magnetic Strip and EMV Chip cards into a React/Redux app. Our preference would be an npm package that provides a component, but we are open to all ideas. We will host any infrastructure, and so will need both the code, and configuration instructions for any cloud functions, endpoints, servers, etc. User Stories As a u...

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    I have project already built and I want to rewrite it from scratch to improve it by implement Artificial Intelligence (AI) and improve all features in the project. The project is not hard. the idea is very easy and basic but it needs a lot of logic to make it works correctly. Also , I need very talent developer that knows how to deal with Twitter API. Must have knowledge in OpenCV too. Most of th...

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    I am looking for the better skill with React.js, Node, Express MSSQL - DB. with referral and with the integration of following affiliates 1. Commission affiliates 2. Amazon affiliates 3. Flipkart affiliates

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    I am looking for Android app developer individual only who can start work immediately. App is live on play store and I need some modifications in my app. App design(customer app) 1-send push notification with image to all members driver and order tracking app(admin panel) (Normal system has a push notification but only current send current merchant and assign driver. But our customer wants to se...

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    Seeking an experienced, passionate, and motivated full stack web developer who can jump in and take ownership of our challenging NodeJS, VueJS, React and Angular projects. Our web products interact deeply with RESTful API backends, so knowledge of web application architectures and technologies is a plus. Primary Responsibilities Drive the engineering and development of our web projects Ownership ...

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    I am looking for full stack developer. this project is long term project

    €165 (Avg Bid)
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    Nodejs chatbot + machine learning 4 dni left
    VERIFICIRAN/A

    Hi I am looking for a developer with chatbot experience using nodejs. We would like to know how are you building it. We are open to use [prijavite se za ogled URL], Do you have better opensource apis. Thanks!

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    I need a new admin dashboard. I need you to design and build it. refer this link for better understanding of requirement [prijavite se za ogled URL]

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    I am looking to purchase/develop web push notification application like OneSignal. I want to launch it as a SaaS application. If you have already built the application and have the source code, I can also make the purchase of the entire code base.

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    I am looking someone who integrate react.js and asp.net core. front-end is already complete in react.js. back-end is already complete in asp.net core. only integration.

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    Embedded Exciting React Js Chat App in my Exciting Laravel Project Via my Pc.

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    Edit website code 4 dni left
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    Hi, We are looking to for someone able to adapt the code from an old website to a new website, all code it is ready to use and we need to adjusted and maybe improve some parts. it is codec in react.js contact me to check the code and see if you are able to do it. Please only answer if you have read the post previously and respond with "react" in the heading of your answer. Thanks

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    PHP Developer for Ongoing Project 4 dni left
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    Hi All...new to the group. Have an opportunity. Independent freelancers only and U.S. based highly preferred. We are looking for a skilled full stack web developer who is well-versed in Wordpress, React and Laravel. The ideal candidate has experience in building web applications from scratch. The position also requires some server maintenance and bug fixes for a Wordpress site. We use git to v...

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    Hello, I have a project written in React, I cannot build it since there are some errors to clear, Anyone​ who is proficient in react could be helpful.

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    ReactJS addition 4 dni left
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    Add a php project to my react web site

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    Need a reactnative developer to continue where previous developer could not complete. App must be cross platform and read NDEF information on NFC tags. Please do not contact me if you are not familiar with Core NFC for iPhone

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    Modifications to a news display section of a ongoing portal

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    We have an in house admin site for our product that uses firebase to display information.

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    The website should include modern features of E-commerce. The project include both website & mobile app.

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    I'm looking for React Native Web & Mobile Developer for my Quiz Application. I need to build app pages with RN for my Quiz Web & iOS App. I'll provide PSD for it. Detailed requirements will be provided while interviewing. Happy bidding.

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    React.JS and Mapbox API 4 dni left
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    Hi I am looking to implement the Mapbox SDK in my React.JS web app. I need to create three different radius rings around a specific area and serve these radius' points to my backend

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    We are looking forward to working with a talented front end developer with experience using Gatsby. The website uses AWS Amplify, Gatsby, and Prismatic (for headless CMS). We are building a website that includes: a blog, user sign-in/sign-up, paid access to parts of the website, etc. The website is up and standing right now in the very basic form. AWS Amplify experience is not required although...

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    Developer required to provide reports on our github repos. Our parent company recently made multiple acquisitions and we now have multiple teams using github cloud and would like to better understand our org projects. Solution requirements: *All source code to be provided *Use nodejs & typescript for the server *Use react or vue for the client *Use passport/jwt for authentication *Provide 2 u...

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