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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    基于Scratch二次开发 3 days left
    已验证

    任务: 1、集成Arduino,实现正常的初始化、连接Arduino硬件,并且支持向Arduino上传代码; 2、UI调整; 以上第1步已经完成集成Arduino部分,初始化、连接存在BUG,需修复,上传代码功能待实现。

    $3035 (Avg Bid)
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    I need to implement animation in my website. it's really urgent work. I need to finish it asap. I will share doc in detail to right candidate. thanks.

    $180 / hr (Avg Bid)
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    Fix some issue. 6 days left
    已验证

    Hi. I have some issue in my project. I am looking for a senior web developer.

    $188 (Avg Bid)
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    Hi, we are looking for a full stack developer to join our team. your job will be to create a full web app for us and be a part of our growing team. You’ll be responsible for the whole programming together with us. we will do the ux design and everything else for you. you will receive a monthly salary. so please keep in mind THIS IS A FULL TIME JOB. NOT A FREELANCER JOB! ONLY APPLY IF YOU ...

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    Vuejs-Application-config 6 days left
    已验证

    urgent need a vue js / node js developer to config my app for css-loader Task : Config my Vue Cli App with SCSS preprocess to auto short or hash class name eg: example-class-name => afgj (as in Google pages)

    $1090 / hr (Avg Bid)
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    Urgent Requirement For a Mobile Developer in React Native enthusiastic person who have the mindset to learn and work on the futuristic technology on mobile development Qualification : Any enthusiastic freshers or college drop outs are also welcome project details Overseas project in React Native experience 1+ years of experience with HTML/CSS, including cross-browser compatibility and responsiv...

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    urgent need a vue js / node js developer to config my app for css-loader Task : Config my Vue Cli App with SCSS preprocess to auto short or hash class name eg: example-class-name => afgj (as in Google pages)

    $1176 / hr (Avg Bid)
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    The Serbian branch office of the UK based company in Novi Sad is looking for several quality Frontend (VueJS, React, Angular) & Backend Developers (PHP Laravel, NodeJS). Benefits: * Always interesting projects * Flexible working time * Creative environment * Young and highquality colleagues If you cover the latest technologies and you think that you can answer the demanding technical challe...

    $86 / hr (Avg Bid)
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    hi, I'm looking for ReactJS / CSS / ui/ux design to develop 1 component (API is ready, you just call API, get JSON and render) for an ongoing project. please check the attachment for details. Base CSS design are ready, just follow and make sure thing looks good and match with existing elements. some notes - ongoing project / base source code structure is ready, you just follow existing str...

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    - We want you to make the UI from the XD file that we give into a working react native project ( only the number 6 ) - Well structured project - I'll provide you the API you needed to complete the jobs

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    Looking for a senior web designer for a React based project who can help us in fixing styling issues and apply animations and interactions based on the design guidelines. Please suggest your hourly rate AND PROJECT TIMELINE in the top of your proposal. Summary - [login to view URL] Justplay TV is a video on demand platform that allows users to interact with objects in videos. For a short demo pl...

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    Contentful Developer 6 days left
    已验证

    Looking for a contentful developer for a headless cms project. Please respond to this only if you have experience with contentful and have examples to share on that tech stack

    $122 / hr (Avg Bid)
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    The objective is to create a secure mobile application (with its backend) that allows the exchange of end-to-end encrypted voice, video and text messages among subscribed client devices. all users must be pre-authorized by an administrator. The admin panel is the page where the administrator can create “Client Circles” and link multiple devices to each circle separately. For example ...

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    I need an experienced website developer who can design a marketplace for Crypto-Currency, trading, buy and sell and few more sophisticated functionalities.

    $173 / hr (Avg Bid)
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    I want to build an application that has a timeline functionality with posts by users. In no less than 500 characters, please describe your past experiences and how they will help you deliver this project. In no less than 500 characters, please share how you think the communication will happen between us, what are the platforms we will use to communicate and monitor our progress, and how we are ...

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    I want a simple prototype app that will accept push notifications from server, using PushKit, and display notifications like a phonecall or voip notifications so it asks the user to accept or deny. But, we are not actually building a voip app just want the notifications to function like that. if user clicks deny on notification, then the app should just ignore the notification. if user clicks a...

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    Hello freelancers, Our company looking for best team to work upon our some critical project. Technical skills: 1) ReactNative 2) IONIC 3) Angular 4) .Net 5) NodeJs 6) GIT 7) SCrum/Agile We will interview the team and decide after. Thanks

    $122 / hr (Avg Bid)
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    I have some designs and need to build SPA with one of the well-known JavaScript frameworks such as React, Angular or Vue. All the pages should be responsive for all the devices and perfectly matched to the designs. If this job goes well, there are many opportunities to continue work on this project. ONLY BID EUROPEAN OR AMERICAN, NOT INDIAN, FAKE ACCOUNTS. In the process of hire, we need to have...

    $157 / hr (Avg Bid)
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    I am looking for a SharePoint provider hosted addin that is built using React and Office-UI-Fabric, I need it to have SSO for users so they have a seemless experiance, i want it to show the user name in the top right, a logo in the top left, the tenant they come from in the top middle, a settings button that takes the user to a personal settings page where they can configure personal informati...

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    Need developer to build a web application saas. Different login access. One super admin to create new customers account and customers able to create employee accounts with privileges. Sync to 3rd party database using rest api. Need analytical functions implemented with data. React or angular.

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    Build a recharge and bus booking website using Node.js, [login to view URL], React.js and laravel. Time line is 7 days. Budget is 12500/- INR. only interested persons alone bid. cannot increase budget. this cost also includes admin panel.

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    The objective is to create a secure mobile application (with its backend) that allows the exchange of end-to-end encrypted voice, video and text messages among subscribed client devices. all users must be pre-authorized by an administrator. The admin panel is the page where the administrator can create “Client Circles” and link multiple devices to each circle separately. For example ...

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    React Native App Developer 5 days left
    已验证

    We are looking for a freelance developer experience in react native to work with my development team in Manila on building an app. Time frame is for the next 2-8 weeks.

    $71 / hr (Avg Bid)
    本地
    $71 / hr 平均报价
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    Please read full documentation + screenshots [login to view URL] ------------------------------- Overview Current project based on Original project: [login to view URL] ------------------------------- 1. We need to Change the current logic how wallets opened 2. Token logo fix

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    Looking for a Blockchain expert 6 days left
    已验证

    I am looking for blockchain expert or team who has expertise in real asset based cryptocurrency. Requirements>> 1. Strong knowledge of tokenizing 2. Good understanding of real estate ecosystem

    $306 / hr (Avg Bid)
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    Looking for ReactJS developer who can work on part time 2~3 hours per day

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    I need some changes to an existing website. I need you to design and build a website for my small business.

    $204 (Avg Bid)
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    New 3D Game Project 5 days left
    已验证

    New Game Required Skills needed Game Development, Unity3D, React NAtive, IONIC & NODE JS

    $2384 (Avg Bid)
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    16 竞标

    I need experience React Native developer who can build the GRAPH like Coincap (shown at attachment), or yo have other solution please suggest to me 1. You must have experience on related graph development 2. If yes, please show me your demo 3. download Coincap app, and try on the graph, when u move the graph with finger, the value like price and time will show corresponding 4. or u found any suit...

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    We need React JS and Redux developer to provide job support. It's a long-term job support you need to give every month we pay 20000/-. Job support means I am busy with my personal works and you need to complete my office tasks. I will share the TeamViewer regularly you need to connect through it and complete the tasks. There won't be more tasks monthly.

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    We are looking for React Js developers who can work on our existing project. The job is long term. Please apply if you can work with 5$ per hour.

    $39 / hr (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.

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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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    Please Read Entire Job post before bidding, Your team must deliver the project by September 30th Fixed budget project Do not contact me bids exceeding the fixed budget limit . Build a hybrid React Native App android / iphone and client management portal in PHP there should be chat booking using calendar and time slot real time user locating and search and categories and gps star rating in ...

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    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...

    $243 / hr (Avg Bid)
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    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.

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    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.

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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

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

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    Please Read Entire Job post before bidding, Your team must deliver the project by September 30th Fixed budget project Do not contact me bids exceeding the fixed budget limit . Build a hybrid React Native App android / iphone and client management portal in PHP there should be chat booking using calendar and time slot real time user locating and search and categories and gps star rating in ...

    $3981 (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

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    build a hybrid app android / iphone and client management portal in PHP there should be chat booking using calendar and time slot real time user locating and search the client management portal must be done in php and the content should flow from there to app side. we have a existing android app you have to re build the app in react native or ionic and have cross platform build. there are s...

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    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]

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    Asegurar365.com 5 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]

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    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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    It allows users to manage their income, expenses and savings. It will have push notifications. it will have charts to compare expenses and savings. no payment processor. around 15 screens for app and 6 for web. need backend as well. Maximum budget is 150$

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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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