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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    102 jobs found, pricing in USD
    RPC stage 2 6 days left
    VERIFIED

    I need some one help to make the pass the test cases mostly as you can will keep giving you infos

    $150 (Avg Bid)
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    1 bids

    Background: ASVSEE is an online store/platform to help the customers to trust the e-world more. It can help both the buyers and sellers to have easy transactions and sales online. [login to view URL] Proposed Technology Stack: Spring Hibernate React JS User Pages required: Landing page with category highlights and deals Account Page Create Account Page Login page My information Page - Add/Update/...

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    I am looking for someone to create a simple mailbox project base using React and Azure App Authentication, based on these links: [login to view URL] - Microsoft Graph API registration [login to view URL] - Microsoft tutorial [login to view URL] - CodePen of a mailbox Must resemble or match the codepen example while showing mails of authenticated user. Authentication must take place as shown in t...

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    Looking for Chrome/Firefox extension developer who has experience in React.js. Need to integrate some APIs to the project. Please, apply if you are an expert in this field. Thanks

    $230 (Avg Bid)
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    Work on a web application as a full-stack software engineer. The technology stack is React, Node/Express, and Postgres. It uses the Ethereum blockchain, but that part has already been written for the most part. Ability to design well is a plus. At some point, we'll need to write it in React Native too. But building the web app is the first priority.

    $13 / hr (Avg Bid)
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    25 bids

    Work on a web application as a full-stack software engineer. The technology stack is React, Node/Express, and Postgres. It uses the Ethereum blockchain, but that part has already been written for the most part. Ability to design well is a plus. At some point, we'll need to write it in React Native too. But building the web app is the first priority.

    $23 / hr (Avg Bid)
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    Hi Everybody I am looking for an expert of React/Redux for an academic-related project. The project is open-source. We've previously created the application Guesstimate ([login to view URL]) and am now using similar ideas for a new app. This could be a great opportunity to do interesting workaround React and functional programming. If you don't yet know much ReasonML but are willing to ...

    $2389 (Avg Bid)
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    Zuerst-UI-2019 6 days left
    VERIFIED

    I have a website which is developed in React JS. The site has some ui issues. I want some one who can fix the UI issues. Some one with excellent react JS, HTML 5 , CSS, Typescript and Response UI skills. Restful backend is already available. I will share mock and site details once I am satisfied with skills. Please reply only if you have required skills.

    $22 / hr (Avg Bid)
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    26 bids

    i m looking for full stack java-script engineer who have knowledge in block-chain React.js , node.js, json , apis and Linux system and git-hub skills.

    $10 / hr (Avg Bid)
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    9 bids

    I need you to develop a werbsite for my business. I need a sleek & eye catching design. It must have the facility to update the website through an admin panel. I need this to be done as soon as possible.

    $176 (Avg Bid)
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    60 bids

    I am working on a social media project, but I don't have much free time so I am looking to hire a freelancer/group to create a basic boilerplate that I can use as a starting point. The front end of the project should use the following repository (unless you can build something similar for a decent price): [login to view URL] For the front end, I will need two themes (light and dark). For th...

    $505 (Avg Bid)
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    Website Update 6 days left
    VERIFIED

    My small business has been working on updating our website. We have a website that we are building and we just need a few tweaks to be done to it in order to have it ready to publish. We need a team that can simply implement these updates and from there we should be ready to launch. Here is a link to the PDF with the official description of the project: [login to view URL] Please read the des...

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    19 bids

    We need a highly experienced React.js developer that can help us fix some issues with our react site. Thanks!

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    Our company does cosmetic sales. I want to make our company website scalable and extensible. Very talented full-stack developer needed. Our website was built in RoR + React. Al. C.

    $36 / hr (Avg Bid)
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    45 bids
    Gatsby.js Expert Wanted 6 days left
    VERIFIED

    We are looking for a [login to view URL] expert to take the html, CSS, js we have (or react-app) and implement it in Gatsby.js. The PWA score needs to be 100% so the html, css, js might need some cleaning. We have 10 pages and we will pay 30$ / page. Thank you! Do not bid if you can not do this in the budget or if you are not a [login to view URL] expert.

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    TL;DR: Have you already heard about Pocket, Instapaper, Pinboard, Diigo, Raindrop, Evernote, One Note and similar knowledge management apps? Read on if you'd like to be part of an exciting adventure to build an Enterprise grade app which can change the way people store and organize their online knowledge. Plans about Open Sourcing the app are currently under discussion. ----- I'm looki...

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    Hi I have source code and android app working well I need to convert in iOS app Thanks

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    10 bids

    Hello, i am looking for a worldwide social community job board including all visa oppertunities for people who want to live and work abroad in another country. Reference Websites: - Linkedin/Facebook - [login to view URL] - [login to view URL] It should be a mix of these three reference websites. A feature list should be written by your team. Complete feature list document should be delivered...

    $4244 (Avg Bid)
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    UI Modification 6 days left

    I need a person who is expert in redesigning UI for react we application. Should be at Thrissur, Kerala, India Should be able to work at our office in Infopark Thrissur.

    $15 / hr (Avg Bid)
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    Currently, We have an app built on Electron for Kiosk Machine. But the experience is not good on OS built-in screen keyboard (virtual keyboard). We need the app to be migrated to React Native to leveraging good experience of keyboard(Chinese, Zhuyin, bopomofo) of mobile environment. We already have all features implemented in React + NodeJS and wrapped in Electron. We are using Firebase as backe...

    $608 (Avg Bid)
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    Social Media Post Repeater 6 days left
    VERIFIED

    Hi I need a web app built on react that able to repeat posts.

    $21 (Avg Bid)
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    5 bids

    TL;DR: Have you already heard about Pocket, Instapaper, Pinboard, Diigo, Raindrop, Evernote, One Note and similar knowledge management apps? Read on if you'd like to be part of an exciting adventure to build an Enterprise grade app which can change the way people store and organize their online knowledge. Plans about Open Sourcing the app are currently under discussion. ----- I'm looki...

    $624 (Avg Bid)
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    31 bids

    Need a full-stack developer with experience in javascript node.js and react.js to create a website and an application.

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    26 bids

    Dear Friends, I am looking for a skilled person to integrate the Google photo API in our mobile application. we used below technology to build our mobile application - React - React Native - No SQL - Google Firebase platform So looking for the free lancer who can help us to integrate the google photo api into our mobile application.

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    1 bids

    Read the software requirement document carefully and contact me through pm if you are qualified and ready. Dont contact if you havent gone through it.

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    23 bids

    I need a CryptoCurrency software in the BINANCE style. I want the software to be written with REACT but If you have a software language that you suggest, feel free to say it. I have a 30-page design. Web + Mobile application will be made. 30-60 days

    $6427 (Avg Bid)
    Featured NDA
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    67 bids

    In need of an Electron / React full-stack expert to refactor parts of an existing solution. Please only apply if you objectively have a lot of experience with this toolset.

    $21 / hr (Avg Bid)
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    44 bids

    Looking for web developer who has experience with Django backend and react frontent with Postgres db. Also experience with AWS. Will be desiging a frontend crm of sorts with a few features. The data will come from another app via API.

    $3909 (Avg Bid)
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    Contact me for more info. Lets discuss on my requirements. Its a startup.

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    35 bids

    Hello Freelancers! We're creating a web application (and mobile app) for Home / Commercial services providers. We are creating an one-in-all tool to help them to manage their entire business based on our software. This includes: Employees management (Schedule + Dispatch), Accounting, Customers database, Leads management and etc. We need a complete responsive and functional website, web app a...

    $5424 (Avg Bid)
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    99 bids

    We require an app that allows to load spreadsheets and transform this data into a customized Google Map, a use case could be that we need to know which areas match with certain criteria such as age, road accessibility, Medical Services, Criminal rate, etc and these criteria must be filterable. A back office with login, the first page should be the map then we can start searching by one or more cr...

    $518 (Avg Bid)
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    42 bids

    need developer to finish off where last developer walked out on an assignment that is 70 % complete. The app is a project management tool. Further details will be discussed in chat

    $1183 (Avg Bid)
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    67 bids

    i m looking for full stack java-script engineer. you need to work on client side and well server side and apis. only individual needed.

    $13 / hr (Avg Bid)
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    43 bids

    I want very talented and genuine web developer and designer. In this project, I will use React for frontend, Ruby on Rails for backend. I want to finish this project in a month. After delivery, further maintenance needed. Regards.

    $35 / hr (Avg Bid)
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    73 bids

    DEVELOP ECOMMERCE SITE USING MongoDB, [login to view URL], React, Node.js

    $193 (Avg Bid)
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    37 bids

    Hi, We are looking for expert UI/Frontend developers who can pickup good designs/themes/admin templates from themeforest, modify the code as per the requirement and integrate all the backend apis. All backend apis such as authentication apis, payment gateway apis ets is ready. Only the entire frontend development work is required, all relevant backend apis will be provided. If you are good at MERN...

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    7 bids

    I'm looking for Ready Application for B2B with Admin Panel Please check UI for reference. Short of time and budget for new application.

    $86 (Avg Bid)
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    1 bids
    Job Board (Website/Apps) 5 days left
    VERIFIED

    Hello, i am looking for a worldwide visa job board, starting with USA and Australia. Later we´ll improve with other countries step by step. Kindly have a look to this reference website. They are doing it much similar but they are only doing it for USA. You need to register and analyse in deep their page, because of the Visa calculation. [login to view URL] - Different Membership plans f...

    $2697 (Avg Bid)
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    103 bids

    TL;DR: Have you already heard about Pocket, Instapaper, Pinboard, Diigo, Raindrop, Evernote, One Note and similar knowledge management apps? Read on if you'd like to be part of an exciting adventure to build an Enterprise grade app which can change the way people store and organize their online knowledge. Plans about Open Sourcing the app are currently under discussion. ----- I'm looki...

    $579 (Avg Bid)
    $579 Avg Bid
    41 bids

    My goal is to fix react-native (w/ redux and redux-saga) and AWS amplify (Cognito & app sync) by creating a prototype app, I am looking for a developer who can help me, ensure I stick to best practices and help me troubleshoot issues as they arise. What I am looking for now is 1. Proper Organization 2. Getting Cognito to work properly -- struggling w/ getting logout to work 3. Getting reacti...

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    9 bids

    An e-commerce website which is gonna sell apparels.

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    Our company is looking for an experienced Laravel developer who is very familiar with many sorts of risks and issues. You should also have experience in UI/UX design and HTML, javascript frameworks. Django / Python is plus. I love to work on a fixed priced job. Only female developers are preferred Thanks Oscar

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    Hello, this is a very simple website update. I can provide SFTP and Gitlab login details. Needs to be completed by Thursday April 18th 10am EST. These are the required updates: Homepage: - Change an image to another image (I will provide the new image) - Change “Coming Soon to Malvern” wording to “Como Offices Coming Soon” - Disable the “Read more” link Que...

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    I need someone to assist me for 2 months in accomplishing tasks on day to day basis

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    I want help with personal project using react and redux.

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    Full Stack Web Developer for Video Processing Website Development Description We’re looking for an experienced full-stack developer to help re-build an exciting childcare profile management website. The first version is based on Django+backbone.js, but we want to re-build it with Django + react.js and add more features. The right developer will have experience in the following: Re-Design a...

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    Looking for an experienced MERN stack developer to help complete and improve our marketing tracker system. Experience with the following API’s (currently in use in our app) is highly recommended: - Auth0 (login/user management) - Twilio (call tracking and routing) - WhitePages (reverse phone lookup) - Chargify (recurring payments) In your application, please mention any of the APIs above t...

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    I am looking for a developer that is well versed in web design. I would need a desktop and mobile version. Someone willing to work very close with me and have discussions based on what I am looking for is important to me. I have reference websites that I would like to base my design off of but I am more than willing to discuss any options you feel that are applicable. It will be used for marketing...

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    1. we have a nod_module : sharetribe-flex-sdk and we want it to be in src so we can modify it 2. we want to add a new back-end connection and it works when we do the query 3. we want to add a new query and use it from the react app guerizen

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    Hi there, I'm the CEO of a fast growth media company and we're trying to make the transition to become a tech company in the food space. We finished preparing detailed specs and high fidelity product mockups and are now looking for a Javascript developer to help us bring our project to life. Our internal APIs are still a work in progress, so your work is going to be: * Working on a Ne...

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