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.

Assumi React.js Developers

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    Hello I need full-stack web-developer. You have to do this job in one day. And my budget is $40. If you are really full-stack developer,and agree with my budget, please bid here. Thank you.

    €26 (Avg Bid)
    €26 Offerta Media
    8 offerte

    Looking for a Social Media Management Specialist who has experience in creating posts on Instagram & Facebook with growth strategy. Regularly update pages with images & content. Promote services & manage several ( 3 )pages. Ability to show growth organically. Must be experienced with proven record/examples. Fixed amount per month - negotiable. Only bid if you’ve experienced. ...

    €3729 (Avg Bid)
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    8 offerte
    Build a simple webpage / site 6 giorni left
    VERIFICATO

    Design a web page similar in structure to the Adobe Acrobat Reader’s view mode with the sidebar displaying document outline and content in the center. The sidebar should provide a expandable navigation feature which lets the document / main content to be organized with sections and subsections. If internal links are used to navigate to a different part of the document, the sidebar display sh...

    €34 (Avg Bid)
    €34 Offerta Media
    7 offerte

    Full time Reactjs developer needed. Must be available 30+ hours per week. Salary same as your local salary. Must have experience with Redux, Sigma and creating pixel-perfect pages. Starting salary $600-1000 per month South American PREFERRED

    €1000 (Avg Bid)
    €1000 Offerta Media
    10 offerte

    this is a simple project to test you before you get invited to the Team, once you have this task done successfully we will send you bigger projects

    €18 (Avg Bid)
    €18 Offerta Media
    7 offerte

    This is ongoing task. I want Python, React expert ASAP.

    €18 / hr (Avg Bid)
    €18 / hr Offerta Media
    23 offerte

    Se busca un desarrollador que tenga conocimiento en esas 3 tecnologías para realizar unas tareas puntuales para un proyecto en curso. El mismo deberá tener disponibilidad para comenzar ya con las tareas pues tienen fechas establecidas que se deben cumplir. Se solicita dos presupuestos. Por favor, para más información ponerse en contacto conmigo, comenzando la oraci&oac...

    €473 (Avg Bid)
    €473 Offerta Media
    13 offerte
    Build a simple webpage / site 6 giorni left
    VERIFICATO

    Design a web page similar in structure to the Adobe Acrobat Reader’s view mode with the sidebar displaying document outline and content in the center. The sidebar should provide a expandable navigation feature which lets the document / main content to be organized with sections and subsections. If internal links are used to navigate to a different part of the document, the sidebar display sh...

    €185 (Avg Bid)
    €185 Offerta Media
    36 offerte

    This website will have: - Game (game + relevant Admin Panel data + provably fair) - Deposit and withdraw (Bitcoin + Welcome Bonus) - Affiliates (Invite users for % of commission with affiliate code/link) - Level up (levels up the user and users receive rewards) - Chat (including moderators) - etc Message me for more information including document with the features + requirements, images and desi...

    €1823 (Avg Bid)
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    19 offerte

    Hello. Thanks for reaching out! I am looking for a React developer from USA who can collaborate with me to handle 10K budget of project monthly. I am having a big dream and great idea for collaboration. Mandotary: USA located now.

    €12459 (Avg Bid)
    €12459 Offerta Media
    17 offerte
    Implement react app - 6 giorni left
    VERIFICATO

    hi, I want to implement something similar to the [accedi per visualizzare l'URL] The site will be implemented using react. Also integrate gateway. Begin you bid with message "be hold! focus ". Regards Farzam

    €377 (Avg Bid)
    €377 Offerta Media
    16 offerte

    Add content and relevant pictures to my template and give me the rendered pages for my website color code and template would be provided template is in [accedi per visualizzare l'URL]

    €17 (Avg Bid)
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    10 offerte

    we have a WordPress theme needed to be transformed into Single Page Application SPA using REACT. The page will use API to fetch data

    €536 (Avg Bid)
    €536 Offerta Media
    23 offerte

    I need a new website. I need you to design and build it.

    €12 (Avg Bid)
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    8 offerte

    user registration and login pdf generation enabling RBAC api msg91 existing api laravel pdf to be saved using react-pdf invoice and enquiry pdf to be saved using vue-pdf then it will be emailed with url restrictions etc. *************** time waster stay away ***************** **************** not for local candidate eg. PAKISTAN INDIA BANGLADESH NIGERIA CHINA******************** this i...

    €8 (Avg Bid)
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    2 offerte
    Keywaf - Website 6 giorni left

    1) Automated replies will be ignored 2) Those who do not provide an portfolio will be ignored

    €3419 (Avg Bid)
    €3419 Offerta Media
    36 offerte
    ONLINE TEACHER NEEDS DEVELOPER 6 giorni left
    VERIFICATO

    I NEED A DEVELOPER TO CONTINUE DEVELOPING A VIRTUAL CLASSROOM DEVELOPED IN REACT USING NODE JS, WEB SOCKETS, POSTGRES SQL, WEB RTC, PAPER JS, AND HTML5. THE DEVELOPER MUST LIVE IN AMERICA (SOUTH AMERICA, CENTRAL, OR NORTH AMERICA ) I PREFER NO AGENCIES OR COMPANIES; AN INDIVIDUAL IS REQUIRED... (GOOD ENGLISH OR SPANISH)... I DO NOT PAY BY THE HOUR( NEVER), I PAY BY TASK... IT IS NOT A BIG BUDGET ...

    €17 (Avg Bid)
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    5 offerte

    Разработка интернет-платформы для взаимодействия заказчиков (работодателей) и исполнителей (фрилансеров) в сфере строительного проектирования: - разработка Фронтенд и Бэкенд; - верстка страниц для десктопов и мобильных устройств; - тестирование; - срок разработки от 1 до 3 месяцев. Требования: - успешный опыт разработки нестандартных веб-сайтов (с возможностью получения рекомендаций от прежних за...

    €6519 (Avg Bid)
    €6519 Offerta Media
    8 offerte

    "To convert a mobile app into web app" Source code for Mobile app for Both IoS and Apk is available. Need to convert the code into Reactjs single webpage application.

    €116 (Avg Bid)
    €116 Offerta Media
    7 offerte

    Project Basic Details Hi, this is Pratap, from Guntur, AP. I am looking to develop a system for my restaurant’s back of house. I am currently working with a POS system which will take care of the sales part. It has its own API which will be given by the POS vendor company to us. So leaving the pos part of the restaurant, we need to develop below modules for our back of house. Restaurant Man...

    €1496 (Avg Bid)
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    33 offerte
    user registration -- and login 6 giorni left
    VERIFICATO

    user registration and login pdf generation enabling RBAC api msg91 existing api laravel pdf to be saved using react-pdf invoice and enquiry pdf to be saved using vue-pdf then it will be emailed with url restrictions etc. *************** time waster stay away ***************** **************** not for local candidate eg. PAKISTAN INDIA BANGLADESH NIGERIA CHINA******************** this i...

    €10 (Avg Bid)
    €10 Offerta Media
    3 offerte
    React Native Expert 6 giorni left
    VERIFICATO

    i have taxi app developed in react native. I have to fix some issues in the source code .. the issues are simple. I will share source code as well Thanks

    €145 (Avg Bid)
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    19 offerte
    Ruby, Docker Expert 6 giorni left

    My project is StreetEasy! We have the existing code base on git. backend: ruby frontend: react We are going to add some features such as replacing the existing SendWithUs templates with Iterable templates. Docker, Git: Required! Lets discuss on chat!

    €993 (Avg Bid)
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    16 offerte

    I have design and I need someone to finish conversion in 3 hours. It is urgent.

    €108 (Avg Bid)
    €108 Offerta Media
    9 offerte

    Hey, I need little help with ReactJS webapp for small changes

    €20 (Avg Bid)
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    11 offerte

    We are going to re-design the existing web application to improve current functionalities for better user interaction. This application will be targeted at Northeast Asian countries. We have an in-house web design/front-end dev team though still need talented outsourcing full-stack developer to collaborate with us. Our budget is $2,500 for 2 to 3 month. If you are interested in, please drop me a m...

    €1380 (Avg Bid)
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    43 offerte

    - Add a notification feed screen to the frontend - Give the notification model a `notification_type` that has two types - WELCOME and ALERT - Generate a `WELCOME` notification whenever a user signs up - Generate a `ALERT` notification whenever a user logs in - Retrieve this notification feed from the backend and populate the page - Give your notification feed a unique but basic style

    €30 (Avg Bid)
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    12 offerte

    - Add a notification feed screen to the frontend - Give the notification model a `notification_type` that has two types - WELCOME and ALERT - Generate a `WELCOME` notification whenever a user signs up - Generate a `ALERT` notification whenever a user logs in - Retrieve this notification feed from the backend and populate the page - Give your notification feed a unique but basic style

    €18 (Avg Bid)
    €18 Offerta Media
    2 offerte

    Full time Reactjs developer needed. Must be available 30+ hours per week. Salary same as your local salary. Must have experience with Redux, Sigma and creating pixel-perfect pages. Starting salary $600-1000 per month

    €599 (Avg Bid)
    €599 Offerta Media
    15 offerte

    Node JS React GraphQL AWS Ищу русскоговорящего разработчика для выполнения различных задач.

    €12 / hr (Avg Bid)
    €12 / hr Offerta Media
    8 offerte
    get rid of error in react - error 5 giorni left
    VERIFICATO

    - pls only bid if en skills are good - frontend: react - backend: php, laravel

    €427 (Avg Bid)
    €427 Offerta Media
    27 offerte

    I am looking for React.js ninja to complete my project. I will discuss the details with the candidate.

    €1565 (Avg Bid)
    €1565 Offerta Media
    32 offerte

    Scope: Create a web app to upload documents (pdf & doc) assign them tag, email alerts and display some charts about it . Features: User can 1. upload a document (.doc, .odt, .pdf) 2. add & edit metadata attached to the document 3. add email alerts to the document (email to be send on a requested date by the user containing a title - description & link to the document) 4. see the list...

    €18 / hr (Avg Bid)
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    24 offerte
    GUI with good UX 5 giorni left
    VERIFICATO

    The current GUI is a basic html webpage with a form submission. Once the event handler is triggered, regular expressions match strings. On matching, the matched text is colored and a label and emoticon are inserted. Additional information is displayed in a pop-up on hover. I would like to improve the UI/UX. The new interface should make it easy for users to access additional information for each m...

    €112 (Avg Bid)
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    9 offerte

    - pls only bid if en skills are good - frontend: react - backend: php, laravel ERROR [accedi per visualizzare l'URL] Uncaught (in promise) Error: Request failed with status code 401 at createError ([accedi per visualizzare l'URL]) at settle ([accedi per visualizzare l'URL]) at [accedi per visualizzare l'URL] ([accedi per visualizzare l'URL])

    €100 (Avg Bid)
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    11 offerte

    - pls only bid if en skills are good - frontend: react - backend: php, laravel ERROR [accedi per visualizzare l'URL] Uncaught (in promise) Error: Request failed with status code 401 at createError ([accedi per visualizzare l'URL]) at settle ([accedi per visualizzare l'URL]) at [accedi per visualizzare l'URL] ([accedi per visualizzare l'URL])

    €20 (Avg Bid)
    €20 Offerta Media
    7 offerte
    Bug fix in app with react native 5 giorni left
    VERIFICATO

    Hello, we are looking for a react native developer with experience for the resolution of minor bugs in a wallet-type app and at the same time make small visual improvements, the work must be done in a short period of time therefore the user must count with enough time to leave the same lists on time. We have a document that describes each and every one of the tasks that must be performed.

    €119 (Avg Bid)
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    34 offerte

    Hello everybody. The project is about gps software that is using as a backend the open source server traccar. The Software is already on production and what is needed further modifications in functions, some bug fixes and UI improvements. This is a multistage project and we need freelancers with deep knowledge of the GPS tracking field and especially traccar. We prefer only freelancers that hav...

    €747 (Avg Bid)
    In primo piano
    €747 Offerta Media
    20 offerte

    I want front-end developer who has experience in React, Angular, Vue. There are some mixed works with these frameworks.

    €11 / hr (Avg Bid)
    €11 / hr Offerta Media
    32 offerte

    I need few changes on a small React code, I will let u know details

    €25 (Avg Bid)
    €25 Offerta Media
    30 offerte

    We are the UK’s largest fuel information service on web and app. Our vision is to save drivers money on fuel and on products in the shops by rewarding them with points by completing actions on the app. The company is seeking a JavaScript Full Stack Developer who has hands on experience with ReactJS, GraphQL and Serverless Framework. The ideal candidate will assist the in house team in co...

    €28 / hr (Avg Bid)
    €28 / hr Offerta Media
    71 offerte

    Existing Ruby and Rails site multiple current pages(front end) needs to be updated with react.js , Plus few new features needed. New design .psd files will be provided. The website is built on Ruby and Rails and managed via Active Admin, hosted with AWS.

    €272 (Avg Bid)
    €272 Offerta Media
    24 offerte
    React JS and Lottie Expert Need 5 giorni left
    VERIFICATO

    Hi, i need a good developer who is expert on these React JS Lottie GraphQL FFMPEG Puppeteer

    €37 (Avg Bid)
    €37 Offerta Media
    19 offerte

    I need Travel portal where customer can book flights and hotels, So it will be a B2B and B2C portal. Please let me know if you have one. SO can we discuss the cost. I Don't want any INDIAN OR CHINESE Developer

    €4973 (Avg Bid)
    €4973 Offerta Media
    12 offerte

    i want to develope Framing Consultation app in flutter are FireBase as a Backend . there will be 4 type of users to access data , admin panel to create Matsers and control users In app Purchase , In App Notification, Fire base Realtime database , firebase API's, wheater Forecasting , Market Rate, Dealer and Buyer Modules will be there ... Deadline Max 25 Days

    €1481 (Avg Bid)
    €1481 Offerta Media
    27 offerte

    I need Travel portal where customer can book flights and hotels, So it will be a B2B and B2C portal. Please let me know if you have one. SO can we discuss the cost.

    €3910 (Avg Bid)
    €3910 Offerta Media
    28 offerte

    Looking for a high-skilled React Native developer who can build a mobile app. You must be familiar with React Native and Django for backend development we are looking for : - Must be expert with React Native - Django experience with backend - The work time zone: U.S. business PST time - daily delivery - full-time house-working freelancer. Thanks.

    €12 / hr (Avg Bid)
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    91 offerte

    I am looking to create web app and mobile app. You have to be an Expert in React, React-native.

    €16 / hr (Avg Bid)
    €16 / hr Offerta Media
    65 offerte

    I need a skilled to fix an issue on a web store which causes lazy load to break the quick add to cart function.

    €109 (Avg Bid)
    €109 Offerta Media
    19 offerte

    Hi we are a web design company based on the US with extensive knowledge about React/Node. We like to hire a person to help us build our project. we will ask you technical questions for both React and Graphql. please be ready to answer them. you will be responsible for the UI design from the mocks that we provide. React 16 (we use hooks and functional components) graphQL WebPack API Design

    €17 / hr (Avg Bid)
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    38 offerte

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