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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    251 仕事が見つかりました。次の価格: USD
    Project Bet 6 日 left
    認証完了

    .net Core Rest API Betting System with message queuing / publish subscribe patterns

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    I am planning to build something like this [ログインしてURLを表示] I am looking for some one who can build this with a proper cloud scalable microservices solution. The main focus is on building the backend. thanks

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    Need a senior canvas/d3 expert who can build custom component in React. First project is to build a component in react which accept an array of sensor values and draw an custom belt around a car image. Must be responsive and also need to be same with design. First project need to be completed within a day and once success, it will lead long term position.

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    Demo, modulo Video Streaming -- 2 6 日 left
    認証完了

    Estimados necesito Programador con experiencia en REACT JS , AWS excluyente, (idealmente), NODE e IONIC con conocimientos en servicios amazon para el desarrollo de modulo o demo básico de videostreaming con salas y chat, independiente y funcional. Trasmitir, recibir y almacenar en aws, archivos multimedia bajo codec hevc. Se trata de un pequeño modulo para video streaming servicios ...

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    We are a startup Tech Company. We have over 32 modules/platforms in our business plan, including: - Blockchain & Cryptocurrency with a $2,000,000 (2 Million) Initial coin offering - Property market (Clients pool money together and our experts buy property for them. Clients own the property in proportion to the amount they put forward in the money pool) - Peer to Peer lending - Business s...

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    React native travel app 6 日 left
    認証完了

    Hello We're looking for a React Native and Expo expert Because we need to make a forms multi-step like this website ([ログインしてURLを表示]) And we need to make a Travel website comparator and we will work with this API ([ログインしてURLを表示]) We need only flight and hotel And our website should be use a payment gateway with Stripe Tell us the final quote please Thanks

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    Hello ! We are looking for a new developer to join our team. You must be a full stack developer with experience with Node,js / Mongo DB / Firebase auth. For the backend 1) express for making the server 2) sequelize, express-sequelize for orm support for mysql. 3) body-parser for parsing the request body 4) bcryptjs for decrypting and encrypt password and text values 5) express-fileupload for m...

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    We’ve recently put an updated frontend into staging and require a frontend dev to complete some outstanding work for September (ideally this weekend). Backend understanding of mongo/ graphql and relationship structures will help. Create a free account at [ログインしてURLを表示] and you’ll get an understanding of what’s live but we have a staging version that you'll be working from ...

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    Looking to build js based cloud SAAS application for salon booking and business management. Will give you details in chat

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    53 入札

    urgently required experienced react NodeJS developer For Our Running Project Min Experience : 3+ Years React Node JS | Mongodb Full Time Developer , Budget No Bar For Right Candidate

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    6 入札

    My budget is 10 USD for 1 hour. ** Don't bid if you want more than 10 USD. ** I will borrow you 1 hour for this work to help me with CSS and React. I will share my desktop to you. You see my code and tell me how to modify to meet style requirement. We exchange knowledge by audio chat and file transfer.

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    FULL TIME JOB. React Native . -- 2 6 日 left
    認証完了

    *** first part is to complete view. Need one more for the team. React. need to know: react native. some WEB RTC We working 8h/day 6d/week. We pay 28K inr per month, can raise later for good employees.

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    6 入札

    This project is software designed to help operate a medical practice more efficiently. It consists of scheduling, communications, task management, and creating of a charting tool which allows providers to document clinical encounters. Phase I has been completed by one developer and now I'm looking to complete phase II.

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    Hello I have a website that is 90% completed, I need a real professional that will get ownership on the website and will be my developer for the long run. The website built by using Flask, React, mongodb and is running on linux with nginx an apahce. Need a very strong flask, react and mongodb skills. Need to be able to learn fast and understand former developer work, Please, professional develop...

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    Implement features for Management Software - Make UI elements functional (React, Ant Design, Electron) - Write backend api using ExpressJS - Simple CRUD for PostgresDB Looking for 3 freelancers for each segment of the project. Estimated manhours per segment of project = 24 hours Require project completion within 4 days. will only consider candiates with attached porffolio of past projects done...

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    18 入札

    Looking for a talented dev or a team to build a website that enables users to have a disposal temporary email address where they can use it as a disposal email. A website like this: [ログインしてURLを表示]

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    [ログインしてURLを表示] is my website it will give you an outlook of what I need (some additional features might be required). it's gonna be a social networking website for gamers specifically for dota community.

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    Note: This is a long-term project, we are looking for people with sufficient knowledge and experience from past projects to work on our project together with a team. Project description: - Must take a proficiency and knowledge test to be considered for the project - Must work for a minimum 7 hours per day - Must commit full-time for minimum 3 months - Must have min. 2 years of MERN experience (mu...

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    Needed React.js Developer 6 日 left
    認証完了

    We have some small hourly project that may lead to a longer term role; the candidate must have mastery of these areas: * React.js Player (ability to go through the list of items) * Form data entry (AntDesign) * GraphQL API * 100% comfortable with tracing through existing code * comfortable with SCSS code/Layers/containers organization; hide/unhide a layer * Comfortable with animations such as text...

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    Agencies do not bid, please! I am looking for freelancers.

    $30 - $250
    シール
    $30 - $250
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    Full-time - React.js Developer 6 日 left
    認証完了

    ABOUT YOU You are someone that wants to learn and learn fast. You love to be faced with problems and solve them with the help of your teammates or alone. When you start something, you are dedicated & disciplined until you finish what you started. You are a good teammate and someone who makes others laugh. YOUR JOB You'll develop and deliver software features You'll be part of a fron...

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    Hello,Everyone. I am finding backend developer now. you should be mern stack developer. also you must know socket.io. you should implement chatting between users and admin. it is urgent work my max budget is 40$.

    $122 (Avg Bid)
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    8 入札

    I need a new website. I already have a design, I just need you to build it.

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    7 入札

    Need a MERN Stack Developer for Full Time Project with strong Node.js and strong React.js exprience. Must be VERY STRONG on the BACKEND React Native would be a huge plus. Must be able to conceptualize and advise on architecture. Must be able to start immediately. Must have portfolio of work you have done before which you can show. Agile. Jira. Github. Slack. Must be able to dedicate at least...

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    We, a growing stage A.I health tech startup, are looking for an experienced react dev for a web app migration from Vanilla JS & JQuery into React. You are expected to: Create a simple 4 pages application (sign in, simple dashboard, profile, and a custom annotation page, see below) using react components. Develop a flexible and well-structured front-end architecture, we will provide the API e...

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    18 入札

    We have a meeting app that uses open-source JITSI Platform. We are looking for a developer that has experience in customizing and containerizing JitSI platform

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    16 入札

    I am in need of a very unique set of skills. Namely blockchain development. The concept is simple, and much of the code needed to execute this concept already exists as open-source code. I need someone who is capable of building a website similar to that one of Uniswap. However I would like to add more navigation options. I would like to create a platform that merges the concept of aave (borrow/l...

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    6 入札

    I need a new website. I already have a design, I just need you to build a website for my small business. Have to maintain DB in google cloud platform.

    $119 (Avg Bid)
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    7 入札

    Looking urgently Experienced React Node Js | mongodb Developer Full Time

    $425 (Avg Bid)
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    8 入札

    Web App development in Node JS | React JS | My SQL | Express | REST Need Node JS developer for building compensation plan of a Network Marketing plan. Must have experience building apps that are scalable yet light weight, secure and can handle high traffic. Knowledge of Web Sockets will be a plus. Must be familiar with pre requisites of Dev Ops, as this will be an on going project and would r...

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    node js multithread 6 日 left
    認証完了

    i have node and react project. But We need to create multithread in node. if you can do this , Please bid in this project

    $613 (Avg Bid)
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    14 入札

    urgently required experienced react NodeJS developer For Our Running Project Min Experience : 3+ Years React Node JS | Mongodb Full Time Developer , Budget No Bar For Right Candidate

    $926 (Avg Bid)
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    6 入札
    React native android/ios developer 6 日 left
    認証完了

    Please please please read well the description of the project and be aware about the details and budget so you will not loose your time an d mine too. I have an app deployed in google playstore. This version have some issues of performances and really slow. My purpose is to optimize the app and add functionalities. Then deploy all in apple store. The profile i need is the following: Good experti...

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    i am looking Experienced Developer (React Node Js | Mongo dB ) For Running Project.. Need developer Long term Experienced Dedicated Resource... Project Is Urgent Basis so need responsive and hardwork Developer

    $338 (Avg Bid)
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    7 入札

    Hi, i am Looking for a web developer on salary base of 100USD/Month skills required : PHP / Codeigniter - Mobile - Express / react / webrtc all countries are welcome Thanks

    $64 (Avg Bid)
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    5 入札

    i am looking Experienced Developer (React Node Js | Mongo dB ) For Running Project.. Need developer Long term Experianced Dedicated Resource... Project Is Urgent Basis so need responsive and hardwork Developer

    $319 (Avg Bid)
    $319 平均入札額
    5 入札

    i am looking Experienced Developer (React Node Js | Mongo dB ) For Running Project.. Need developer Long term Experianced Dedicated Resource... Project Is Urgent Basis so need responsive and hardwork Developer

    $679 (Avg Bid)
    $679 平均入札額
    7 入札

    e have some small hourly project that may lead to a longer term role; the candidate must have mastery of these areas: * React.js Player (ability to go through the list of items) * Form data entry (AntDesign) * GraphQL API * 100% comfortable with tracing through existing code * comfortable with SCSS code/Layers/containers organization; hide/unhide a layer * Comfortable with animations such as text ...

    $31 / hr (Avg Bid)
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    17 入札

    e have some small hourly project that may lead to a longer term role; the candidate must have mastery of these areas: * React.js Player (ability to go through the list of items) * Form data entry (AntDesign) * GraphQL API * 100% comfortable with tracing through existing code * comfortable with SCSS code/Layers/containers organization; hide/unhide a layer * Comfortable with animations such as text ...

    $19 / hr (Avg Bid)
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    Looking for Senior React developer who has good experience with React Hook. Short testing interview will be organized as the first step. Best, Bojan

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    Hello, I would like to customize this script : [ログインしてURLを表示] I want to make it telemedicine oriented. Check it please.

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    10 入札

    We have an excellent web APP in React. We need to optimize the design, look and feel of it. We want a professional front end designer who will first do improvement designs in PSD and then convert it to HTML . React component will remain same. There are around 45 screens

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    15 入札

    We are seed-funded startup that helps teams improve their Agile processes by facilitating effective and engaging retrospective meetings. With over 170,000 retrospectives run on our platform, we’re the trusted leader in our market, and we’ve been helping teams continuously improve since 2015. We’re also a small, cross-functional team of passionate and fun people. We have an outst...

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    Expertise needed are python, aws lambda, react.js and mongodb. We are building shipment logistic company and needed full stack developer. we pay biweekly and monthly pay will be around 800 to 1200 usd depending on experience

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    7 入札

    We are building a React Native application and the starting components are already added along with the basic structure. We want to hire developers based on some task completion basis. We have a couple of tasks pipelined and would like to hire developers who have experience working with React Native. We are willing to pay $200-$300 for the whole project.

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    10 入札

    Mastergy will be an Educational Networking Website/Application with some innovative features and robust technology provides quality based education to every category of users. We are requiring experienced frontend developers with in-depth knowledge in REACTJS, JSX, CSS, Js to deliver some impeccable worth designs which can call backend API in just a snap. The required developers must be experience...

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    FULL TIME JOB. React Native . 5 日 left
    認証完了

    *** first part is to complete view. Need one more for the team. React. need to know: react native. some WEB RTC We working 8h/day 6d/week. We pay 28K inr per month, can raise later for good employees.

    $3 / hr (Avg Bid)
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    8 入札

    I want mobile and website which is like zomato app but people not going to add food they can order anything like electronic accessories, grosseries, the mobile app myst be flexible must show the stock and available quantity of product

    $233 (Avg Bid)
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    8 入札

    [ログインしてURLを表示] This is open source plotly / dash code , the link has source code on GitHub. requirement is simple , as attached on screenshot , we need a Diff function that does A-B . The is currently a function sum that does A+B , This part of code is in JavaScript / reactjs. You need have a background of python but work is in JavaScript/ Reactjs.

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    I'm searching for an experienced Web Developer with extensive knowledge in NodeJS and ReactJS to work on my ongoing platform. I'm creating a Property Management Software, which almost the same as [ログインしてURLを表示] This platform allows you to create vacation rental properties, connect them to Airbnb, show them on a calendar, and perform reservations. I'm looking for somebody to work on ...

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