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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    302 jobs found, pricing in USD

    I want a desktop application With a small Database. I want to use this to create Quiz.

    $7 / hr (Avg Bid)
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    Looking for ReactJS Developer 6 days left
    VERIFIED

    Hi, We are looking for a React.JS developer urgently. The candidate should have 2-4 years of experience and should be able to work with quality and develop a bug free product. The selected candidate will need to start immediately. More details will be provided after shortlisting.

    $20 (Avg Bid)
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    I want someone to go with me on a call how to add to filter an id which is located in a nested component in Strapi. How will this work? 1) Will add a milestone, 2) Schedule a call with screen share options. 3) You will guide me, what to change in the result. Detailed problem can be found here: [login to view URL] Regards,

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    bubble web app building 6 days left
    VERIFIED

    Hi, we want to build a booking form for mover with costumer dashboard integrarted payment system too, it s possible with bubble, what about server speed for bubble. can we use our external firebase database and storage via api ? best regard Ikene similar web: [login to view URL] for distance calculation we well use google map api ( time traverl x fee/hr) best regard annik

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    Hi I'm going to repost this to be a bit more clear to avoid conversations with people pretending to be someone they are not. - After this job is awarded you will be required to have a WebCam conversation with me and prove that you are the person in the photo of your profile. If you are not the project will be terminated. - You will also be required to connect to my internal software to prove...

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    If you are highly good at MERN stack development, please feel free to apply. Let's talk over the project specifications further. Before starting the project, you should have NDA sign.

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    I am seeking a Shopify developer from my requirements.

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    I NEED EXPERT IN REACT RECHARTS - REAL TIME CHART

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    We are looking for someone who have basic knowledge of mern, gatsby and [login to view URL] Add interested keyword in start of your bid if you are interested

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    My client already has a website consisting of an e-commerce platform with delivery functionality, and admin panel. The website needs fixes to functionality and design. A progressive web app for delivering groceries is needed as well. The project is built using React, Node.js. This is a tech co pilot managed project being posted on behalf of my client.

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    HI, Guys. I'm looking for professional React and Node developer to develop the one admin page and one pay of stripe payment in order to manage the two products. If you are good and super for this job, I will use for long term cooperation. I'm managing the many projects(MERN, MEVN, Django) from California healthcare and betting Companies. Just need right developers. Website exists and I ...

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    We are in the process of developing a website that will help our customers manage their business risks. The following are the key functionalities of the website 1) Login and Sign-up 2) Profile settings 3) Risk Register 4) Add Risk 5) Edit Risk 6) Action and Task management The website would be on NodeJS with React and Express framework. DB would be on Postgres hosted on AWS. We have developed U...

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    Backend is written in java and deployed on development server, swagger is available. Angular or react it matter of your choice). You should also work on styling and html structure. Fire up your fantasy)

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    I need one developer who has good experience in Django and ReactJS. This developer will work alongside myself to create soft launch product for use by May 3rd. This application will be pushed to Microsoft Azure for hosting.

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    It's a web application built in Python+Django and NuxtJs. There have to be feature additions done into this existing web app.

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    We are building a food industry website. - Gatsby, React Hooks, Redux - [login to view URL] (CMS) If you have some experience with Contentful, then you are welcome - GraphQL - JavaScript, ESlint - XD design We are ready with XD design and just looking for a senior developers

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    I am going to build a vacation rental booking website using nextjs framework for better SEO. It will use 3rd party API as calendar management and hosting will be AWS or Google Cloud. I have bookerville API in mind, but open to suggestions. Planning to start project soon if I choose right candidate. Familiarity with AWS/Google Cloud is a big plus

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    Sealed
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    We are looking for a team/company/professionals that can cop(y) [login to view URL], [login to view URL] and create a dashboard for client to use, our team will tell you something that we need to edit, e.g. some content we don't need or change the theme color. You/your team must have exp. on dev cryptocurrency website and dashboard and provide us your portfolios related to crypto. You must k...

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    I need to hire someone who could build a blockchain-based web application with the following features: 1. the application shows number of specific products, all the products have the same attributes (the attributes is written in .xml file) 2. the suppliers of the products join an Ethereum network and then add their product in the blockchain. 3. the suppliers are allowed to edit the attribute file...

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    I need frontend built with React, backend with node/express, database with mysql Will share the design and details with the senior deveoper over 4 years experience

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    In the beginning, I would like to tell you that I am an Arab person. I am not good at English. I use Google Translate only. I have an idea for a project to host a chat and rent it to clients. I have a vivid example of the idea needed here [login to view URL] Or here [login to view URL] Or here [login to view URL] The chat should be in both Arabic and English the ability to specify the langua...

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    Build me a CRM in React 6 days left
    VERIFIED

    Looking for an experienced front end react developer to work on a customer interaction system, backend is already developed in Django. Someone with good frontend development skills required -API use is must. Required Skill Set: [login to view URL] Experience in MERN Stack Development r [login to view URL] Material UI [login to view URL] coding practices [login to view URL] to Research and De...

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    We need someone with experience creating animated pages in ReactJS to create the Trade, Referrals and Account page of a crypto exchange/broker as shown in the attachments. The pages require that the frontend hold state retrieved/received from a grpc api and display that in real time via changes in the displayed orderbook, trades feed and charts etc. The frontend has been pre-scaffolded in typescri...

    $36 / hr (Avg Bid)
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    Hello, I have a PWA in the ADULT dating industry. I need someone who is an expert at using Webpack bundle analyer and other tools to remove all unneeded javascript safely from a React PWA. Put the word "KOD" as the first word in your bid so i know you're not a bot, others will be ignored. Now offering a bonus for performance. **DO NOT APPLY IF YOU CAN'T WORK ON ADULT DATING S...

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    Build me a Web Application 6 days left
    VERIFIED

    I need a web application that runs on a phone for a food company. Please include samples of your best mobile applications. I would like to avoid Uber, Doordash, and Grubhub by creating my own mobile solution. Include "Cr52n3" at the top of your proposal for consideration.

    $916 (Avg Bid)
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    51 bids

    Hello, I have a PWA in the ADULT dating industry. I need someone who is an expert at using Webpack bundle analyer and other tools to remove all unneeded javascript safely from a React PWA. Put the word "KOD" as the first word in your bid so i know you're not a bot, others will be ignored. Now offering a bonus for performance. **DO NOT APPLY IF YOU CAN'T WORK ON ADULT DATING S...

    $27 / hr (Avg Bid)
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    4 bids

    Hello, I have a PWA in the ADULT dating industry. I need someone who is an expert at using Webpack bundle analyer and other tools to remove all unneeded javascript safely from a React PWA. Put the word "KOD" as the first word in your bid so i know you're not a bot Now offering a bonus for performance. **DO NOT APPLY IF YOU CAN'T WORK ON ADULT DATING SITES**

    $13 / hr (Avg Bid)
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    11 bids

    We are looking for React and React-Native developers who have proven experience in Firebase real-time database, GEO Location, MapBox Directions, etc. First of all, you will have the paid assessment test.

    $1393 (Avg Bid)
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    ReactJS and Android 6 days left
    VERIFIED

    All I need is to complete the functions I missed on the website and android app. We will provide you with all your requirements and existing website and mobile app code. It must be completed within 2 days.

    $57 (Avg Bid)
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    ReactJs, NextJs and Tailwind css Developer needed to join the team for an immediate start. You will also be required to mentor the team on best practises.

    $499 (Avg Bid)
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    Hey there! :) Our company (American company Interexy) is looking for an experienced React developer for working on a long-term project. - Experience 2.5+ (understading of react+javascript+cypress) - English level B1-B2 - Full-time It is necessary to fix bugs, refresh the website, app, do cypress and react testing, help with testing the app (made in React and JavaScript). Several advantages...

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    Hello, I am the co-founder of a healthcare startup, Hublo. We were 3 of us in 2017 and today we are over 60 employees. At Hublo, our goal is to bring smiles back to paramedics in hospitals and clinics by designing a replacement management application. Your mission, if you accept it, is to integrate one of our technical squads to accelerate the redesign of the web application. We only use the lat...

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    A would like a blockchain developer with binance smart chain (BSC) / web3 / BEP20 / experience to build me a TradingView chart that uses data from a BSC BEP20 contract (for example safemoon 0x8076c74c5e3f5852037f31ff0093eeb8c8add8d3) The chart should look just like this: [login to view URL] Being able to switch the chart between contract address would be a huge advantage. For example, I would ...

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    Hi, I'm in need of a developer/team that can help me with a new business I'm about to buy. The whole business/website/backend is built with PHP, React JS, Javascript. This is a 2 part "job": 1) I need help in the Due Diligence period where we go through the website and backend to see if there are any flaws in the code. Furthermore takes notes on what we need to improve after I...

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    Hello. I am looking for cucumber expert for longterm contract. I have simple test task - React/Cucumber for around 1 hours. If you are passed, I will contract with you and can discuss for monthly budget. Of course I will pay for test task. Looking forward to hearing from you.

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    make changes to a react frontend and combine it with my backend. teach me mern stack.

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    We are working on a project where we are using PHP CI as a backend and react over the frontend. We create APIs and call in react. We need another resource to work with us for 60 hrs a month so it is part-time as of now.

    $459 (Avg Bid)
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    I need one developer who has good experience in Django and ReactJS. This developer will work alongside myself to create soft launch product for use by May 3rd. This application will be pushed to Microsoft Azure for hosting.

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    You will be designing and building out the UI/UX of our website, a search engine for the local retail inventory with social features. We're looking for someone who is obsessive over high quality effective UI/UX, a strong design acumen, an eye for detail, and excellent CSS skills. Haystack is a California-based start-up. We are revamping our product completely and aiming for a soft launch so...

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    Build a custom step-by-step 3-page application. First page has two buttons. Second page - if yes show one form. Third and final page if submit then show the thank you. React - Typescript custom need, no plugin, no react-router, no useHistory nothing. Only do custom create a code. Step by step. I am looking for senior developer only.

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    Need someone to write React Specs for long term. It will be a long term project. who can work as a part time job

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    I have a project where someone need to write the test cases for that project. The project is pretty small.

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    Hi Im currently using Offline Plugin to serve my service worker. I need a more performant setup using WorkBox ([login to view URL]) Please only respond if you've used WorkBox. If I realize you dont know it you will be removed from the project immediately. Put the word ICE as the first word in your response so I know you read.

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    I have project in progress and my collegue could not work because of covid. and this is the urgent and big project... So i need new developer who specialized in JS based full stack.

    $12 / hr (Avg Bid)
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    Hi Im currently using Offline Plugin to serve my service worker. I need a more performant setup using WorkBox ([login to view URL]) Please only respond if you've used WorkBox. If I realize you dont know it you will be removed from the project immediately. Put the word ICE as the first word in your response so I know you read.

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    Deployment of WEBAPP on Digital Ocean You have to connect back end to the front end - node assignments You have to be proficient in the following Node.js, React, TypeScript Back End uses thirdparty API : Segment, Stripe , Google MAPS API, WalkScore Max time anticipated for this project is 5 days. Only Response to this posting if and only if you meet the stack requirements.

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    We have to develop powerful landing pages about introducing Our Company

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    Need to build multilingual iOS, Android apps + website + backend. Design is almost finished, need to add small features. Previous version of app - [login to view URL] We need to rebuild from scratch + add quizes, wikiauto section. Description of apps and website: Main menu: Application main menu 1) Auto photo 2) Switch buttons 3) Ability to move buttons to the MY CARS page My cars: 1) Ad...

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    Set up real time messaging in app. Both group and private chats. Must use existing code. Authentication has already been set up. Primary focus to be put on realtime messaging and storing users messages in firebase. ADDITIONAL INFORMATION I am doing a group project and need help setting up the realtime messaging portion of the app. There is existing code you would have to work with. I need help ASA...

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    Looking for someone who has experience in ERP and supply chain software development. The system will be to track sales, invoicing, expenses, staff time tracking, payroll, customers, suppliers management, products, inventory tracking, reports, POS. Other things that are needed will be hardware integration and API integration (open maps, whatsapp, etc..). Currently the frontend page designs have b...

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