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.

From 267,069 reviews, clients rate our React.js Developers 4.84 out of 5 stars.
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    This is for a certified senior react engineer who can take over and continue the current project. Your flexibility and accountability would be best pluses for this role. You need to provide 8/40 hours on American time zones. Please submit your applications if you are interested in.

    $2308 (Avg Bid)
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    Requirement: Deadline: 2 Days Front end: React.js Back end: Node.js & Machine Learning This feature is to be developed in both web and mobile application. In the navigation bar, there will be one extra button called "Recommendation". When the user clicks on it, he will be directed to another page. In this page, the system will recommend the user a list of recipes. These recommendations are generated based on the user's preference using machine learning technology from the user's search history. When the user clicks on any recipe, they will be able to view the recipe as usual.

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    I am looking for someone to make a package (firmware) that can be installed on my wireless router. I already have a Linux-based backend and react.js UI ready. Your job will be to use API's from the backend to push configuration from the react.js webpage. Put it all in 1 package so I can install it on my hardware. Let me know if you have any questions. Regards, Aasaan Networks

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    Need some fix in react-app 6 days left
    VERIFIED

    My Dapp supports chat between users by and it shows some issues. There are some issues to fix. on chat part -I can't see other's message immediately. it only shows once I refresh my app -I need to add user profile's status(online/offline) shows all NFTs on EVM chain in our dashboard page for logged user's wallet but it is not working. 3.I am using tailwind css and it works well in chrome but it is not working in safari. I'd like you to complete this within 20 hours. I will provide the detailed document to proper candidate

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    Trophy icon Write online tech assessment 2 days left

    Assessment Duration: This test normally takes 39min, but you have up to 58min 30sec (no breaks allowed). :Skills: Node and React (JavaScript) Level: Senior Please accept the job with understand of what is needed and the budget located

    $45 (Avg Bid)
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    Hi, We want to build a simple wax blockchain game (click to earn) Just like Farmers World. you must have experience with WAX blockchain & alcor exchange.

    $960 (Avg Bid)
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    Hello! I am currently working on a React Project and need support form a proficient React Front-End developer to create the desired layout of the page. Can anybpdy help me?

    $30 / hr (Avg Bid)
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    Hello, guys. I want to build the form builder app(apk and ipa) using React Native CLI. Details will be discussed in DM. If you are a good candidate, please apply. If you pass the small part of the project, we will go to the long term contract. Thanks.

    $681 (Avg Bid)
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    We are building products to enable enterprises turn their CCTV cameras from a video security tool to a video intelligence tool and thus create a smarter and safer physical world with video. The responsibilities will broadly cover: 1. Build the core UX of our customer dashboard, which centers around providing OTT like experience to users from their CCTV feeds 2. Build video player, that the customers can use for: - - Streaming Live Videos - Extracting Video on Demand - Buffering on Live video - Video Scrubbing. 3. Ship fast and iterate with 2 week sprints and daily code commits 4. Work closely with CTO to drive the design and implementation of key features

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    Integrate power bi report in react app.

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    I need a MERN application/Headless CMS that I will use to serve content on my website and mobile application. What I need is JWT Auth system, ECommerce, Banners/ADS module, Form integration with Dropbox. Project must be completed by 1 May 2023. We can discuss more details about the needs of the application via chat.

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    We already have a website up and running. It is in WordPress and we want to convert it into react. We want to update our privacy policy, refund policy and terms and conditions on our website. And then host it on AWS EC2. Website -

    $32 (Avg Bid)
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    I am looking for a frontend developer to build a crypto dashboard website. I looking for people expert in React, Redux, MUI, Chakra, Tailwind etc and have completed a couple of project in the past. Also writing test cases for each component. The backend API is 90% ready and we just need to develop the frontend for the same. I have attached some of the Figma pages and would be adding few more pages to it. The pages must be executed in order and the payment will be done in multiple tranches/milestones- 1. Page 1- 5 should be completed in order for first tranche. The 1st page is a form which include a trading view integration and should be something similar as described in "1 " file, but the theme as "1 ". 2. Page 6-9 second tranche 3. Page 10 -12 third tranche ...

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    API integrations and high critical bugs using React, postman API, Typescript, html, JS and SCSS

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    I'm looking for Indian origin front end developer. Monthly 1lakh+INR 5+ years of experience is needed for position. Please DM for detailed information. AWS is asset

    $1423 (Avg Bid)
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    25 bids
    Build me a website 6 days left
    VERIFIED

    Could you please quote me for similar features like on it's a very simple few pages website related to digital vCard services, I don't required every single feature from this website some of the features are excluded from my project, for more details it would be good if we chat first, sample image of landing page is attached.

    $130 (Avg Bid)
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    We are looking for a frontend/web3 developer able to build a website/dapp front-end for our NFT collection and smart-contracts. Smart-contracts and artwork are ready, so we would only need the front-end. The perfect candidate MUST have previous (provable) experience developing dapp front-ends and must be able to design an essential, yet appealing, website UI. The ability to deploy the website to IPFS is a big plus. We are an independent project so we don't have a large budget at the moment, but we will do our best to accommodate the candidate's request if we find the right match. Plus, we promise a hefty bonus in case the project succeeds.

    $1624 - $3248
    Sealed NDA
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    18 bids

    Hello, for a new project, I need a listing solution for hair clinics (and other plastic surgery services) based on new javascript technology like React, Angular or Vue. The UX/UI should be also modern and a customized Figma would be enough. If you have a developed solution for listing pages, we would only need to customize it. Example for what I need. Please bear in mind, that the example has old technology and old design. It coveres all the features I need, so please make your estimation based on that. I am looking for a reliable team, since I have my own agency and do IT-projects on a regular basis and am experienced. After we agree, I will share detailed feature list and the exact scope of what I need. After that we will start with finalising the UX/UI and go to development an...

    $40 / hr (Avg Bid)
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    I am writing to request a quote for a website need like freelance market place like as fiverr and truelancer. . I am looking for a platform that offers a range of services, such as freelance work, digital services, and online marketplaces. It would be great if you could provide a demo of similar projects that you have completed in the past. This would give me a better understanding of your capabilities and the quality of your work. In terms of budget, I am open to negotiation and would appreciate a quote that is within my budget constraints. I would also like to know the estimated timeline for the completion of the project and any additional services that you may offer, such as website maintenance and support. I am looking forward to hearing from you soon and hope to establish a long-...

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    Hi There, I am looking to build a website that is a combination of Udemy and Superprof. Link to superprof website: Link to Udemy;

    $1728 (Avg Bid)
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    Collaborate for 24 hours on an ongoing react project Must know the basics, state management, UI flow and REDUX Can Start Work ASAP

    $117 (Avg Bid)
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    I want a freelancer to help solve this error in my react app. I can send you Project file, alternatively, you can connect through Teamviewer. Please this is an urgent and please stay away if you are time waster. Reply with "React" so i know you read the problem Error: ode:internal/modules/cjs/loader:998 throw err; ^ Error: Cannot find module './keywords' Require stack: at Module._resolveFilename (node:internal/modules/cjs/loader:995:15) at Module._load (node:internal/modules/cjs/loader:841:27) at (node:internal/modules/cjs/loader:1061:19) at require (node:internal/modules/cjs/helpers:103:18) at Object.<anonymous> (C:UsersfanniDesktopcitynode_modulesajv-keywords:16) at Module._compile (node:internal/modules/cjs/loader:1159:...

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    Hi freelancers, We are seeking a senior(L5) level front end developer for our ongoing project. Here I write the brief of the project. Backend is Node.js and you should collaborate the backend developer for API changes. Frontend is React with hook and redux. If users sign up, they should select the membership plan. If skipped, trial of a week will automatically work. Users then select their preferred images to buy. They are restricted to buy high level images according to the membership plan they chose. We are going to add much more functionalities to the project. Please send proposals if you have tasted such a this style of project. NFT or other blockchain techs are bonus. Please upload your senior front end resume for us to choose the best one, or you will be missed out. Re...

    $1170 (Avg Bid)
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    Hi, Please dont bid without read and understand my project. I need an eCommerce website for AliExpress Dropship. In My website I want: 1) AliExpress Product Search option. I will search products, Products will display, i will select product one by one and I will import. All products will be imported in My website from AliExpress. product name, description, everything will be add in my product list. 2) I will set pricing rules, like 10%, 20% etc. For Example, I set price rule 10%. So if AliExpress Product Price is $100usd Then 10% will be add when product will be add in my website from AliExpress 3) I need similar Functions: Just Follow few Wordpress AliExPress dropshipping Plugins: Plugin 1: Plugin 2: 4) I need all eCommerce features like payment gateway, checkout, cart etc. 5) this webs...

    $16621 (Avg Bid)
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    Mobile app (compatible on android and ios) needed. The application will be used by a delivery service and should contain 3 kinds of logins/sign ups - Customer, Delivery person, Admin. On the customer sign up page following details are to be collected: Name, contact number, alternate number, email, address After signing in customer should be able to: 1. Enter the pickup address 2. Enter the delivery address 3. Preferred time slot of delivery 4. Item to be delivered 5. Weight of item 6. Delivery mode (Bike/Scooty/Cab) 7. Distance to be calculated 8. Delivery cost to be displayed (This can be discussed later) 9. Payment options - Cash, UPI (post delivery) 10. Edit scheduled delivery On Delivery Agent sign up page following data need to be collected: Name, contact number, alternate numb...

    $775 (Avg Bid)
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    Jest Unit Testing Coverage 5 days left
    VERIFIED

    looking for some Jest Expert for Jest Unit Testing

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    Needs to develop a react.js e-commerce website for a new clothing brand in India. Brand name - Attired Z Budget - ₹5000-₹6000 (excluding hosting and domain)

    $84 (Avg Bid)
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    26 bids

    Hello As the project title says. thanks

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    I am looking for front-end developer who have rich experience with React,Vue and Next js.

    $33 / hr (Avg Bid)
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    79 bids

    Development of a web application for the management of end-of-study projects

    $20 (Avg Bid)
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    I am looking for a top talent of react js. This project is huge, so you have to test before get the project. Of course, I will pay for test project. Please feel free to contract if you are interested in.

    $33 / hr (Avg Bid)
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    139 bids

    Development of a web application for the management of end-of-study projects

    $220 (Avg Bid)
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    31 bids

    Looking for a developer who has prior experience in integrating trading view technical analysis charting library. The end result should look like charts page. No agencies, looking for full time individual freelancers only.

    $1457 (Avg Bid)
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    24 bids
    React expert needed 5 days left
    VERIFIED

    Need react expert who has experience in seafile open-source project customization. We need to update the frontend of the site, the XD design is ready. Should implement both web and mobile pages, so responsible design experience is a plus. Details via chat, thanks.

    $599 (Avg Bid)
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    I have a project that is in the initial stages. You must know how to work as a contributor on github. The project is in React tailwind. You only need to add content on the website. The content I will provide. The deadline is 3 days. Only bid if you can start now.

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    i need to integrate airbnb api and booking api so my system will be able to fet information about orders

    $171 (Avg Bid)
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    We have a ready-developed project, just we need to build project with the bellow 1)Build a project 2) Add Security 3) Build package (install another system on one client )

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    I need to build a SaaS based website which will have online image editing tools. I need a frondend developer for this work. The website will have a landing page with description of all tools in cards. Later, use can navigate to specific tool and do his work. I will be needing support for login, payment. The technology used should be react and nextjs. The developer should be conversant with authentication, email setup and should have basic aws based cloud technologies.

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    React developer 5 days left
    VERIFIED

    We are looking for a senior React developer to work closely with our business over the next 3-6 months to complete the development of a Inventory Management solution. We have all the backend APIs already being developed, but experience of integrating with external APIs from a React application (wrapped in .NET) will be required.

    $29 / hr (Avg Bid)
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    Figma to React? 5 days left
    VERIFIED

    Can you make react frontend webpage from a Figma

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    I need to Convert Library from Class components to typescript & functional components

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    Develop, together with the front-end developer, the back-end of a shopfront. Based on Angular with react components. Please read attached document. Freelance position is hybrid/remote. Freelancer will need to come to our offices at agreed times, so they have to be Gauteng based.

    $19 / hr (Avg Bid)
    Local
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    31 bids

    Develop, together with the front-end developer, the back-end of a shopfront. Based on Angular with react components. Please read attached documnet. Freelance position is hybrid/remote. Freelancer will need to come to our offices at agreed times, so they have to be Gauteng based. Address: Katherine St &, Centex Cl, Strathavon, Johannesburg, 2196

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    Need a Full Stack Developer for a project who has experience over 3 years. Kindly check the attached file to know more about the project. Qualifies skills are given below: 1) PHP 2) CMS 3) MYSQL 4) REACTJS or Angular JS 5) Full time remote work 6) Salary will be negotiable 7) Paid test task should be passed Please knock us for more details. Don’t forget to add your best works in Full Stack PHP. Thanks

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    I am looking forward a react.js developer. I want to implement animation blocks in react-spring like following site.

    $166 (Avg Bid)
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    The website portal allows lawyers to create a profile so they can offer their services. The purpose is for law firms to get in touch with them for their work. The design has been done in figma (front end and back end will need to be developed). Any design issues, will be designed by my own designer. Requirement Latest platform (not in wordpress) Good search function/ Fast loading Good database Good messaging system (e.g. email) The website need to be fully developed e.g. to up load to hosting company, message system to be working - complete finish product. Possible technology: React/Node js (not WordPress) The quote is the amount available. Please bid only if you can meet this budget. 1- 2 Months build time Thank you

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    MERN stack 5 days left

    The main purpose of using MERN stack is to develop apps using JavaScript only. This is because the four technologies that make up the technology stack are all JS-based.

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    The ideal candidate is self-motivated, multi-tasker, and a proven team player. Become a lead developer responsible for developing new software products and enhancing existing ones. Must be good at working with large scale applications and frameworks and have good communication and leadership skills. responsibility) Write clean, high-quality, performant, and maintainable code Software development and support, including applications, database integration, interfaces and new enhancements Coordinate across departments to ensure projects meet business objectives and compliance standards Support testing and deployment of new products and features Participate in code review Qualification) Image analysis, image processing development experience, and those who are suitable for microscopes 3+ yea...

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    Mining Pool -- 2 5 days left
    VERIFIED

    Looking for an experienced BITCOIN blockchain, web developer / coding partner that can create (from the ground up if necessary) a new unique secure bitcoin mining pool. I am not looking for a replica of any existing open source pools that currently exist however, the source code can be used from such open source code to create this new pool with the full understanding that the code must be fully tested for bugs and security holes. Emphasis on secure. 100% SOURCE CODE MUST BE MADE AVAILABLE DURING THIS ENTIRE PROJECT Key targets that must be met during this project are: 1. Continued development must be factored in. Long term partnership not a one off job. 2. Source code must be made available for 3rd party security audits. 3. The Pool must run on the most recent version of Ubuntu. 4. Mi...

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    Front end development for a webpage with a lot of html animation

    $492 (Avg Bid)
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