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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    We need an expert React/React Native developer to help in fixing of issues in the existing app.

    $142 (Avg Bid)
    $142 Snittbud
    11 bud

    We are a financial service-based company, and we need an experienced developer/team in GO to work on complex tasks. Our requirements: 1) Highly experienced in GO, JavaScript programing languages, 2) Highly experienced in MySQL / PostgreSQL (Aurora Databases), 3) Highly experienced ReactJS, 4) Experience in business processes. (The projects that the developer will work will be about business processes like purchases, sales, inventory etc.) 5) Experience with AWS services like Lambda, Cognito, Api-gateway, Code commit, ci/cd etc. 6) Strong problem-solving skills and understanding of the key issues in projects. 7) Other important skills The developer will work on our AWS environment and will have all the right tools, documentation, logic, and support to complete the project. To check furth...

    $8012 (Avg Bid)
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    17 bud
    Build a Storybook.JS component 6 dagar left
    VERIFIERAD

    Building a component have to do pair-programming.

    $21 (Avg Bid)
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    18 bud

    We are a startup building a product and looking for a full stack developer - .net core backend, react.js with typescript frontend. As a first project and to decide if you will be our developer for the long run, we want you to create a settings page for our product. see attached screen shots for what you need to develop. the product is in the infrastructure/storage management, so for the settings page you would need: 1. build the UI of the page 2. allow to add infrastructure/storage 3. send the when adding/updating/deleting send it to a .net core backend (use CQRS method and separate select and updates) and save in postgresql db

    $19 / hr (Avg Bid)
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    27 bud

    Looking for Software Developers with expertise on below: Front-End: -React + Bootstrap, experience with NextJS Back-End: -Experienced in microservice based architecture -Asynchronous messaging models (RabbitMQ or Kafka) -NestJS, MySQL, RabbitMQ

    $22 / hr (Avg Bid)
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    49 bud

    We have an existing analytics website that has 10-20 different pages that are all analytics driven. We have a ReactJs + TypeScript front end that was built using Create React App (no WebPack etc, no redux). We use a GCP FastAPI backend with BigQuery and Firebase as data bases. Front End talks to the BigQuery based backend for analytics data, does some complex operations on the frontend itself (like filters) and shows the data on the screen. We are having issues with extremely slow load times (15-20 seconds) on several pages, constant hanging etc. We need help with the following 1. Identify bottlenecks, understand context of the metrics, a. come up with suggestions to change the backend API contract if it is a backend b. improve the performance on the front end if it is a purely front end i...

    $14 / hr (Avg Bid)
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    28 bud

    Hi, I already have a website which is made with Bootstrap and Laravel for backend, We tried to go with new version and already had made the front end with react JS and we are actively looking for backend Laravel framework developers or we are okay to go with Node Js too. This version of our project includes Lead Gen for users and management from backend, Need to create API calls and integrate Mailing / SMS notications and other things which makes the process automation. Also Payment Gateway Integration needed to integrated. Also User dashboard and Admin dashboards needed to be done. Coming for the Front end, Pages needed to be created for some. The Landing page is ready and other services pages too are ready. Our project is a real-estate start-up. we are looking for Vizag based developers...

    $315 (Avg Bid)
    $315 Snittbud
    9 bud
    project in blockchain 6 dagar left
    VERIFIERAD

    need to choose one of the option first one: Development of multicurrency (2 different coins is enough) HD wallet, allowing a set of standard wallet operations (create/restore account, check balances, send signed transactions). a. Implementation – HTML, JS. b. Must use shared nodes (recommended API - ) ******* Second option: Development of system for elections, based on ETH smart contracts a. Implementation – Solidity, HTML, JS b. Deployment – ETH Ropsten

    $146 (Avg Bid)
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    20 bud

    el proyecto consiste en el desarrollo de una plataforma nueva, un Startup

    $476 (Avg Bid)
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    21 bud

    We are looking for freelance expert who can work an a specific set of agenda to explain and deliver it's outcomes

    $521 (Avg Bid)
    $521 Snittbud
    16 bud
    need MERN Stack Developer 6 dagar left
    VERIFIERAD

    Need MERN Developer, He should extend my MERN Applikation

    $147 (Avg Bid)
    $147 Snittbud
    77 bud
    MERN DEVELOPER - 6 dagar left
    VERIFIERAD

    There is an app in which registration is being done with the district and city. You have to enter state instead of district and district instead of city. 1. This app is connected with mongodb. 3. This data has to be connected like this (check in video link:) --> 4. As the district and city are working in this video and in the same way the two new fields that will be created will also work like this. STATE--> DISTRICT Technology used : FRONTEND : react.js, BACKEND : , DATABASE : mongodb

    $14 (Avg Bid)
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    11 bud
    REACT JS/Next JS PWA DEVELOPER 6 dagar left
    VERIFIERAD

    We need a react JS/Next JS - PWA developer for a common code application.

    $5 / hr (Avg Bid)
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    24 bud

    i have a crm software, want to add an additional features in the software.

    $3 / hr (Avg Bid)
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    24 bud
    ReactJs. Reactnative, expo 6 dagar left
    VERIFIERAD

    I need a developer for taxi Booking App, jiske expo, reactnative, reactjs aati ho, accha experience wala developer chaiye

    $237 (Avg Bid)
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    16 bud

    Job Description : Develop reusable patterns, practices, and reference architectures through research, Proof of Concept builds and collaborations with Innovation and engineering teams. Provide consultation to teams on the tactical application of reference architectures and the strategic direction of enterprise technology. Interact with executive level leadership from business and technology. Communicate roadmaps towards the delivery of highly complex solutions. Communicate technology strategy to leaders and knowledge workers via roadmaps, conceptual diagrams and solution documents. Hold collaborative meetings with technologists and business people to identify opportunities for innovation. Using independent research and analysis of industry and technology trends, provide actionable ideas ...

    $21 / hr (Avg Bid)
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    15 bud

    Work Time: 8Am - 5Pm (GMT) We are looking for a React developer who is proficient in React.js & Node (Preferable). Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities: - Developing new user-facing features using React.js - Building reusable components and front-end libraries for future use - Translating designs and wireframes into high quality code - Optimizing ...

    $8 / hr (Avg Bid)
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    74 bud
    Apache Superset Tool Customization 6 dagar left
    VERIFIERAD

    We are looking for someone who can help us in extending the functionality of the tool. Ideal candidate should have Flask and React experience . Past Superset experience will be an advantage.

    $569 (Avg Bid)
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    20 bud

    i want a react a native developer of an native app .

    $4 / hr (Avg Bid)
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    21 bud

    I need a python developer to help us integration of web hook in our application.

    $88 (Avg Bid)
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    16 bud

    I am looking to get done with a basic webapp (essentially 4 webforms) in ReactJs/material UI. Backend APIs will be provided. Please check pdf for exact spec.

    $126 (Avg Bid)
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    78 bud

    I want someone who can build website for my Saas product which should very detailed and user friendly. Something which is very similar to bigpanda and moogsoft websites. Who also can do good logo designing for my product

    $116 (Avg Bid)
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    73 bud
    WEB MOVIL PARA MENU DE RESTAURANTE 5 dagar left
    VERIFIERAD

    Necesito una Web App para crear un menú de un restaurante en base a un prototipo de JustInMind y un editor (que puedas crear , modificar o eliminar un platillo desde la Web app) de ese menú que pueda ser utilizado por el restaurante para actualizar su menú y crear nuevos platillos.

    $761 (Avg Bid)
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    36 bud

    Work Time: 8Am - 5Pm (GMT) We are looking for a React developer who is proficient in React.js & Node (Preferable). Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities: - Developing new user-facing features using React.js - Building reusable components and front-end libraries for future use - Translating designs and wireframes into high quality code - Optimizing ...

    $8 / hr (Avg Bid)
    $8 / hr Snittbud
    81 bud

    We are seeking a highly skilled and experienced Web Developer/Programmer to build a web-based platform for a database service. The ideal candidate will have a strong background in web development and programming, with a particular focus on building scalable and secure applications. Responsibilities: Design, develop, and maintain a web-based platform for a database service using Google Firebase. Work closely with stakeholders to gather requirements and ensure the platform meets their needs. Write clean, maintainable, and scalable code using JavaScript, HTML, CSS, and other relevant technologies. Implement data entry forms and user authentication features to allow users to enter and manage their data securely. Ensure that the platform is highly secure and protected against potential se...

    $32 / hr (Avg Bid)
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    48 bud

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

    $14 (Avg Bid)
    $14 Snittbud
    20 bud

    Work Time: 8Am - 5Pm (GMT) We are looking for a React developer who is proficient in React.js & Node (Preferable). Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities: - Developing new user-facing features using React.js - Building reusable components and front-end libraries for future use - Translating designs and wireframes into high quality code - Optimizing ...

    $8 / hr (Avg Bid)
    $8 / hr Snittbud
    55 bud

    i want mobile and website for real estate agent i want agents can login and sharing profile and and posts and every agent have own dashboard and every agent have own profile link ______________________________________________________________________________ node js react js next js amazing UI & UX flutter mango db

    $2497 (Avg Bid)
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    174 bud

    Hello, I am looking for a long term freelancer who is specialized in React, JavaScript and Node.js. TypeScript is a plus. And you should be avaliable to work at least 6 hours per day. Thank you for reading my project description, and I will provide more in detail. Best regards.

    $7 / hr (Avg Bid)
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    94 bud

    Hi Developers. Have a nice weekend. I am going to build simple React Social API has login functionality. If you are an expert in this field, contact me today Thank you

    $25 (Avg Bid)
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    22 bud

    Our team is looking for a full stack engineer to help us build the future of learning! TIL () is a live social platform where passionate people go to get inspired, learn, and create. Creators use TIL to teach live interactive courses and build communities. We're looking for a product engineer who can own features end to end. We have a modern tech stack and care deeply about developer experience: - , deployed on Vercel - React - Typescript - Tailwind CSS - TRPC for data fetching - Prisma - Planetscale If you're familiar with the Create T3 Turbo stack, you'll feel write at home in our repo: We have a bunch of projects ready for someone who can jump in and start coding. You'll be given Figma designs, a technical specification, and staging data so you can start right aw...

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    This project is to create UI Components using Nativebase library using a PNG File as the mock up. The Nativebase library will be used on regular Create React App Web project. The UI Components should be response and should not use any HTML. Only Nativebase components are allowed. The project is for for 10 screens. Sample screen will be provided on request.

    $472 (Avg Bid)
    Sekretessavtal
    $472 Snittbud
    7 bud

    We are looking for full stack web developer having relevant experience in React, Django and SQL.

    $94 (Avg Bid)
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    16 bud

    The aim is to develop a website that is similar to freelancer.com. The website will have two arms, one for professionals and the other for non-professionals. Service providers can also be service recipients. Expected technology: Django for the backend and React.js for the frontend

    $2895 (Avg Bid)
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    100 bud

    I have a lottery contract where everything works ok except the part that when someone wins and withdraws the amount of the winning, that value never gets reset. This is the code: const handleWithdrawWinnings = async () => { const notification = ('Withdrawing your winnings...'); tokenPayment([lastWinner, BigInt(winnings * (10 ** undoDecimal / 100))], { onSuccess: async () => { try { await withdrawWinnings([ tokenAddress, lastWinner, winnings, {gasLimit: "1000000"} ], ); ('Winnings withdrawn successfully!', { id: notification }); } catch (error) { ('Whoops! something went wrong!', { id: notification ...

    $24 (Avg Bid)
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    18 bud

    There is an app in which registration is being done with the district and city. You have to enter state instead of district and district instead of city. And two new fields are also to be created Tehsil and Village. I will give you Indian State,District,Tehsil,Village file which you need to store in db and it will work like this: video link 1. You have to add 2 fields in React frontend code 2. This app is connected with mongodb. You have to store data in it only 3. This data has to be connected like this (check in video link:) --> 4. As the district and city are working in this video and in the same way the two new fields that will be created will also work like this. STATE--> DISTRICT--> TEHSIL --> VILLAGE Technology used : FRONTEND : react.js, BACKEND : , DATABASE : mongo...

    $14 (Avg Bid)
    $14 Snittbud
    19 bud

    YOUR BID PRICE IS FINAL## NO LATER CHANGE IS ALLOWED## I DON'T DEAL OUTSIDE FREELANCER## PLEASE WATCH THE ATTACHED VIDEO FIRST I need an experienced programmer who can build me an interactive worksheet system where users can register/login and then can upload files of docx, PDF, JPEG, PNG system to make interactive worksheets as per the attached video. Features like adding image, short answer/long answer box/drop down/radio/adding image, hyperlink, audio, video, comments in particular place, preview etc to be there. It should also have auto-checking and scoring system and sharing in Soc ial media system as well as email sending system and should be able to embed worksheet as iframe. Each worksheet created should have unique URL for sharing. I need full source code, co pyr i g ht and i...

    $62 (Avg Bid)
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    4 bud

    The React Native App is 90% done, some navigation issues need to be fixed. We use Context to manage user info. Render sidebar dynamically according to whether user is logged in or not. To handle this task successfully, you need to have good knowledge of React Navigation: No code can be sent to you. You have to work remotely with me via 【TeamViewer】.

    $23 (Avg Bid)
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    11 bud

    I want someone to build a website for my fashion design company in react js framework

    $84 (Avg Bid)
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    44 bud

    I have bugs in my react app and want to host it freely. Urgent need: To be completed by Tonight or Morning 9 am tomorrow

    $22 (Avg Bid)
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    13 bud

    We have workflow for our MVP. We are looking for a talent who can work from UI design to development. Our reference website (good design I think) is

    $664 (Avg Bid)
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    31 bud

    We're looking for an experienced MERN stack developer to join our team as a freelancer and contribute to the development of a cutting-edge booking application. The successful candidate will have a passion for delivering high-quality software solutions and the ability to work independently to achieve project goals. Responsibilities: Participate in the design and development of a booking application based on the MERN stack Write clean, maintainable, and efficient code Collaborate with the project team to deliver high-quality software solutions that meet client needs Ensure that all project deliverables are completed on time and to a high standard Requirements: Strong experience with the MERN stack (MongoDB, ExpressJS, ReactJS, NodeJS) Excellent problem-solvin...

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    21 bud

    Needs to hire 2 Freelancers CricketR+, is a registered corporation in Delaware with the CEO residing in San Francisco, California. We are seeking a highly skilled and experienced Principal Software Architect to join our AGILE team. The successful candidate will have a salary of $800 per month and the opportunity to work closely with the CTO on our plans to expand and translate everything into precise technical requirements with fool-proof and scalable implementations. Visit the website here at @ for more information about the product we are launching. Responsibilities: Lead a team of 12 junior and senior engineers, responsible for code reviews and ensuring deadlines are met. Act as a technical leader and delegate tasks effectively Develop and maintain mobile applications using Flutte...

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    I need 15 game web based 5 dagar left
    VERIFIERAD

    Now I am sharing you attachment please find & confirm me about cost of development & time line , development language, if you have develop in web based please let me know .

    $4418 (Avg Bid)
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    22 bud

    I just need a simple and with food user initerference website and we will talk other things in inbox

    $13 (Avg Bid)
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    14 bud

    Im searching for great counsultants / developers for various projects within the system integration area, business solutions and e-commerce. let's get in touch and discuss your skills and our different tasks. to mention. We work with integrating ERP, CRM, Ecommerce, timetracking, projectmanagement, ie. If you are a specialist within the above area, and used to tools such as Integromat / make, Hubspot, Clickup, will be super cool too

    $23 / hr (Avg Bid)
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    41 bud

    Build online jewellery store, smooth and minimalistic design. Reference:

    $781 (Avg Bid)
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    58 bud

    Require Developers to built Sports Exchange Integrated with API Casino integration required as well

    $1813 - $3021
    Försegla
    $1813 - $3021
    20 bud

    By uploading a screenshot or a sketch file, AI recognizes following: structures, types, sections, elements and almost all their styles. Based on that data it generates the final HTML CSS code just in a few minutes

    $171 (Avg Bid)
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    Developers required with experience of Betfair and Sport exchanges

    $250 - $750
    Försegla
    $250 - $750
    10 bud

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