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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    YOUR BID PRICE IS FINAL/NO LATER CHANGE IS ALLOWED. I DON'T DEAL OUTSIDE FREELANCER. PLEASE CHECK ALL THE ATTACHED VIDEOS FIRST. I want to build just two features : should be a collage maker system just like this website Should be able to download high-res in JPEG/PNG. You need to add some templates and show me how can I add more. See: 2. Image background remover in one click User Uploads a picture, click on the Background Remover Button, background gets removed. User downloads as PNG or JPEG. User should also be able to add a new Background. Please check attached video. You cannot use any PAID API/Library/Plugin. Only open source allowed. See: Using these GitHub libraries is not compulsory. You can choose yours. I need full sourcecode and co py ri ght of code and you nee...

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    Its simple matrimony website like other Technology must be FrontEnd: React , Backend:Node.js ,Database: Mongodb

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    I would like to have a website and mobile app for selling course and exam service online via website or mobile app. Please refer to Udemy for amount of the work.

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    need support for my project 6 days left
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    influxdb and reactjs.....................................

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    AI Based Web Portal 6 days left
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    AI Based Web Portal to be delivered by efficient teams. Details to be discussed in pm. Thanks Denisa

    $10 - $1800
    Sealed
    $10 - $1800
    39 bids

    I am thinking about DAO. I am not a developer and have no knowledge about DAO. My company just read this article and wanna build that. Please tell me what I should need in your proposal and quote that. Welcome. I am negotiable for the budget

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    Need a react single page. Need a page with some text/ image content and a form with an included calendar. Maybe include an API but will give more details later. Please include in your bid message: Monkey

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    React JS Project 6 days left
    VERIFIED

    5 components has to be built in React JS framework Image of a sample page is attached A login flow for registration and authentication

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    Need JavaScript worker knowing react node to join team for 5-6 hrs daily

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    This is for a prototype...a minimum viable product that I can demo to investors. This project is to complete frontend development for 3 screens of a web application. Additional work includes a cheap database connected to the frontend that is populated with dummy data so I can demo the application. I need to be able to easily change this data. Will use this React theme: Please submit your portfolio so I can evaluate your previous work. Interviews will be conducted via Zoom/video conference and I will present the Figma design. An NDA must be signed for access to the Figma board.

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    Looking for a developer who can add web3 functions on such as displaying wallet info into a 2D RPG game environment. Project is on Solana.

    $2554 (Avg Bid)
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    Hello! We need someone to build the frontend (prefer React) for cryptocurrency exchange with basic functions only for the 1st version. We are going to use the backend provided by a third-party provider and use their APIs so the developer will basically have to integrate those APIs into our frontend. We do not have a design ready but we can buy a template that exists already to fasten the process as the time is of importance. Please check this for API info -

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    A startup that develops and sells image analysis web applications ,develop of microscope hardware, in the medical, life sciences, and industrial fields. The technologies I want are react, vue.js, fast API, python, java, json, docker, azure, image processing, Qt, c++, u-net, caffe, tensorflow, image analysis and deep learning, and so on. We want developers who are collaborative, communicative, and responsive. The working time zone depends on JST. We are looking for friends who can sympathize with our philosophy. Also, there are many applicants who do not respond faithfully to this question, so please be aware that we will not hire such applicants.

    $72 / hr (Avg Bid)
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    We have already DApp which is based on Ethereum. But we want to redesign some frontend pages. Our site is live now. It is urgent. If you have not following skills, DON'T BID. You need following skills. -DApp and solidity -NFT and ERC standard -React js -high web design skill -analyze website -credit !You must suggest website url that you have done! At first we will test you and if you pass the test, we will keep in touch with you. ************************************************** If you are not auto, please write "I am a happy developer." on first line of your bid.

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    Required Experience: • Production Linux system administration (GCP cloud systems a plus) • publish/subscribe messaging (MQTT preferred) • docker+kubernetes (Locally hosted Kubernetes a big plus) • automated deployments+ CI/CD (Preferred GitLab, others okay) Nice to have: • application and server certificate management • API service development • HPC cluster job management Describe your experience managing Linux systems, both on-premise and in the cloud. In what types of projects have you used publish/subscribe messaging, and what advantage did a pub/sub system provide? Why would an organization use Kubernetes hosted locally vs. a cloud service provider's offering, and what are the biggest advantages to hosting containers via cloud kubernetes infras...

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    YOUR BID PRICE IS FINAL/NO LATER CHANGE IS ALLOWED. I DON'T DEAL OUTSIDE FREELANCER. PLEASE CHECK ALL THE ATTACHED VIDEOS FIRST. I want to build just two features in this tool: should be a collage maker system just like this website Should be able to download high-res in JPEG/PNG. You need to add some templates and show me how can I add more. See: 2. Image background remover in one click User Uploads a picture, click on the Background Remover Button, background gets removed. User downloads as PNG or JPEG. User should also be able to add a new Background. Please check attached video. You cannot use any PAID API/Library/Plugin. Only open source allowed. See: Using these GitHub libraries is not compulsory. You can choose yours. I need full sourcecode and co py ri ght of code...

    $143 (Avg Bid)
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    We need an awesome Java developer to help us with our gaming application, this will be full-time work. Only real developers apply no fake accounts

    $13 / hr (Avg Bid)
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    25 bids
    mintdapp edit/fix 6 days left
    VERIFIED

    Need edit/fix my mintdapp, small budget

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    I am looking to develop an API product that allows anyone to create a viral waitlist, similar to this: I'm looking for someone who can help with the following: 1. Develop an easy, lightweight tool to quickly set up a waitlist (my target customers are new tech projects, ecommerce websites) 2. Users should be able to integrate with our simple one-endpoint API or use our no-code tools. (The example site I showed you supports Webflow, Squarespace, Zapier, and more.) Would be great if I can add this tool to app/plugin stores on Shopify, Wix, and WooCommerce. 3. There will need to be a user dashboard with login function where users can track and manage signups, referrals, rewards, integrations, and customize their widget. 4. Will probably need a separate admin panel for myself to oversee ...

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    Need React/Node JS Developer 6 days left
    VERIFIED

    We have a stack of products that we have already built and going to build in React & Node JS. Hence we need a developer who will work with our existing team to contribute on it. A developer needs to be proactive, should have 3 years of experience in react and node. Should be able to apply standard methodologies/practices/trends in development. Should we able work with the team in daily stand-ups, communicate the progress of the work/ challenges if any very well.

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    We need an experienced React and Node developer ideally from Ukraine. technical skills required : real estate NFT Blockchain Metaverse React.js Node.js Map-box maps library TDD, Kubernetes smart contracts BEP-1155

    $8538 (Avg Bid)
    Urgent
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    react developer -- 2 6 days left
    VERIFIED

    looking, react developer i have issue on my code need to fixed it

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    I need a reactjs+ python full-stack developer for a project to build pages and do integration with python API and MongoDB / azure cosmos DB (NoSQL). The system is built on react js UI, python in API, and Mongo DB /CosmosDB as Database (NoSQL) This will be 2 weeks short commitment. Will pay per hour or per day

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    I need react js developer with firebase knowledge. I have created a CRM project which stores employee details. I need to fix small issues on daily basis. Issues will be small fixes like fixing auto increment of employee id, and map responsiveness. Daily 3-4 fixes expected. The developer will work daily, complete fixes, and should be available to show a demo. Please its request , only professional devs who are serious to deliver work on timeline should apply.

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    Looking for a Senior Full – Stack Developer (ReactJS, PHP, NodeJS). Project / Company Description: The company makes one-click upsells for Shopify stores. Tasks: The developer should be able to offer some leadership to the mid-level development team from India. Key Requirements: • 5 years of experience as a Full - Stack developer; • Excellent knowledge of ReactJS, PHP and NodeJS; • Good knowledge of MySQL; • Experience in developing and refining mobile applications If you are interested in the project, please tell us in an email about your previous experience.

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    Looking for a Senior Frontend Developer. Project Description: Building a small core-configuration-UI, which will be loaded by plugins-configuration-ui instances of various E-commerce shops. Tasks: • 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 components for maximum performance across a vast array of web-capable devices and browsers Key Requirements: • Strong proficiency in React.JS; • Typescript; • HTML, CSS/SCSS; • ViteJS (or understanding of similar tools, e.g. Webpack); • Test driven development with Jest; • Git/CircleCI; • Experienced in web app development with AWS; • Engl...

    $20 / hr (Avg Bid)
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    Looking for a Middle+ Full-Stack Developer (ReactJS/ NodeJS). Project Description: 3 months project to help a start-up launching their product. Tasks: • Development of new and maintenance of current functionality; • Participation in the full software development cycle; • Solving current tasks Key Requirements: • 4 years of experience as a Full - Stack developer; • Excellent knowledge of ReactJS, NodeJS; • Good knowledge of Typescript, ; • Experience in developing and refining mobile applications If you are interested in the project, please tell us in an email about your previous experience.

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    We are looking for an experienced Senior Software Engineer with 4+ years’ experience in web and mobile development to join a growing team with some very cool cutting-edge cloud-AI technologies. Tasks: • Writing clean, high-quality, high-performance, maintainable code; • Develop and support software including applications, database integration, interfaces and new functionality enhancements; • Coordinate cross-functionally to insure the project meets business objectives and compliance standards; • Support test and deployment of new products and features; • Participate in code reviews Key Requirements: • Experience as a Senior Software Engineer for at least 4 years; • Excellent knowledge of Frontend - ReactJS, Backend - NodeJS; • Understanding o...

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    * .Net Core, ASP.Net MVC, Web and Desktop Apps , C#, VB) * Php, Laravel, Code-Igniter * Node JS, ReactJs, Angular, Vue, TypeScript, Angular, JQuery, Ajax * Mobile (Android, iOS App(iPhone, iPad) , React Native, iOnic) * Database(MS SQL, MySQL,MongoDB, PostGreSQL)

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    I need an e-commerce website to run my business online. In this website I need basic functionality like registration, login, find product, view product details, add products to cart and order products etc. And this website also has admin panel for maintaining product, users and order. User side functions: - Registration / Login - view all Products - view single product details - add products to cart - create order Admin side functions : - Login for admin - Create and edit products - maintaining users. - maintaining all orders. This website should have simple ui and this website must be full responsive for all type of devices.

    $224 (Avg Bid)
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    I need a website builder and designer for my new website project anyone available and interested kindly get back to me I am looking for one web developer to build a simple but professional demonstration website on eCommerce for business -It should be compatible with mobile phones and computers. -Further details will be shared with the appropriate freelancer. Freelance should have experience in e-commerce, and it should have completed at least two similar projects.

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    We are seeking an expert in the tech industry to collaborate with to help create our exciting new VoD courses. The curriculum will involve teaching the following: - Intro to Javascript React (beginner to intermediate level) - Javascript React practice drills based on the curriculum - Javascript React cloning projects based on the curriculum (ex. cloning twitter, E-bay, Netflix, Uber Eats, Airbnb, Instagram) Role: 1. Review a pre-made course outline, give feedback, and submit course proposal (approx. 2-3 hours work). 2. Work with our team to create curriculum based on Javascript React (approx. 6 hours work). 3. Go to a production studio (in person) and film the created content. All production costs covered by the company. Note: We have production studios in various locations in the US. ...

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    Hi There...!! I am looking for someone who can design the website and mobile front-end. Please share your work samples. This is the website homepage link

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    We required a blockchain developer who can develop REST API to consume the smart contract in our frontend application New Freelancers are welcome

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    I need a website builder and designer for my new website project anyone available and interested kindly get back to me I am looking for one web developer to build a simple but professional demonstration website on eCommerce for business -It should be compatible with mobile phones and computers. -Further details will be shared with the appropriate freelancer. Freelance should have experience in e-commerce, and it should have completed at least two similar projects.

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    I have a react & next website. You have to fix 30 buges in this website.

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    SMTP Configuation on Node.js 5 days left
    VERIFIED

    Looking for expert developers' experience in configuring SMTP for a Node.js project with react as frond-end.

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    Idea behind this project is to buy and sell second hand books (at college level).I have used React for frontend & redux for state management, Node JS & Express for backend with MongoDB as database. I have completed my project but only stuck in implementing "Sell" feature for indivisual user. I want a seperate dashboad for every user where they could see PRODUCTS created by them and ORDERS they got untill now. Also the payment should be redirected to the owner of that product. Seeking for someone who could add that feature in my project. My project github link is :

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    Hello I am looking for a good person who is having real time exprience in React or Angular or Javascript. Who can explain each and everything by making a project and include every concept in it. I will select for those who will be in my Budget and give at least 3-4 hours a day. Thank you

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    Looking for reactjs developer for longer term project. But it will be part time per week like 25-30 hours per week. Who is smart and keen to work on side project along with me please apply with in. Must have 2 year of expeirence atleast. and able to demonstrate previous project skills. I'm happy to pay for hourly. its AUD 16-18/hr and can negotiate experience.

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    reservations app 5 days left

    reservations system with two type of user 1. first user can make a rent for his place 2. second user can make a reservation for the place of the first user the place: location as google url, photos for the place, price for one night, weekday, weekend or special days (new year day …eg), available days according to the reservations system payment gateways OTP for users mobile number ( by sms ) notification for each user while getting response (reservations statement) sending invoices for each user PDF by SMS FOR THE SMS AND PAYMENT GATEWAYS I HAVE ALREADY I WILL GIVE THE API 1. backend with java 2. dashboard to control users and reservations and payment history for each user (angular or reactjs) 3. react native apps

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    I am looking for someone to build an advanced table somewhat similar to airtable. The project is currently using data grid pro on the Material UI library. Please send me something that you have done about this topic.

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    We are an academic research team at HonorEd Technologies Inc. We have built an open-source, online experiment pipeline. More information at: We are looking for multiple web developers to directly work with our research lead. This system is used to manage our research team through micro-tasking, a voting system, and a point system, recruit participants, match researchers and participants, schedule experiment sessions, send reminder emails, conduct our controlled experiments, collect and organize the data. We have already developed this open-source research platform available at that we're going to continue its development and expansion. Note that this is a completely open-source project under Apache 2.0 You can find the full description of the project in the README .md file in the Gi...

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    Need additional front-end capacity for development of a web application for a client. Candidate must have 3+ years of experience working as a React.JS developer and with total experience of more than 4+ years into UI or .NET. Good experience of TypeScript is a must. Work with India based development team to complete assigned front-end development work in Agile-Scrum methodology.

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    Dear Developer We’re looking for a talented developer that has a lot of experience using and the Art side of development in general. We have a blender file that has all of our models/textured/some animations..etc So we have everything for you needed to make our site. What we need from you is the following concepts: VERY IMPORTANT TO KNOW THESE CONCEPTS VERY WELL:: Lazy Rendering Optimization of Poly/Triangle count(during render/display) Animate objects/Texture them using our .blend file, you will need to figure out how to export the .blend file and move all models/things to environment We need the Camera Angles nicely done Here is a sample site of what we’re looking for(remember we provide all models/assets): We will have 8-10 maps that should be rendered like that s...

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    Role is for project delivery to various clients across the US / Remote position. Seeking a Full Stack Software Engineer to support our Web and Mobile Software engineering efforts for domestic and international enterprise customers. This role joins a dynamic team that enjoys working with complex applications and products that utilize software, GIS, engineering, and problem-solving skills. Your duties and responsibilities will include: • Design, development, unit-testing, maintenance, enhancement of products adhering product architecture • Implementation of automated testing • Configuration management, management of builds, and creation of installers • Technical documentation of software design

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    Hello, everyone! I am looking for help to add some features into a frontend web application. I will share the full requirement to a candidated developer. Thanks.

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    I need help adding some features to a frontend of web application. You will be building the Site-Wide Warning bar along with an admin console for administrators of the app to be able to turn warnings on and off or change them as necessary. Please reference the prototyped mock ups at this Figma link to get an understanding of how the interaction should work on completion.

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    Get a list of contacts or friends from facebook, twitter, linkedin, whatsapp and tiktok and use social media APIs to send messages through social networks. 1. Anyone can obtain a social media account ID and access token using the 3-leg authentication and authentication module. 2. Use accesstoken to get a list of contacts or friends and send a message. # This logic should work on facebook, twitter, linkedin, whatsapp and tiktok. Used to apply for advertising recommendations through social media. reference link Facebook :~:text=How%20can%20I%20find%20someone's,on%20this%20social%20media%20platform. Linkedin Send Contacts (linkedin ID) Instegram Send & Contacts Twitter Send Contacts Whatsapp Send Contacts Tik tok Different share videos Linkedin 3 leg authenticat...

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    Need to integrate ROS application api with a url

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