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.

264220 értékelés alapján az ügyfelek 5-ből 4.84 csillagot adtak nekik: React.js Developers .
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    Related to react, redux, typescript

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    Mern Stack Developer -- 2 6 nap left
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    Mern Stack Developer Required Now

    €5 / hr (Avg Bid)
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    16 árajánlat
    Mern Stack Developer 6 nap left
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    Mern Stack Developer Required Now

    €5 / hr (Avg Bid)
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    11 árajánlat
    web based security camera 6 nap left
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    looking someone to create a web server to access two way audio security camera

    €104 (Avg Bid)
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    3 árajánlat
    mern developer needed urgnetly 6 nap left
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    Looking for mern developer to complete a task urgently in next 24 hours

    €146 - €437
    Rejtett
    €146 - €437
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    Hi we are looking for single laravel or react developer for a website similar to bookmyshow. Need admin panel, Front end, iOS and Android App, Payment gateway, Must include all the necessary things. fees is non negotiable.

    €1345 (Avg Bid)
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    <<READ CAREFULLY BEFORE TO APPLY: - WE ARE HIRING NEW DEVELOPERS TO JOIN OUR TEAMS Conditions: 1/ You are EXPERT or REACT.JS EXPERT 2/ You work with GRAPHQL 3/ You able to create FEATURES (API) for DATING WEBSITES 4/ You ready to start asap for a Long term job 5/ YOU ARE READY TO WORK BY SHARING YOUR SCREEN USING REMOTE TOOLS DURING YOUR SHIFT 6/ long term contract BID on MONTHLY BASIS SALARY ONLY ! 7/ You are able to work with team of developers -REMARK1:WE ARE NOT INTERESTED IN AGENCIES OR BROKERS REMARK2:- IF YOU REPRESENT A COMPANY DON'T APPLY - IF YOU ARE BROKER DON'T APPLY - IF YOU ARE NOT A DEVELOPER DON'T APPLY IF YOU ARE COMFORTABLE WITH ABOVE TERMS AND CONDITIONS THEN APPLY!!! REQUIRED SKILLS: EXPERT and/or REACT.JS EXPERT using GraphQL (live projec...

    €1580 (Avg Bid)
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    Hi All, I'm looking for a dev to implement a feature onto our platform. The feature we require is essentially a text editor (similar to a word doc) where functionality such as: - font adjustments both size/colour - bold, italicise, underline etc - the ability to export the text in PDF/DOCx (word) format. The requirements for this role are: - JS React - Stripe - Firebase Please only reach out if you are confident in the above areas and if you are successful on this initial task, there will be a high volume of opportunities for you to continue improving our UI. Thank you beautiful people!

    €22 / hr (Avg Bid)
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    ReactJS Issue 6 nap left
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    I am having an issue with SyncFusion Autocomplete component and API integration on a ReactJS project

    €21 (Avg Bid)
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    Automatic upload function from the web management screen to the facility's Google Business Profile (GBP). A function that allows you to log in to the Google Business Profile for each facility and upload directly to the logged-in GBP. Also, at that time, the function that can be tagged.

    €127 (Avg Bid)
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    Need to fetch data and make logic into the chart, so that chart will dispaly according to the requirements.

    €18 (Avg Bid)
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    13 árajánlat

    I need support in complete Front End development using React JS. and BackEnd development in Spring Boot for a project where the Data base is already designed. Most of the Spring boot backend task will be calling the procedures and views to develop api's The Front End in React would be to render the data in the application and call api's on button click.

    €13 (Avg Bid)
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    I’m looking for website and mobile app development for my Car Rental business startup. We have around 30 cars for renting. The car rent in daily basis, weekly basis, monthly basis, and yearly basis. Please note that our business model is not the same with Uber or Grab. we are the company that have our car and our driver. We offer two types of car rental. The first one is car rental with driver and another one is car rental without driver. All car will be rented with full tank of gasoline and customer will have unlimited mileage of usage but they must return back the car with full tank of gasoline. Customer can select add-on accessory during booking process. That equipment will be charge in daily basis. One of the reasons that we want to build the app is to allow customer to input the...

    €1298 (Avg Bid)
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    React Node enhancement --- 6 nap left
    HITELESÍTETT

    1) Home page, need to change FrontEnd to nicely UI such as bgcolor, fontsize, some objects size adjustments (included map zoom in/out fix) 2) Home page, need to fix 2 charts data which currently show wrongly (Js, Sql script, Stored procs already) 3) another page of chart not actual data yet, (need to add Js, Sql script & Stored procs accordingly) 4) another project just home page of UI (remove mockup values & improve UI, frontend only) want to add on above 4 things in existing projects. FrontEnd : ReactJs BackEnd : NodeJs DB : MSSQL (your pc must have mssql, already installed) Budget : SGD50~60 max & currently only SGD TimeLine : 1 or 2 days (I want it urgent) If interest, pls contact. otherwise, pls don't waste time.

    €23 (Avg Bid)
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    This task is very simple and would take very less time, maybe a few hours, probably less. Backend has already been created but requires a minor update for login/signup page. Uses: ReactJS MongoDB GitHub Express Cloud/ Hosting (Heroku prefferred) ***SOURCE CODE FOR BACKEND AND LOGINS FOR MONGODB, HEROKU, & GITHUB WILL BE PROVIDED*** ***NEEDS TO BE COMPLETED WITHIN A DAY***

    €18 (Avg Bid)
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    PWA in reactjs 6 nap left
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    Desktop or web application is ready we need separate PWA completely responsive, need only frontend design only api integration we will handle at our end. Figma design link is available. For more discussion lets connect in chat, only reactjs experienced developers apply for project. Go thru all pages first some pages are almost same, make sure while placing bid amount and time required for development.

    €488 (Avg Bid)
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    Need full stack developer with more than 5 years experience in React.js, Java, Node.js. It need have knowledge in Linux server and MongoDB. Need real estate portal website that user and admin can upload real estate information on the site. It need to be able to chat between buyer and seller/agent. It need to be able to upload google map location on where the property. It need live chat with admin. Developer able to create database that picture and video will not be upload on the website but it will point to storage server to avoid heavy. It need to make the site mobile responsive and optimize the site. Each property can do it own SEO

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    I would like to create a multi vendor ecommerce store with as a backend.

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    I. need a site like the bible study or quran study sites. Front end, back end and design.

    €475 (Avg Bid)
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    YOUR BIDDING PRICE IS FINAL. NO LATER CHANGE IS ALLOWED. WATCH THE ATTACHED VIDEO. I need someone who can Edit a web app that can create a beautiful, stunning, attractive flipbook from a given URL or uploaded MS Word/Google Docs/HTML. Currently, it can only create flipbook from Image and PDF. See The site is built already. You just need to add the following features: allow embedding video (mp4), images in JPEG,JPG,PNG and GIFs, clickable URL link inside any page in flipbook. 2. Flipbook owner should be allowed to password protect and Email address protect the flipbook. Owner should be able to set password for protection and if used Email address system, then that email address used to open the flippbook should show in his dashboard for the flipbook. 3. Owner should be able to add ...

    €37 (Avg Bid)
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    Hi, freelancers we are looking for a senior react developer who can build our eCommerce project successfully. The right candidate must have strong acknowledgment and hands-on experience in react/redux. we wasted a lot of time because of beginners. I will hire one developer through testing of one-page building so our developer will check the structure and quality of the code Apply only if you are expert. Thank you

    €528 (Avg Bid)
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    the design should be as specified in the image you can use any package for creating the design. if i press on the +10sec it should increase the timer dynamically.

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    React.js - Custom Sales Workflow 5 nap left
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    THESE ARE THE QUESTIONS I NEED TO BE ANSWERED ABOUT YOUR SOLUTION. Product Pricing Questions 1) How will my team add new products and have the pricing adjustments based on the "TYPE" (4 options), "SIZE" (6 options), and "FRAME" (2 options)? 2) How will my team be able to add a discount if the customer buys both the picture frame AND the digital file? Sales Process Questions 1) How will your form read the pricing data as the customer selects options (see pages 11-14)? 2) When my team is done creating the custom images how/where do the upload those images? 3) After my team uploads the images they will email the customer a URL that looks like pages 26 & 27 - how will you enable the customer to pick the image and then pay? General Question 1) We will hav...

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    Looking for someone with experience in React & TypeScript. The work would be to maintain and bring to high standard a rather small code base that is growing rapidly, and ensures the website is dynamic for all screen sizes. Please provide your own improvement ideas for both the website features and code maintenance. I will provide my code base and discuss more detail with the right candidate.

    €452 (Avg Bid)
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    React Node enhancement -- 2 5 nap left
    HITELESÍTETT

    1) Home page, need to change FrontEnd to nicely UI such as bgcolor, fontsize, some objects size adjustments (included map zoom in/out fix) 2) Home page, need to fix 2 charts data which currently show wrongly (Js, Sql script, Stored procs already) 3) another page of chart not actual data yet, (need to add Js, Sql script & Stored procs accordingly) 4) another project just home page of UI (remove mockup values & improve UI, frontend only) want to add on above 4 things in existing projects. FrontEnd : ReactJs BackEnd : NodeJs DB : MSSQL (your pc must have mssql, already installed) Budget : SGD50~60 max & currently only SGD TimeLine : 1 or 2 days (I want it urgent) If interest, pls contact. otherwise, pls don't waste time.

    €22 (Avg Bid)
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    10 árajánlat

    We have a full stack application (React () frontend) and Node.js / GraphQL backend. We already have most of the application built. We just need someone to connect the Shopee API to our application. WE DO NOT NEED THE ENTIRE API. Here is the Shopee API documentation: We only need the ability to generate/refresh user access token and then use that token to fetch the users orders. We are looking for this work to be completed within about one week. We will hire someone within 24 hours of this post. We will ask you to provide your github username so we can invite you to our repository.

    €204 (Avg Bid)
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    Need to fetch data logic into the chart, so that chart will dispaly according to the requirements.

    €21 (Avg Bid)
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    26 árajánlat

    place a textbox in empty react native project

    €2 / hr (Avg Bid)
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    Sports Betting Site Development 5 nap left
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    Hello, guys. I need a Sports Betting software I need software similar to these: Thanks.

    €4283 (Avg Bid)
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    READ CAREFULLY BEFORE TO APPLY: - WE ARE HIRING NEW DEVELOPERS TO JOIN OUR TEAMS Conditions: 1/ You are EXPERT or REACT.JS EXPERT 2/ You work with GRAPHQL 3/ You able to create FEATURES (API) for DATING WEBSITES 4/ You ready to start asap for a Long term job 5/ YOU ARE READY TO WORK BY SHARING YOUR SCREEN USING REMOTE TOOLS DURING YOUR SHIFT 6/ long term contract BID on MONTHLY BASIS SALARY ONLY ! 7/ You are able to work with team of developers -REMARK1:WE ARE NOT INTERESTED IN AGENCIES OR BROKERS REMARK2:- IF YOU REPRESENT A COMPANY DON'T APPLY - IF YOU ARE BROKER DON'T APPLY - IF YOU ARE NOT A DEVELOPER DON'T APPLY IF YOU ARE COMFORTABLE WITH ABOVE TERMS AND CONDITIONS THEN APPLY!!! REQUIRED SKILLS: EXPERT and/or REACT.JS EXPERT using GraphQL (live project) SAL...

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    Need web designer and developer with more then 6 years of experience. Need web developer to work on chef booking website in React, Node.js, express. js . Website need to make it mobile responsive and integrate with payment gateway and GPS google map. It need multi language and currency feature. Website need to be for chef and customer side with dashboard. Content need to be upload through admin panel that point to storage server and not on the website to avoid heavy. Developer need to optimize the site to make it light

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    Need help with a preexisting react web application Need to add some new features and refactor existing code. I want to change react redux to react context and react reducer.

    €469 (Avg Bid)
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    Integrate React Google Map box Autocomplete feature and Map using google Map api in React JS web app

    €150 (Avg Bid)
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    Social media link in react - urgent 5 nap left
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    Hi, web developers. I am a founder of software development and management community and have 4 projects(two of them are running and others on development) The biggest project is gambling site which is on development and we meet a issue for now. We hope to add social media links to our site, but nobody knows about it on our team. I will provide you more details in chat. I am waiting for your response. Thanks

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    I'm looking for a photoshop plugin developer using UXP developer tool. Automatic bids or none experienced developer will be ignored.

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    Looking for a react developer 5 nap left
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    Looking to make several updated to checkout process. All the changes are outlined in the attached word doc. Wireframes will be finalized shortly.

    €29 / hr (Avg Bid)
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    Hello, I am looking for someone with experience in React and TypeScript (ideally Material UI). The work would be to maintain and bring to high standard a rather small code base that is growing rapidly, and ensures the website is dynamic for all screen sizes. Please provide your own improvement ideas for both the website features and code maintenance. I will provide my code base and discuss more detail with the right candidate. Only a personalized application will be considered. Thank you.

    €458 (Avg Bid)
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    55 árajánlat

    We are looking to hire a talented Full Stack Developer with React and ruby on rails experience to manage the interchange of data between our users and the server. You will be responsible for developing and maintaining the clients and server-side logic from the central database, BDD testing with RSpec, testing performance, troubleshooting, and integrating front-end elements into the application. To ensure success as a in this role, you should have extensive experience working with React, Ruby, Ruby on Rails and back-end integration techniques. Ultimately, you will be expected to to create clean, functional code that perfectly suits the needs of the users. Ruby on Rails Developer Responsibilities: - Designing and developing new web applications. - Building and Maintaining REST APIs. - M...

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    I am seeking a frontend React developer to help me with various pieces of my code that I am unable to complete (I'm barely a beginner React developer). The work will be on-going but in small projects. All work will be done via screenshare sessions (you can have control of zoom). The project is live now and can be seen here: we are using a React template that is quite thorough. To understand if you are a good fit for the on-going project I have outlined a task that is indicative of the work below. I expect this task to take 30-45 minutes (paid). The task is help adding in a % delta into rows of a MUI datagrid component that pulls data from our Supabase backend. The % difference should be for the most recent timestamp in an array, take the linkedin_jobs value. Then subtract that...

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    need react.js expert 2111 nap left
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    I need a expert for the react and vanilla js. Do not bid if you don't have experience with js.

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    I want an beautiful looking website having around 200 pages like an e commerce website

    €309 (Avg Bid)
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    36 árajánlat
    vlc Player in asp.net 4 nap left
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    I want to play my rtsp url in VLC player in asp.net .. On Desktop vlc my url working fine i want to see same on webpage

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    I have Time Tracking SaaS website. I need Windows & Mac application that will track work time. Similar to competitor: App must be written in cross platfom ElectronJS. Must be able to take screenshots, count keypressed and mouse movement. All requests will be made to my service by already made API. Some features: - when clicking start - app sends API request to my API - when clicking stop - app sends API request to my API - when work is started app makes screenshots of opened apps every X minutes and sends files by API (proof of work) - when work is started app counts number of key pressed in every minute and every 10 minutes sends reporto by API to my server - when work is started and in 5 minutes there is no key pressed or mouse moved - app send information to API Please bid onl...

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    Music concert ticket sale 4 nap left
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    Hello, for a client who organizes music concerts, about 1 per month, we need to develop a website where those online concert events can be created and managed. Customers should be able to buy these tickets online and get the ticket online as QR code, which they need to scan at the concert for verification. The location is always the same. This is NOT a marketplace with multiple hosts. It is always the same concert location. Features: - Standard checkout form - Digital or printed tickets - Mobile tickets - Registration and event management - Ticket management - Analytics - Payments (Stripe, Paypal) - Refunds - Verification that the ticket is real at the concert location As far as the tech stack goes, I'm open to suggestions.

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    We are looking for MERN Stack developer, who can lead our projects and team. It will be a long term commitment. We are looking for someone who has proper work ethics and attitude. Professionalism is as important as your skill set. Projects details will be shared with selected candidate.

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    Smart city which consists of three modules which are fire detection, pothole detection and traffic management are to be integrated in a webapp/website/app

    €320 (Avg Bid)
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    Intervento di aggiunta funzionalità e bug fix su un gestionale per la gestione del personale realizzato utilizzando React per il Front-end, Strapi per il Back-end e MongoDb

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    I need a restaurant website which consists of web pages of feed restaurant customer reviews contact page etc..where the famous food items will be and should have registration page where users can login and sign up.

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    71 árajánlat

    Hello freelancers We are looking for a Senior React Native Developer. This is a long-term position for senior developers. Please send us a self-assessment of your experiences with ALL responsibilities and requirements below. We hire you based on your very detailed and accurate answers. We want to see 5 accurate answers in your bid. Questions: 1- Building intuitive and user-friendly features for mobile ( React native and Desktop ( React) 2-Technical Feasibility Design 3- Optimize to maximize performance scalability 4- Perform UI and API testing 5- Build libraries and frameworks that support complex web applications, speed up development efficiency, and improve code quality Required - 1-year Developing Production code - Strong knowledge of React JS - Postgres, NodeJs, ReactJS After chec...

    €33 / hr (Avg Bid)
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    67 árajánlat

    Hi All, I'm looking for a dev to implement a feature onto our platform. The feature we require is essentially a text editor (similar to a word doc) where functionality such as: - font adjustments both size/colour - bold, italicise, underline etc - the ability to export the text in PDF/DOCx (word) format. The requirements for this role are: - JS React - Stripe - Firebase Please only reach out if you are confident in the above areas and if you are successful on this initial task, there will be a high volume of opportunities for you to continue improving our UI. Thank you beautiful people!

    €14 / hr (Avg Bid)
    €14 / hr licitátlag
    106 árajánlat

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