React.js is a JavaScript library developed and used by Facebook and Instagram to build user interfaces. It's an open-source library that allows developers to create reusable components easily and also provides faster rendering and improved performance. React.js offers a wide variety of features that make it a powerful tool for web and mobile developers, ranging from declarative components to A/B testing, styling, React Hooks, and more. As such, clients who are looking for a well-rounded web or mobile development team should consider hiring a React.js Developer to handle the development side of their project.

A React.js Developer can do a lot for a client, such as create complex user interfaces without having to rebuild the same code over and over as UI components are reused in multiple projects. Additionally, a React.js Developer can refactor code so that it is easier to understand and maintainable in the long run through clear naming conventions and separation of code logic when the application requirements change. Finally, they can optimize loading time even on slower networks by code splitting so that the most important content is loaded first while the rest is done later on.

Here's some projects that our expert React.js Developers have made real:

  • Building complex user interfaces with reusable components
  • Integrating mock APIs into a project
  • Hosting react apps on cloud platforms such as AWS EC2
  • Creating ecommerce websites
  • Refactoring code to increase maintainability
  • Adding authentication and authorization layers
  • Developing dynamic screens with UI designs from Figma
  • Form validation with Google authentication
  • Dynamically creating labels on pages using React Routes

With React.js, there is endless potential for creating amazing applications that are efficient, reliable and secure. Our highly trained React.js Developers specialize in completing and improving client projects quickly without sacrificing quality for cost or time, making them an invaluable resource for any business interested in staying competitive in their industry. If you're interested in taking advantage of our incredible pool of talent, feel free to post your own project and hire our skilled React.js Developer today on!

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    151 trabajados encontrados, precios en USD
    subir y deploy un proyecto en vps 6 días left

    Subir un proyecto a un vps hostinger y deployarlo. que quede en produccion para verificaciones online. con su respectiva revision. solo castellano nativo. para Kevin M..

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    4 ofertas

    Necesito un desarrollar de habla Hispana el punto clave. Bueno estamos buscando un desarrollador con mucha experiencia con la tegnologias mencionadas en el titulo. Somos una Start up que estamos por lanzo un proyecto sumamente grande donde hay uso de Web app, mobile app y tablet app. Todo eso manejado desde una central o web office. Por eso el candidato tendre que tener experiencia en el uso de estructura de datos, manejos de API's, base de datos y todo lo que conlleva a programacion orientada a objetos. Estamos en nuestra primera fase del proyecto a punto de lanzarlo, y es por eso que unicamente buscamos una persona que nos ayude a correigir ciertos errores y cambios que hay que hacer en el software. Si todo sale bien, el desarrollador tendra una muy buena propuesta de ser part...

    $1364 (Avg Bid)
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    39 ofertas

    Cuento con prototipado en FIGMA, y documentación en PDF del proyecto completo. La WebApp consiste en ser una plataforma para recibir testimonios para usuarios que ofrecen clases, consultas, etc. Figma:

    $521 (Avg Bid)
    $521 Oferta promedio
    26 ofertas

    Necesito terminar de desarrollar una web app que permite tomar imagenes como los hero Mirror de ejemplo : , y luego compartirlas por correo o imprimirlas.

    $20 (Avg Bid)
    $20 Oferta promedio
    5 ofertas

    Hola necesito un diseñador web y un desarrollador full-stack para trabajar conmigo en un proyecto de rediseño de sitio web. El sitio web antiguo está en el enlace

    $8 / hr (Avg Bid)
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    29 ofertas

    Desarrollo de fase inicial de un panel de control en react con acceso a datos en Firebase. 1º parte, login y gestión de usuarios de la app con Firebase Admin sdk.

    $187 (Avg Bid)
    $187 Oferta promedio
    23 ofertas
    Desarrollo de E-commerce 1 día left

    Estamos en la busqueda de una persona tenga experiencia en el desarrollo de pagina web interactiva de E-commerce, con tecnología como: Pyton, reactive js, Node.js. el diseño realizado en Ui. Xd

    $322 (Avg Bid)
    $322 Oferta promedio
    45 ofertas

    Aplicativo cuyo objetivo es acercar a consumidores con prestadores de servisio, para satisfacer sus necesidades y potenciar las ventas de los comercios. A su vez, esta herramiente cumple las funciones de CRM para optimizar y gestionar los precesos internos del comercio. Se busca persona o equipo especializado con las siguientes habilidades: Backend Developer: --------------------------------------------------------------------------------------------------------------------------- Conocimientos y aptitudes: - servidores Web (aws) - Bases de datos: conozca y especialice en Mongodb. - Lenguajes de programación: conocer especialmente Nodo.js. - API: capacidad de utilizar e integrar una API para conectar con sistemas. Habilidades hard y soft skills: - Integración de tecnolog...

    $14340 (Avg Bid)
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    To completely restructure my website, I'm looking for an experienced Wordpress developer. I want my website to have a contemporary aesthetic while still feeling refined and classic. Also, the website needs to contain unique features that are tailored to my needs. The ideal applicant must be able to show proficiency with bespoke features and have a strong portfolio of prior WordPress designs. Please feel free to bid if you think you can assist me with my project.

    $99 (Avg Bid)
    $99 Oferta promedio
    30 ofertas

    I want mini trello webapp as a POC. Here is the requirements you should follow. Mini Trello - With Drag and Drop from one column to the other, Card Add / Delete / Update Frontend in React / Hooks / Styling with tailwindcss or equivalent Graphql api (preferably, or REST) Python Backend (3.11) Optional - DB of your choice for persistance (dynamodb local) bonus: package the app with docker bonus: deploy the app on AWS Timeline is 2 days. Budget is $100. After it's done, more tasks will be added. If you can start right now and finish on time, then please apply. Put the words "mini trello webapp" on top of your proposal so I can know you read it fully. Thanks

    $132 (Avg Bid)
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    28 ofertas

    1) Let your app interact with the database to save and load data. 2) Enable secure communication between the browser and server. 3) Show preliminary skills in using 3rd party APIs.

    $161 (Avg Bid)
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    20 ofertas

    We're looking for a full time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to detail. The project consist of connecting to a Dru...

    $13 / hr (Avg Bid)
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    50 ofertas
    PDFKIT developer 6 días left

    My project requires a PDFKIT developer for the web platform PDFKIT:

    $35 / hr (Avg Bid)
    $35 / hr Oferta promedio
    18 ofertas

    I have a project that involves creating an automated wiring diagram publishing system in ReactJS, and I'm looking for reliable freelancers to help me bring it to completion. The wiring diagrams will be available from relational database tables in the form of a JSON with information about the connectors and the individual connections between each pin of one connector with the other. This wiring diagram system will be used by technicians to look at illustration related to the connectivity of various connectors, thereby improving their efficiency when addressing customer issues. I'm looking for freelancers with experience in ReactJS and backend database technologies who can help me create a reliable system for automated wiring diagram publishing.

    $80 (Avg Bid)
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    4 ofertas

    For the context, when I click a button, a pdf file will be displayed on the screen. I want to add a password protection for the pdf file such that when the user downloaded the pdf file and want to open it, it require a password. Right now, the interface in the frontend use React and the backend is Laravel. Thus, the database is stored in laravel(postgres). Below are part of the code used in frontend. What I have tried is trying to locate where the 'bil/pay/view' in the below code is located using ctrl + T but it's not in the frontend(react) folder. I tried going into the backend and use the same method but still I couldn't find where 'bil/pay/view' is. What I know is that if I could locate the url page, I can go to the controller in laravel and set the logic ...

    $61 (Avg Bid)
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    5 ofertas
    Customize App 6 días left

    WeddingBell is React Native wedding planner app template. User can find vendors, venues, manage things, budget, etc using this app template. It is built using React Native. So, It is support android and ios both.

    $20 / hr (Avg Bid)
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    96 ofertas

    For the context, when I click a button, a pdf file will be displayed on the screen. I want to add a password protection for the pdf file such that when the user downloaded the pdf file and want to open it, it require a password. Right now, the interface in the frontend use React and the backend is Laravel. Thus, the database is stored in laravel(postgres). Below are part of the code used in frontend. What I have tried is trying to locate where the 'bil/pay/view' in the below code is located using ctrl + T but it's not in the frontend(react) folder. I tried going into the backend and use the same method but still I couldn't find where 'bil/pay/view' is. What I know is that if I could locate the url page, I can go to the controller in laravel and set the logic ...

    $15 (Avg Bid)
    $15 Oferta promedio
    1 ofertas

    We develop an e-learning platform that works as a web application and as a native app. To speed up our development, we are looking for support by a full stack developer with the following skills: - everywhere: typescript - backend: typescript, nestjs (not as important) - frontend: react, nextjs - app: react native (app) Summary: TYPESCRIPT + REACT (most important) If you love to work in a dynamic team and want to improve user experience, we would love to get to know you.

    $17 / hr (Avg Bid)
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    45 ofertas
    Ecommerce website 6 días left

    Hello, I'm looking to build an ecommerce website, and I want the finished product to be perfect for my business needs. Following some research, I've decided the best platform to host my website on is Laravel. I need to make sure the website has integration for credit card payments, and maybe a content delivery network if necessary. I am looking for a reliable and trustworthy freelancer to help make this project a success. Can you help me create a stunning ecommerce website that caters to all my needs?

    $321 (Avg Bid)
    $321 Oferta promedio
    39 ofertas

    I am looking for someone that can update our excel add-in that is built with react I developed the typescript code that works with excel You just need to make updates to the UI See example Looking for 10 hours a month maybe 15… tasks usually take an hour of time

    $13 / hr (Avg Bid)
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    51 ofertas

    We have a PineScript code that was developed on the Tradingview platform. However, we have reached the limit of 10 symbols calculation on the platform and hence need to convert the script to another programming language. The PineScript code uses multiple technical indicators for the calculation, and we want the exact same results to be replicated in the new programming language. We need the converted script to be able to plot graphs, and data will be pulled from an API, such as the Coingecko API for collecting crypto data. The project needs to be completed within two weeks from the date of engagement. We have attached a photo that shows how the final result of the code should look like. We need a programmer who can deliver high-quality code that meets our specifications and timeline....

    $2183 (Avg Bid)
    $2183 Oferta promedio
    23 ofertas

    I have a Multigrid in React, I want to duplicate the style another internal pages with react virtualized rendering with sorting, as a pool can have over 1k rows. We want to sort by up to 3 columns that users can filter. If you are fluent with React this should be a pretty simple and straight forward task.

    $31 (Avg Bid)
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    26 ofertas

    I'm looking to use a SQLite database on my computer drive, but need help integrating it into a React framework. I have experience with databases like MySQL and PostgreSQL, however, SQLite is the one I'm currently looking to use for this project. Because of this, I'm looking for an experienced developer who has experience working with SQLite databases and React framework. The full scope of the project will be discussed in detail once I've connected with the right person. Thanks in advance for your interest and I look forward to a great working relationship!

    $11 (Avg Bid)
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    4 ofertas

    Need typescript expert to fix multiple errors in node.js program. Need to work via remote. Looking for long term collaboration.

    $130 (Avg Bid)
    $130 Oferta promedio
    66 ofertas
    I am looking for React Js expert 6 días left

    I am in need of React js expert, if you are professional in React js, pls bid. Thanks!

    $57 (Avg Bid)
    $57 Oferta promedio
    43 ofertas
    Taxi App + backend 6 días left

    App design + developmtn (React Native) App for user + App for driver Back-end

    $16 / hr (Avg Bid)
    Acuerdo de Confidencialidad
    $16 / hr Oferta promedio
    69 ofertas

    Building a Web application that uses chat gpt to help law school students with a certain task.

    $20 / hr (Avg Bid)
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    93 ofertas

    I have an existing react.js project using firebase authentication. I need the user sessions to extend beyond 1 hour. The successful freelancer should have previous experience and be able to provide relevant examples of their past work. The authentication sessions should extend automatically, without the user needing to manually request an extension. This will be awarded to a freelancer at fixed price if they can commit to delivering this functionality

    $117 (Avg Bid)
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    50 ofertas

    "YOUR BID PRICE IS FINAL. NO LATER CHANGE IS ALLOWED' I need an experienced programmer who can create a player where any uploaded image (of a specific size) can be used as background, text can be written on the player in different fonts, colors, and font sizes and other images can also be dragged on the player, positioned, resized. There should also be a Timeline and Keyframe system that can help to play the image sequence, one after another. Ultimately, the same can be exported as MP4. Please see the rough mockup attached. You may check (I have the code for this video maker also) It is up to you whether to use them or make them from scratch. But these above two need modification if you use them. Lowest bidder will win. My Budget 5K. I need server installation done by you.

    $104 (Avg Bid)
    $104 Oferta promedio
    5 ofertas
    Python and React project (CMS) 6 días left

    student course management system Developer should be good with python and react Course--->Modules ---> batch's ---> teacher --> students--Exams Users Super Admin Admin Teacher Student

    $381 (Avg Bid)
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    24 ofertas

    need a help with payment system using Reactjs

    $18 (Avg Bid)
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    7 ofertas
    Replicate a live React dashboard 6 días left

    I need to quickly replicate a live React dashboard

    $80 (Avg Bid)
    $80 Oferta promedio
    51 ofertas

    Write unit tests for a multi step form, the code coverage is already 46%, need it to be around 85% Also require this job to be done in the next 3-4 hrs

    $20 (Avg Bid)
    $20 Oferta promedio
    6 ofertas

    mern admin panel development with all functional deliverables: front end using react- complete UI according to figma development using node.js testing and finishing it(ready 75-85%) launch with app launch Timeline: 3-4 days

    $110 (Avg Bid)
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    17 ofertas
    Sniper Bot for crypto Trading 6 días left

    Please create a crypto trading bot based on ethereum Blockchain with different contracts addresses that I could enter (Metamask, uniswap pool essentially). I would like to have it as a as a chrome Extension or it can be React (front end)/ nodejs) Back end) app, or any other solution that gets the job done for a reasonable cost. I would like to work with a developer who has experience building a bot like this and can provide previous projects as proof of your ability to execute this in a high-quality fashion. It should operate smoothly and enable transaction to run quickly once the desired strategy is selected. The BOT would essentially include: A simple UI for the bot where I can manage parameters such as: the amount of the trade, slippage tolerance (on or off) , range or amount t...

    $4066 (Avg Bid)
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    12 ofertas

    Unit Testing for multistep form

    $19 (Avg Bid)
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    7 ofertas
    Antmedia player 6 días left

    Need to implement antmedia server with custom html platform and api integrate with reactjs + html

    $501 (Avg Bid)
    $501 Oferta promedio
    63 ofertas

    I have an already built and functional web application built on NodeJS, React and MongoDB. Your task is to take an empty Linux server via SSH and deploy the code from GitHub, install all dependencies for NodeJS, React & MongoDB and deploy the server. No need to code, only deploy, so it is a small project. Please apply if you have deployed similar setups in the past.

    $21 (Avg Bid)
    5 participaciones
    Fix react and nodejs script -- 3 6 días left

    Need tobm add some new feature and fix on react and node. Need urgent

    $33 (Avg Bid)
    $33 Oferta promedio
    39 ofertas

    Need to create a library of React based UI to realize the mock-ups. Mock-ups available in gifs. 5 screens - site level admin rights there but not tenant level page- mainly has search and top documents preview to show all documents with thumbnails and description. 3. Click on document to show preview and an option to download 4. Download screen to capture name, email, reason for download 5. Upload document custom screen to capture meta data tags, approval workflow and then upload

    $369 (Avg Bid)
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    5 ofertas

    Please read specifications before giving a reply. Copy&Paste answers won’t be answered! I need someone that has good knowledge on: - PHP - WordPress - React - Redux - Material UI I have 2 websites and I need to convert it to 1. They are made with WP but the one that needs to be moved works with React and Redux and WordPress as a backend. More details will be given but keep in mind that without the mentioned knowledge before will be hard to complete it. Are you familiar with them shouldn’t be a problem I guess. For this work I’ll need: - Improve some details/functionality on main page (react/redux) - Move main page from the one to the another one, keeping the functions - Improve general design on WP template

    $228 (Avg Bid)
    $228 Oferta promedio
    67 ofertas
    Node react admin panel With API 5 días left

    Create Node react admin panel With API

    $301 (Avg Bid)
    $301 Oferta promedio
    40 ofertas

    We just want to deploy react and .net core web api project on IIS Server.

    $111 (Avg Bid)
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    13 ofertas
    Make web application responsive 5 días left

    This project is to make the project found here: mobile friendly and work on Iphone and MODERN android devices. Requirements are only Iphone 12+ and modern galaxy Android phones Currently the application is written in React.

    $189 (Avg Bid)
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    41 ofertas

    Hi, It's basically a something like twitter, and we have to use React with typescript, Tailwind and We can use Firebase

    $97 (Avg Bid)
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    9 ofertas
    Card Catalogue Application 5 días left

    I am seeking to assemble a team of skilled developers to collaboratively create a state-of-the-art application for cataloging and managing trading card game collections. Our innovative platform will utilize cutting-edge technologies such as Python, MongoDB, and React, among others, to deliver a seamless and engaging user experience. The primary goal of this project is to develop a machine learning model, specifically a Convolutional Neural Network (CNN), capable of accurately identifying and categorizing trading cards. Users will be able to add cards to their digital collections, track their portfolio's growth, and facilitate transactions with ease. Additionally, the application will support exporting collections to CSV format for further analysis and archiving. To bring this ambiti...

    $693 (Avg Bid)
    Acuerdo de Confidencialidad
    $693 Oferta promedio
    14 ofertas

    Hi, We need to develop an e-commerce app. We have developed figma design already. Just we need to implement this design in the app and the web. we need a developer who has good experience in React js, React Native and Python. The app will be developed in React Native(android and ios both). React js for web and admin and python for backed. We will not pay any upfront payment. we will create milestones. once milestones work will be done. we will release the payment then you need to share the code with db with us. after completing the project, you need to share the final code with db as well. we need to start immediately. Please check the requirement doc below.

    $892 (Avg Bid)
    $892 Oferta promedio
    32 ofertas

    Hey all, we are looking for one project, details are below. Suppose any one upload model photo ( clothing ), suppose that photo is in black color, if we want to change color of that model photo it should convert with one click. if we want to change print of that model, it should change with one upload of new print and change the variation of that model. It use AI / ML and language should be python / node js etc.

    $1432 (Avg Bid)
    $1432 Oferta promedio
    19 ofertas

    I'm looking for a talented freelancer to work on a React decentralized exchange (DEX) project. For this project, I'm looking for someone with experience in JavaScript/Node.js, HTML/CSS, and React technologies. The successful applicant should have plenty of past work and demonstrable experience to draw from, as well as a detailed project proposal. It's Urgent and Long tems

    $176 (Avg Bid)
    $176 Oferta promedio
    16 ofertas

    There are four ready-made codes: 1. The main page is written in HTML, Css, JavaSciprt 2. Registration page (React) 3. Login Page (Login) (React) 4. Server part for registration, written in Java Spring Boot, connected to the Mysql database. And I basically need to share it all. So that a person during registration can register and enter the page, and his data is stored in the database. You will also need to add Spring Security to Spring Boot. Work for the university deadline tomorrow for lunch. The work is simple, for a professional ahead 20-30 minutes. Information in the video.

    $175 (Avg Bid)
    $175 Oferta promedio
    43 ofertas

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