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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    324 trabalhos encontrados, preços em USD

    Funcionalidade #01: Criação chatbot (Com essa funcionalidade o sistema passa a fornecer a opção de criar um chatbot) Funcionalidade #02: Campanhas (Com essa funcionalidade o usuário passa a ter condição de criar campanhas onde é enviado a mensagem para o contato que já se encontra no banco de dados) OBS: Já tenho o servidor rod...

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    2 ofertas
    Frontend Saas 1 dia left

    Desenvolvimento de um frontend como um saas em Reactjs + Typescrypt. Paginas -> home, contato, cadastro, meus dados, cadastro e edição de produto, segurança, cadastro e edição de licenças do produto. A api do sistema ja tenho desenvolvida. Métodos de autenticação da api JWT e 2FA. Mais detalhes sob consulta.

    $482 (Avg Bid)
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    20 ofertas

    Preciso de um profissional com experiência em React.js para construção de diversas telas de um sistema que esta sendo reescrito, o profissional deverá trabalhar junto com nossa equipe interna, para construir as telas, o profissional deverá escrever o código de forma clara e padronizada, de forma que fique de fácil entendimento pelos demais desenvolve...

    $7 / hr (Avg Bid)
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    32 ofertas

    Hi I want to publish a NFT builder game where people can build the most profitable buildings overtime and generate yield in the form of various currencies. For this game, I am looking for a senior frontend developer and smart contract expert who can develop a NFT contract and presale landing page. I will explain more details in messages. Please only developers bid using the words "NFT Builder...

    $669 (Avg Bid)
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    6 ofertas

    I would like this deployed to me server as is. [fazer login para ver a URL]

    $40 (Avg Bid)
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    3 ofertas
    Looking for React expert -- 2 6 dias left
    VERIFICADO

    I need help with making a react app according to specs on a doc

    $24 (Avg Bid)
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    7 ofertas
    Looking for React expert 6 dias left
    VERIFICADO

    I need help with making a react app according to specs on a doc

    $24 (Avg Bid)
    $24 Média
    4 ofertas

    I am new to React and attempting to develop my first real React application. I am having issues with: callbacks and state changes from parent to child. I need a professional to look at my application and point out where I am going wrong with my states. It is a moderately complex application using react drag and drop passing state from parent to child and back again, so need someone who really und...

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    30 ofertas

    Hi I'm planning to make a ticket selling system. User can login and create their event to sell their tickets. The payment method will be Stripe and Swish. Please give us your estimated budget. More detials will be brief in the interviews.

    $644 (Avg Bid)
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    9 ofertas

    I have six Figma files for six splash pages. I prefer Vue.js developer but other languages are open. I will provide the documents to guide you. Please include your experience with similar projects and frameworks you have worked.

    $19 / hr (Avg Bid)
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    27 ofertas

    I have some issues in my token-swapping website. I am looking for a candidate who is able to handle these issues.

    $172 (Avg Bid)
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    31 ofertas

    I need some help with my React application. I am new to react, and the state is not updating correctly... The parent state keeps reverting to the old version when an update is made in the child component. This (I believe) is causing a failure to make an axios post, and makes the position of the element change back to its old location when the child state is updated. I'm looking for some regul...

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    I have a React app based on Node v10,works fine under my local configuration with Node v10 installed. But we need to apply this configuration within a Docker container, a Dockerfile was created with all the correct configurations and versions, however when doing "npm install" installs different versions of libraries causing our react app not to work properly. Given the specific case, I...

    $198 (Avg Bid)
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    10 ofertas

    Hi I am looking for an excellent react developer to work with my team. More details would be talked on interview. Regards.

    $22 / hr (Avg Bid)
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    26 ofertas

    We need a developer who can build projects in php Larvel & react.

    $1371 (Avg Bid)
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    8 ofertas

    The Supply is limited to 1,000 NFts and each draw is made manually not like generative collections. The rarity is defined thanks to the difficulty of the draw, the time spent and their storyboard. If I should add them manually I need a panel to be able to add the attributes, the storyboard, the name and the factions. something like: [fazer login para ver a URL] Advanced filters are needed to hav...

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    16 ofertas

    Fix Delegate Section of web3 app that interacts with a Songbird Smart contract where users can delegate to price oracles using the wrapped songbird tokens also need someone to maintain/build the price algorithm.

    $37 / hr (Avg Bid)
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    10 ofertas

    i want to create website fro my domain sortcoder. if you have good Knowlegede of MERN stack technology and cloud technology. you can submit your proposal

    $18 (Avg Bid)
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    6 ofertas

    The bot will need to be able to swap from BNB(BSC) to other BEP20 (BSC) smart contract tokens. The bot will swap based on new telegram message and based on the telegram message content The bot will sell the token back to BNB on certain conditions

    $349 (Avg Bid)
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    Reactjs routing 6 dias left

    I tried converting following html template to react functional components [fazer login para ver a URL] Somehow, routing and jQuery is not working as expected. I need help on fixing routing, jQuery and css functionalities to be fixed. Note: by routing, I mean page redirection. Uri is changing as expected. But page renders hai nly when I released ad the browser and there are some console errors whi...

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    We provide you Adobe XD design and we expect android frontend developed in react. more details will be provided once we move forward.

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    I am looking for somone who has experince in multivendor market place like ([fazer login para ver a URL]) ,I need ready solution for market place Support RTL . Based on PHP , Laravel . No WP NO woocomerce Seller Dashboard Admin Dashboard Payment gatway Regestrations Logastic APIs

    $1044 (Avg Bid)
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    19 ofertas

    Client budget is 500.00 - 700.00 Using JS framework for front end and integrate that using API Backend keep in Laravel So it will be a complete package of REACT/Laravel/FIGM/MYSQLIA i want website function like this" [fazer login para ver a URL]". But i have add some functions. Please refer to document. My competitor is "[fazer login para ver a URL]". and [fazer login para v...

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    18 ofertas
    Figma to ReactJS - UI Expert 6 dias left
    VERIFICADO

    Looking for someone who is an Expert in CSS Design. Posiblilly Looking for a company or a team of developers. We have a FIGMA with 5 Pages

    $16 / hr (Avg Bid)
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    Hi freelancers, I want to hire 1-2 full stack developers for my upcoming projects. Please contact me. I need 4 start+ developers.

    $1500 - $3000
    Secreto
    $1500 - $3000
    34 ofertas

    I am looking for an experienced mern stack developer who can start the work immediately. Need to fix Order creation from admin Side in Ecommerce website and deploy it in aws. Interested developer who can start the work immediately please contact me

    $150 (Avg Bid)
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    8 ofertas

    Need a developer who can design a dashboard for already working platform, its urgent

    $848 (Avg Bid)
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    15 ofertas
    Pubg esports app 6 dias left
    VERIFICADO

    I want an app for pubg esports where I can organize the tournaments. please add "TOURNAMENT" In your bid otherwise I will ignore you more details will be shared with the winning bidder

    $133 (Avg Bid)
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    5 ofertas
    Python / Django and React 5 dias left
    VERIFICADO

    "Django server, using GraphQL" ((AVOID FAKE BID !! please don't waste my time)) -Automate SQL query. -image fetch (Get image url from quickblox for chat) -Call send notification API when sending a message (to fix). -reset password CHECK ATTACHED FILE in details (to Question what is your Budget ? my budget is your REAL BID. )

    $123 (Avg Bid)
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    2 ofertas
    Build me tracking orders screen 5 dias left
    VERIFICADO

    Hello i need a order tracking screen to be built using react js bootstrap and react bootstrap icons only. I have the sample how it should be and attaching for reference. I already have a side bar created so you can ignore that

    $175 (Avg Bid)
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    25 ofertas

    << Django server, Using GraphQL >> "AVOID FAKE BID !!!" RESPECT MY MAX BUDGET -Automate SQL query. -Reset admin password -Get image url from quickblox for chat (image fetch) -Call send notification API when sending a message. -assign chats from one user to another user (chat forwarding) CHECK ATTACHED FILE AVOID THIS QUESTION: what is your budget? (YOUR BID IS MY BUDGET!!!)

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    -Authenticate with Admin credentials to perform CRUD Operations for to add the products - Everything should eb developed using Firebase and FireStore. -Authenticate with Agent Credentials to perform Billing activity -Billing Activity contains the Add/Delete products - Once the products are added to the cart - It should show the items with (tax). - I'll share the Bill format for the print.

    $128 (Avg Bid)
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    3 ofertas
    PUBG Tournament Ap 5 dias left
    VERIFICADO

    I want to build a pubg tournament app Where I need admin panal also From admin panal I can organize tournaments More details will be shared with the selected freelancers

    $187 (Avg Bid)
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    2 ofertas

    We are looking for a experienced full stack react developer with a particular skills in UX design, wireframing, and form design. We need a fully English speaking person within the US time zone. Required knowledge includes typescript, react, react hooks, websockets, API integration, Ant Design, etc.

    $53 / hr (Avg Bid)
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    5 ofertas

    I am looking for a Mern stack developer to start work immediately to fix some areas in order creation in ecommerce website and deploy them in aws test server.

    $80 (Avg Bid)
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    2 ofertas

    We are looking to hire an experienced Full time freelancer React.js developer to join the dynamic team of Infosys . As a lead developer in Infosys, you will be responsible for creating a top-level coding-base using React.js best practices. Your role will require you to implement an exciting and streamlined user experience. -QUALIFICATION 1- Full time freelancer 2- Should have atleast 3 years of e...

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    At Ellingsen Technologies, the common mission is to change the creator economy for the better - and make it proper. We are a big team of designers, developers and other creatives, who have come together to make this mission come to fruition. We are a young and hungry team, looking to disrupt the industry with our innovative platforms and products. Our culture is inclusive and we have an atmosphere...

    $31 / hr (Avg Bid)
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    29 ofertas

    << Django server, Using GraphQL >> "AVOID FAKE BID !!!" RESPECT MY MAX BUDGET -Automate SQL query. -Reset admin password -Get image url from quickblox for chat (image fetch) -Call send notification API when sending a message. -assign chats from one user to another user (chat forwarding) CHECK ATTACHED FILE AVOID THIS QUESTION: what is your budget? (YOUR BID IS MY BUDGET!!!)

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    5 ofertas
    Local services booking website 5 dias left
    VERIFICADO

    Its a carpenter services booking website

    $133 (Avg Bid)
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    8 ofertas

    The project has design and UX ready. It requires client interaction and implementation. Please only apply if you answer bellow questions: - What product did you implemented with React + node-ts? Send us a link or github share. - What is the most annoying fact about Typescript? - How is Typescript different than JS?

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    Data MixPanel - internal analytics for app - users behavior Setup Mix Panel on our React Typescript App In order to track user journey setup Mixpanel with our application. If you ever read this by the end don't apply without sending us some screens with the mix Panel setup and reply to the next question: Mention one of the methods from Mixpanel API JS and the url to it's documentation? W...

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    Don't send spam message, all you need to win this is a quote + a website where we can view an integration with Zoom Breakout Rooms. The application should be able to create rooms and split users from application into their Zoom account. This is a kind of exotic request. Experience application that goes online. We need integration with Zoom. This should happen straight from the react code.

    $28 / hr (Avg Bid)
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    Don't send spam message, all you need to win this is a quote + a website where we can view an integration with Microsoft Teams Breakout Rooms. The application should be able to create rooms and split users from application into their Microsoft teams account. This is a kind of exotic request. Experience application that goes online. We need integration with Microsoft Teams. This should happen...

    $25 / hr (Avg Bid)
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    run multiple instances of same react app on 1 wordpress page each react instance will have different data coming from mysql

    $33 / hr (Avg Bid)
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    37 ofertas
    PUBG Tournament app -- 2 5 dias left
    VERIFICADO

    I want to build a pubg tournament app with admin panal admin panal:- Create Multiple Tournaments (Solo, Duo, and Squad) Set entry type in Free, Paid, Sponsored By, Giveaway By Set different types of fees (Entry Fee, Per Kill Prize, and Chicken Dinner) Create numerous tournaments (As per date & time) Direct access to several players joined each tournament Create and share game room details be...

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    2 ofertas
    Smart contract Expert 5 dias left
    VERIFICADO

    I am seeking for very highly skilled smart contract dev since 5 developers have worked on this site and all of them have failed. Before starting work, you are going to be given smart contract and frontend page(it runs on vue.js). The front end website is not configured properly with the smart contracts. This is a typical Defi yield farm. Okay, For the very first part, we need the website to comm...

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    23 ofertas

    I have simple react-native code with some bugs that i should fix

    $25 (Avg Bid)
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    Web App with Node and React 5 dias left
    VERIFICADO

    Event management application with NodeJs and React.

    $128 (Avg Bid)
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    15 ofertas
    Django - React ; Full stack 5 dias left
    VERIFICADO

    "Django server, using GraphQL" ((AVOID FAKE BID !! please don't waste my time)) -Automate SQL query. -image fetch (Get image url from quickblox for chat) -Call send notification API when sending a message (to fix). - Reset password (by email , or by a link) CHECK ATTACHED FILE in details (to Question what is your Budget ? my budget is your REAL BID. )

    $155 (Avg Bid)
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    7 ofertas
    Python : Django - React 5 dias left
    VERIFICADO

    << Django server, Using GraphQL >> "AVOID FAKE BID !!!" RESPECT MY MAX BUDGET -Automate SQL query. -Reset admin password -Get image url from quickblox for chat (image fetch) -Call send notification API when sending a message. -assign chats from one user to another user (chat forwarding) CHECK ATTACHED FILE AVOID THIS QUESTION: what is your budget? (YOUR BID IS MY BUDGET!!!)

    $248 (Avg Bid)
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    4 ofertas

    Artigos da Comunidade dos Principais React.js