Node.js is an open-source cross-platform JavaScript runtime environment that allows developers to easily deploy JavaScript based applications and services. Node.js is built on Chrome's V8 JavaScript engine and can be used to create server-side applications that are secure, scalable, fast and efficient. Node.js Developers have the skills to build secure and performant web applications that can handle large volumes of data in an efficient way.

A Node.js Developer is a skilled programmer with experience in building modern web applications that employ technologies such as Node.js, JavaScript, HTML5, and CSS3. Node.js Developers are responsible for developing server-side web applications, creating user interfaces for websites or web applications, and developing APIs for servers or browsers. These developers also create custom plugins and modules that extend the functionality of existing applications or websites.

Using Freelancer.com to recruit Node.js Developers highly skilled at developing web applications is a great way of getting the job done quickly and efficiently.

Here’s some projects that our expert node.js Developers made real:

  • Creating websites with complex functionalities
  • Hosting applications on cloud environments
  • Extracting text from scanned documents or images
  • Building web scrapers
  • Setting up chatbot integrated with OpenAI API
  • Developing user interfaces for websites
  • Developing APIs for server/clients
  • Setting up projects in PC

If you're searching for a Node.js Developer to join your team, hiring an experienced freelancer on Freelancer.com would be an ideal choice for completing your project quickly and efficiently with high quality results. It takes only minutes to post a project; after that you will be able to connect to potential freelancers who have the skills and experience needed for your projects. Hire a freelancer on Freelancer now!

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    199 trabajados encontrados, precios en USD

    Se tiene un diseño en react lo que se necesita es cambiar algunas vistas. Backend en Node Js Se requiere persona con experiencia

    $488 (Avg Bid)
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    41 ofertas

    Estamos buscando para empresa de desarrollo de aplicaciones y soluciones tecnologicas programador senior para incorporar al equipo. Buscamos alguien con las siguientes características: Experiencia comprobable en Django, PostergreSQL, Mongo y Api Restful (min. 2 años) Proactividad y ganas de incursionar en nuevos proyectos Disponibilidad para trabajar 40 hs semanales a largo plazo Habla hispana (sin excepcion) Ofrecemos: Salario mensual en dólares (a coordinar) Ofrecemos contrato indeterminado para asegurar la transparencia del trabajo En caso de que te interese y poseas la experiencia detallada, escribenos asi seguimos conversando.

    $1054 (Avg Bid)
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    Scrapping WEB 3 días left
    VERIFICADO

    Scrapear paginas web, anexar datos a BBDD, Construcción de reportes. Plataforma ya operativa, se requiere servicio de manutención mensual que incluye monitoreo diario de los scrapping y desarrollo de reportes segun se requiera.

    $143 (Avg Bid)
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    23 ofertas

    prueba de desarrollo Queremos entender mejor qué tan bueno es integrar varias tecnologías para brindar una solución sólida, este es un proyecto de muestra que ayudará a ilustrar eso. Tipo de cambio por símbolo Nos gustaría generar un sitio que proporcione información de intercambio e información general de la plataforma de muestra seleccionada a los usuarios finales. Bifurque este proyecto e invíteme (starl1n), trabajará en la rama que acaba de crear y enviará sus cambios allí. Cree una conexión a estos puntos finales utilizando la tecnología requerida: Punto final del zócalo: wss://,orderBookL2_25:XBTUSD Para referencia: API WEB: !/Announcement/Announcement_get Presentar ...

    $22 (Avg Bid)
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    WebSocket Php, Javascript 1 día left
    VERIFICADO

    Requiero a un experto que me ayude a montar un servidor tipo websocket para tener comunicacion abierta entre mis usuarios conductores y mi servidor web, para enviarles notificaciones, viajes, etc. Usaremos teconologia viejita, ya ven que muchos odian php, pero el servidor de websocket puede estar programado en node u otra tecnologia, mientras se pueda comunicar con mi servidor en php. Debera enseñarme paso a paso como montarla, para luego yo darle mantenimiento.

    $154 (Avg Bid)
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    18 ofertas
    Desarrollo de E-commerce 20 horas left
    VERIFICADO

    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

    $327 (Avg Bid)
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    44 ofertas
    Angular Project Work 6 días left
    VERIFICADO

    Hello Freelancer, if you are ready to work for Angular Will discuss on chat

    $120 (Avg Bid)
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    12 ofertas

    I'm looking for someone who can help me deploy my Django project on my Ubuntu. Guide To Set Up/Deploy Django Project with MongoDB, Nginx, and Supervisor on[Ubuntu 22 LTS]. I am using Django 3.0, though I am not sure if I have webserver access with the necessary credentials. I do not have an existing layout or designs for the website. The right candidate should have solid experience deploying Django projects and be able to provide technical guidance so that I can get my website up and running as soon as possible. All interested parties should be sure to include relevant references and portfolio pieces in order for their bid to be considered. Looking forward to hearing from you!

    $40 (Avg Bid)
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    Requirements Important for us: Languages: English (Advanced/Native), additional languages are a plus. Work location: Berlin preferred or remote possible Personality: Value and vision-driven, ability to embody the overall vision and mission of the company. Culture fit: Dynamic, disruptive startup environment, Can do, will do mentality! Your profile & qualifications Studies in computer science, software development or a related discipline. Structured and autonomous approach to work with a high level of personal responsibility. Experience with our tech stack: CI/CD & Repo: GitLab. Stack: Graphql, Typescript, Node.js running on AWS lambda functions with a Mongodb, Auth0. Deployment framework: Serverless. We are looking for a Senior Backend Software Developer that wants to embody...

    $46 / hr (Avg Bid)
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    If you do not watch video and reply with a lot of details I will not message you for the job. I have a desktop application built in electron js and I have about 50 customers on this desktop app. It's windows based. They install in on their pc. I'll attach a recording so you can see the idea. I'm looking for a full stack developer who can help me add more error handling in the current app, understand my system, help me protect it, and continue solving problems. YOU WILL NOT BE PAID UNTIL YOU PROVE TO ADD VALUE. This is a real business, and there are many developers who are talented and are only working for a quick dollar, that's not here. You must be very professional, asking the right questions, and willing to show what you can do. I don't have 1 is...

    $558 (Avg Bid)
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    40 ofertas

    we need a developer who can design system architecture after that back-end. Then front end.

    $294 (Avg Bid)
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    27 ofertas

    Hello! I am looking for an experienced programmer to help with a React and React Native development project. The ideal candidate will have experience using web development tools and must be prepared to work on this project for the long-term. This is the perfect opportunity for a developer who has extensive knowledge of React and React Native and is looking to use those skills to take on a challenging project. The successful candidate will be able to develop, maintain, and support all aspects of the web-based project, as well as implement bug fixes and work on new design elements. If this sounds like an interesting project to you, please contact me. It would be great to hear more about your experience and talk about the specifics of this project.

    $395 (Avg Bid)
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    Greetings Web Developers! We are Xsystems, a business and ERP solution provider based in Mumbai-India. ESI, our ERP business unit helps our customers streamline their processes and ecosystem. Currently, we are looking for freelance software developer to build a simple web application from scratch. App requirements- 1. Front end: Angular, ReactJS, or modern scalable framework 2. Backend: Node.js or equivalent 3. Database: MongoDB, MariaDB, MySQL, PostgreSQL(Technical / scalable preference) 4. Version control: Gitlab, Github, Bitbucket(Should be familiar with atleast one) 5. API integration: To and fro system integration with web app and ERP system. 6. Deployment: CI/CD, Docker, Kubernetes 7. Cloud Hosting: Digital Ocean, AWS, Scaleway 8. Post Live: Iterations, feature release and ...

    $2221 (Avg Bid)
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    We are seeking an experienced API Integration Developer to build a channel manager that integrates with Airbnb, , and VRBO. The purpose of the channel manager is to synchronize calendars and unify guest message inboxes from multiple Online Travel Agencies (OTAs) into a single management system. Responsibilities: Develop APIs that integrate with Airbnb, , and VRBO platforms to extract calendar and guest message data. Implement data synchronization functionality to ensure that calendar updates and guest messages are accurately reflected across all OTAs. Develop a unified guest message inbox that allows hosts to easily manage all guest communications from a single platform. Implement error handling and data validation to ensure data accuracy and system reliability. Collaborate with our team...

    $1327 (Avg Bid)
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    Node js developer 6 días left

    We need node js developers with 4+ years of experience for our full-time contract based opportunities Perks and benefits???: 5 Day shift Permanent Remote Full time contract ( freelancing)

    $917 (Avg Bid)
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    28 ofertas
    Need redux and node developer 6 días left
    VERIFICADO

    We need react and redux developer for the book if you can do will meet in the chat

    $44 (Avg Bid)
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    6 ofertas

    We are working on a specific portal for the real estate industry. We use node.js, graphQL, Apollo Server and Typescript. We are looking for a backend specialist.

    $19 / hr (Avg Bid)
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    I need someone to help me on how to calculate the shortest path and the optimal input amount for a DEX triangular arbitrage bot. I would provide a json structure of the data that includes pool addresses, liquidities and assets prices then i would need some graph method to quickly calculate the shortest path with arbitrage opportunity and define the optimal input amount for the found arbitrage. It would return the data to execute the trade (pools addresses, amounts etc) Experience in this field would be better.

    $83 (Avg Bid)
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    20 ofertas
    FRONT-END DEVELOPER NEEDED 6 días left
    VERIFICADO

    Introduction We need a desirable team member who possesses adaptive, proactive, persistent dependable & loyal character attributes that is always willing to go for to extra effort to accomplish and DELIVER. Doing the right thing the right way the first time. As we shape our business, we want for each team member to be both very accurate and precise in everything that they say and do. Do you possess what it takes? Job Description We are looking for a FULL-TIME FRONT-END Developer with an eye for fine details for both FUNCTIONAL and AESTHETIC interactive website design. We require someone with good experience optimising such for both Desktop & Mobile devices, as we are a SaaS application development company, so require exceptional ability, ambition & skillsets. Join us and you ...

    $7 / hr (Avg Bid)
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    52 ofertas

    We are Fruxinfo Private Limited Ahmedabad based company that is looking for Individual freelancer who can work for time-based Day time if you are ready you can bid

    $3 / hr (Avg Bid)
    $3 / hr Oferta promedio
    12 ofertas
    ghost platform development 6 días left
    VERIFICADO

    We need to build new web system by using ghost as backend, you must to have done ghost customization and expert on react/nodejs. requirement 1. custom DB with additional user type and user backend 2. custom web frontend features are user registration/login/recover password profile editing/publish media (photo/video) upload / remove

    $336 (Avg Bid)
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    9 ofertas

    App functionality : data and insert into the back end table with rest post api data and display it on the fluuter mobile app with rest get api data and display it on the angular web app with rest get api - admin usage

    $85 (Avg Bid)
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    15 ofertas
    Node.js back-end develpment 6 días left
    VERIFICADO

    We are looking for an experienced back-end developer to join our team for long-term cooperation, with knowledge of Node.js. We develop a web application in area of finance. We use Azure services and tools. Most of the work we do from home. We are looking for someone with whom we will enjoy working together. Requirements: - Node.js - SQL at least the basics - Git or a similar system - orientation in cloud solutions Expected start: April 2023 If you are interested, do not hesitate to contact us.

    $25 / hr (Avg Bid)
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    [GO LIVE IN 14 DAYS REQUIRED] Execution of an online shop like this @irenemmassyy/create-a-modern-ecommerce-project-with-react-nodejs-express-js-b6a13cd1f9ca DESIGN: using components of this here The following technologies were utilized MongoDB: It is a NoSQL-based database. It is in charge of data storage exchange and execution, assisting Node.JS in running the server without issue. ExpressJS: It is essentially a back-end web-based framework that allows you to build web apps by providing an easy-to-use interface. ReactJS: The frontend library would be React. Redux would be used for state management. For the basic design of the interface, we would employ the React Bootstrap library. NodeJS: It is, by definition, a JavaScript runtime that is built on the well-known Chrome’s V8 ...

    $8018 (Avg Bid)
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    Design a Responsive Html Css Js Using Figma Design Page This Need To Be Done Urgently. There Are 5 - 6 pages. Figma :

    $37 (Avg Bid)
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    Solana Back end developer 6 días left
    VERIFICADO

    Looking for a Solana back end developer for a simple Automation script work. No UI Required. Just backend script. Can be in either Python or Node.js.

    $506 (Avg Bid)
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    66 ofertas

    Work Location - Remote Exp - 3 years onwards Full Time Notice Period - 30 days. MERN Full stack Developer Minimum Requirements: A proven track record of successful development using MERN Stack with minimal of 3 years with Continuous Integration, Continuous Delivery, Pair programming and Test Driven Development. Proficiency in one or more backend languages (Java / Node.JS). Proficiency in one or more frontend framework (React.JS). Good knowledge on MongoDB MySQL. Experience developing on both mobile and web platforms. Has Hands-on Test Driven Development experience and able to author Unit, Integrationand Functional Tests. Good OO-skills. Must demonstrate strong familiarity of design patterns. Experience practicing pair programming in a team is an advantage. Good communication and client-fa...

    $848 (Avg Bid)
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    19 ofertas
    Frontend web developer per saas 6 días left
    VERIFICADO

    Cerco un frontend developer freelance con esperienza in node.js e design grafico htlm5 (Canvas e webgl) per un progetto di sviluppo di un software as a service (SaaS) web. Il progetto richiede una buona comprensione delle tecniche di sviluppo front-end, una conoscenza approfondita di node.js, e una forte comprensione del design grafico htlm5, inclusi Canvas e webgl. Le responsabilità includono la progettazione, lo sviluppo e l'implementazione di un'interfaccia utente di qualità per un software as a service (SaaS), la scrittura di codice pulito, testare l'interfaccia utente e risolvere i problemi di compatibilità del browser. È necessario avere un occhio attento ai dettagli e un forte interesse per la creazione di esperienze utente intuitive e c...

    $13 / hr (Avg Bid)
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    17 ofertas
    Node JS Developer 6 días left

    I am looking for a mid-level Node JS developer to join my team. We’re developing a modern web application, and the successful candidate will be required to work on the full stack. The ideal developer should be experienced and proficient in working with Node JS and be able to adapt quickly to new situations and technologies. We're looking for a detail-oriented person who is passionate about developing quality code and can take on modern challenges. The main responsibilities will include: developing efficient back end components from scratch, optimizing existing front end components, working with a UI/UX designer to create stunning user interfaces and ensuring that web applications are future-proof and secure. The desired candidate should be able to prioritize tasks effectively...

    $13 (Avg Bid)
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    9 ofertas
    Senior MERN Developer Needed 6 días left
    VERIFICADO

    I'm looking for a senior MERN developer with 5-10 years of experience to join my project. We are a growing team -work will start as part time, then move to full time once you have showed good work ethic.. There is room to grow in the company, pay will start at $12 an hour. JavaScript is the preferred language of development, and I am seeking part-time resources to complete the project. This senior developer should have extensive experience with various methods of React web development, Node.js development and MongoDB integration. Skills in JavaScript functionality and core library, project management, and efficient code structures are essential. Fast problem resolution and the ability to work independently without sacrificing accuracy and professionalism are also of paramount importa...

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    123 ofertas

    I'll share the detail when we reach an agreement

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    Read this entire thing before applying, and look at the Figma file. We want this built this week! React/Node.js developer to create forms to save users’ App Store and Google Play Store credentials in our database. Database is PostgreSQL. We need the sensitive data to be encrypted in storage, and able to be decrypted for later use. Front end is React/Chakra UI, backend is Node/Nest.js. Experience with deploying apps to App Store and Google Play Store and using Fastlane is a plus. We need the apple and google data forms built.

    $1162 (Avg Bid)
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    40 ofertas

    I'm looking for a freelance developer who can assist me with a small project in Node-red. Basically I want to connect Node-red to a Notion database, fetch some data from the database and store it in an array, and use this data to run a HTTP Request to an API. Based on the result from the HTTP request, I would either do nothing, update existing rows in the Notion database, or add new rows. That's it. Let me know your experience with Node-RED + Notion, your hourly rate and the amount of hours you expect to need for this project. I will need to code delivered for implementation by me, but I will require you to test it somewhat first.

    $16 / hr (Avg Bid)
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    We are seeking a skilled developer to upgrade and deploy our existing platform, which is built using the MERN stack and utilizes Docker for deployment. The ideal candidate should have a strong understanding of our project requirements and be able to start work immediately. The scope of the project includes several changes and upgrades to the platform. We are looking for a developer who can deliver high-quality results within our budget range. Therefore, we expect all bids to be within the specified budget. We are looking for a professional and experienced developer who can deliver results quickly and efficiently. If you have high expectations or cannot work within our budget range, this project may not be suitable for you. The selected developer will work closely with our team to ensure...

    $170 (Avg Bid)
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    16 ofertas
    PDFKIT developer 6 días left
    VERIFICADO

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

    $34 / hr (Avg Bid)
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    30 ofertas
    Write Smart Contract on TRON 6 días left
    VERIFICADO

    Write and integrate Smart Contract on TRON Blockchain for USDT for a membership Portal. Smart Contract must be verified and name should be portal name.

    $267 (Avg Bid)
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    18 ofertas
    NODE JS / Puppeteer / FULL STACK 6 días left
    VERIFICADO

    I have a desktop application built in electron js and I have about 50 customers on this desktop app. It's windows based. They install in on their pc. I'll attach a recording so you can see the idea. I'm looking for a full stack developer who can help me add more error handling in the current app, understand my system, help me protect it, and continue solving problems. YOU WILL NOT BE PAID UNTIL YOU PROVE TO ADD VALUE. This is a real business, and there are many developers who are talented and are only working for a quick dollar, that's not here. You must be very professional, asking the right questions, and willing to show what you can do. I don't have 1 issue to solve, i have a business to run. I'm tired of chasing developers when I have cust...

    $524 (Avg Bid)
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    I'm looking for someone that can help fixing transaction error bug with mongoose Explanation: I'm trying to do some atomic operations using mongoose transactions. the transaction fails giving the next error "MongoServerError: Given transaction number X does not match any in-progress transactions. The active transaction number is X-1" Failed attempts to solve the problem: 1- close the connection after the logic finishes (as we may have consecutive middlewares that needs atomic operations) 2- retry opening a new transaction multiple times upon failure

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    Por favor, regístrate o inicia sesión para ver los detalles.

    Destacado Urgente Sellado Acuerdo de Confidencialidad
    firebase cloud funcs 6 días left
    VERIFICADO

    i'm trying to validate user's register and login, and i want someone to explain me simple steps on how to handle errors on the backend

    $45 (Avg Bid)
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    14 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.

    $30 (Avg Bid)
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    30 ofertas

    I want new application for game

    $9578 (Avg Bid)
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    6 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!

    $12 (Avg Bid)
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    6 ofertas

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

    $131 (Avg Bid)
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    75 ofertas

    We have a site that made on Angular and Node JS which main functionality is to show a Google Map with different markerts that once clicked shows some information about the place. I will give you the URL of the site later. The markers from the map and the information showed for every marker came from a Mongo DB. We need to update some information from the DB and to apply some improvements or changes to some parts of the site.

    $32 / hr (Avg Bid)
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    85 ofertas

    Nodejs project to create Synology api to copy specific selected files from source Synology to destination central Synology

    $3 / hr (Avg Bid)
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    7 ofertas

    Hello , I have admin portal, we need to develop web based admin portal with 7-8 screens and api integrations. Prefer angular js developer.

    $138 (Avg Bid)
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    15 ofertas

    I have a site that is built in angular 7 graphql node.js apollo redis mongodb I need to make some small changes

    $164 (Avg Bid)
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    60 ofertas

    The project aims to extend the mongo express code for image upload and download feature

    $140 (Avg Bid)
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    21 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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    105 ofertas

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