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!

Fra 272,726 tilbakemeldinger, klienter rangerer våre node.js Developers 4.85 av 5 stjerner.
Ansett node.js Developers

Filter

Mine tidligere søk
Filtrer etter:
Budsjett
til
til
til
Skriv
Ferdigheter
Språk
    Jobbstatus
    132 jobber funnet, priser i USD

    We're seeking an experienced developer company to help upgrade a state-of-the art startup MEMBERSHIP PLATFORM; website, iOS & Android apps, and admin panel. **OVERVIEW** The framework is built in versions that are several years old. For example Node JS 7.10.0 and MySQL 5.7.0. Everything needs to be updated to highest stable version that offers support and packages. For Node.Js that will likely be version 18 or 20 Moreover, this project offers an excellent opportunity for more development. **QUOTE: UPGRADE** -Please provide a quote for upgrade of website, iOS & Android apps, and admin panel. -The Framework described below. -Specify team size and roles. -Time frame for completion. **PLATFORM FRAMEWORK & DETAILS** Framework: React, Node, Express, React Native Frontend: ...

    $4154 (Avg Bid)
    Fulltid Taushetspliktsavtale
    $4154 Snitt bud
    93 bud

    I'm in need of a skillful developer who is proficient in Flutter app development and Full-stack development (Node.js and Flutter). The primary task of this project is to help with integrating backend services with a pre-existing mobile application. The scope of the project entails: - Full integration of backend services - Ensuring seamless integration on both Android and iOS - Streamlining the end-to-end communication within the app If you're experienced in both Node.js development and Flutter app development, this project is for you. Solid work history showcasing previous backend integrations on both Android and iOS platforms is highly desirable. Get in touch if you can bring good work-ethics, time management, and problem-solving skills to this project. Looking forward to wor...

    $127 (Avg Bid)
    $127 Snitt bud
    17 bud
    MongoDB Performance Improvement 1 dag left
    VERIFISERT

    I'm experiencing considerable performance issues with my Linux server due to MongoDB services using up 100% of the CPU. The server is running MongoDB 4.2 and its primary use is for real-time processing. Key tasks will involve: - Identifying the root cause of resource overuse - Implementing a solution to reduce CPU utilization - Ensuring optimal server performance post-intervention Ideal skills would involve a deep understanding of MongoDB, its intricacies across versions (particularly 4.2), and real-time processing applications. Familiarity with Linux server management is essential. The end goal is a well functioning server where the MongoDB services operate at their full potential without using up 100% CPU. I am using SocketIO API with Nodejs for backend

    $9 / hr (Avg Bid)
    $9 / hr Snitt bud
    11 bud
    Marketplace b2b immo 1 dag left
    VERIFISERT

    Objectifs du Projet - Construire une plateforme qui facilite les transactions immobilières B2B. - Simplifier la transmission d'informations pour accélérer les décisions des acheteurs et vendeurs. - Fournir une interface intuitive pour connecter efficacement les propriétaires d'immobilier avec des investisseurs et des entreprises. ### Fonctionnalités Clés #### Interface Utilisateur (Frontend) - **Page d'Accueil** : Présente clairement les différentes catégories de biens (terrains, bureaux, industriels, etc.). - **Fonctions de Recherche et Filtrage** : Capacités avancées pour chercher des biens par type, localisation, prix, etc. - **Pages des Propriétés** : Affichent des informat...

    $551 (Avg Bid)
    $551 Snitt bud
    45 bud

    I am in need of an experienced React Native developer to build a mobile app compatible with both Android and iOS. The primary functionality of the app will be QR code generation and scanning. It needs a way to generate unique QR codes and accurately scan them. User authentication is also essential to this project. The app should allow creating users with login ad password and allow them to log in to scan qr code. Ideal skills for this job: - Proven experience with React Native - Knowledge of QR code generation and scanning - Experience building secure authentication systems

    $624 (Avg Bid)
    $624 Snitt bud
    220 bud

    I'm looking to build a loyalty app that can be utilized across multiple industries. While I've missed providing specific features, target audience, and user interaction details, my aim is to create a versatile SaaS solution. with same idea in Key requirements: - Development of a user-friendly, scalable, and secure loyalty SaaS platform - Integration of points-based reward system - Provision of customer analytics and insights for business owners - Consideration of various target audiences including retail, restaurants, and service providers - User-friendly interface for both customers and business owners - Integration with Apple wallet and Samsung pay The ideal freelancer for this project would have: - Proficiency in SaaS software development, particularly within th...

    $1544 (Avg Bid)
    $1544 Snitt bud
    150 bud

    I'm looking for a skilled programmer to add a dark/light toggle icon feature into the documentation section of my website. It's a MERN stack website, and the primary purpose of this feature is to enhance readability. Ideal candidates for this project should: - Have experience with MERN stack - Demonstrate previous relevant work in their proposal Please include samples of your past work in your application. Thank you!

    $11 / hr (Avg Bid)
    $11 / hr Snitt bud
    28 bud

    I'm in need of a skilled Node.js developer to assist in the creation of a RESTful API. The API will be used as the backend for a web application. Key tasks include: - Developing a high-quality, efficient, and maintainable RESTful API using Node.js - Ensuring the API smoothly integrates with the database The ideal candidate should have: - Proficiency in Node.js - Expertise in API development, specifically RESTful APIs - Experience with database integration - Understanding of web applications and their backend systems Please note that the API will play a crucial role in the application's functionality, so it's important that the developer has a keen eye for detail and a commitment to building a robust, scalable solution.

    $105 (Avg Bid)
    $105 Snitt bud
    37 bud

    so i have selfhosted this and i need something like this in between u just need to change style/css of radio form to look something like that package image

    $10 (Avg Bid)
    $10 Snitt bud
    7 bud

    Hello Team, I have a nodejs (ExpressJs) app which is running on 3000 port on AWS EC2 ubuntu server, I want to implement the load balancing in the app so that my app can utilize the available cores of the CPU, I have two vcpu in my virtual machine. The app involved realtime communication usng , this is working fine when I use pm2 without cluster mode. But when I start the pm2 in cluster mode then my connection doesnt work and sometime it work and soemtime it doesnt work. I need a person who have done this implementation befoe so that work fine with pm2 cluster mode. I will not be able to provide you the code however you can guide me or take the remote access to solve this issue.

    $118 (Avg Bid)
    $118 Snitt bud
    18 bud

    I'm looking for an experienced Full Stack Developer for Android and iOS apps with all its requermets(front and back). The goal is to develop an app similar to [this one] - - just with different ui ***prefered use flutter on the app Additionally, the ideal candidate should be capable of meeting deadlines and delivering a fully functional and bug-free application. Upon application, please provide your estimated project duration.

    $2315 (Avg Bid)
    $2315 Snitt bud
    221 bud

    Necesito hacer un Web scrapping a una página de consultas y posterior consumir esos datos como API

    $46 (Avg Bid)
    $46 Snitt bud
    17 bud

    E-comerce hecha con React, Tailwind CSS , Framer Motion y cuenta con un chatbot con IA como asistente virtual En el Backend cuenta con una base de datos SQL y node Js y Javascript para la conexión a la BD Tiene una auténticacion de usuarios Y cuenta con integración a MercadoPago

    $20 / hr (Avg Bid)
    $20 / hr Snitt bud
    26 bud

    I'm looking for a skilled developer with strong expertise in Python, JavaScript, , and Node.js. This project involves enhancing our MiningWeb platform. Key Tasks: - Implementing user authentication features - Improving data visualization capabilities - Optimizing the platform's performance This is a great opportunity for someone passionate about blockchain and crypto and looking to take on a challenging and rewarding project. The work is fully remote and offers competitive compensation. Ideal Skills Include: - Proficiency in Python, JavaScript, , and Node.js - Prior experience with user authentication, data visualization, and performance optimization - Strong understanding of blockchain and crypto technologies - Self-motivated and able to work effectively in a remote setting

    $36 / hr (Avg Bid)
    $36 / hr Snitt bud
    63 bud

    I am in need of a skilled developer who can configure my website. It's crucial that you have experience with the Bustabit repository given its already installed. Here's what needs to be done: 1. **Testnet Bitcoin Integration**: I need you to create a new Testnet Bitcoin account for me. This integration is critical to test all functions of the website. It's quite important that you understand the intricacies of Bitcoin Testnet. 2. **Recaptcha Connection**: You'll need to connect Recaptcha using an API key. The main function of this feature will be to prevent bot activities on the site. Experience with implementing and optimizing Recaptcha is paramount. 3. **Investment Option**: Users need to have option to deposit in to the site bankroll. already has this feature, ...

    $54 (Avg Bid)
    $54 Snitt bud
    23 bud

    I am seeking an experienced developer who is well-versed in React JS and Node JS for the development of an e-commerce platform. This platform will be designed to support a range of e-commerce functions, with the main focus being on product search and filter options. Key responsibilities & requirements: - Proficiency in React JS for front-end development - Experience with Node JS for back-end development - Strong understanding of e-commerce structures and functionalities - Ability to integrate user-friendly product search and filter options The ideal candidate should be someone who has not only the technical expertise, but also the vision and creativity to enhance the user experience through these key functionalities. A portfolio showcasing previous e-commerce projects would be a s...

    $685 (Avg Bid)
    $685 Snitt bud
    251 bud

    I want to recreate the website using different data sources and a new design. The key features I need are: - Live Data Updates: The website should be able to update data in real time. - Social Sharing Buttons: The site should have easy-to-use social sharing options. As for the design, I am open to suggestions but most importantly, I need it to be user friendly and visually appealing. Ideally, you should have the following skills and experience: - Proficiency in web development - Experience in working with live data sources - Design skills, particularly in user interface and user experience Please provide examples of similar projects you've worked on in the past when you apply.

    $321 (Avg Bid)
    $321 Snitt bud
    52 bud
    Support Service 22 dager left
    VERIFISERT

    SCOPE OF SERVICE Support Service for cases of massive crashes of the ElasticSearch Search Platform (NodeJs + ElasticSearch). It must cover critical outages of Search Services outside of business hours, weekends and holidays (see details). The service must also include preventive analysis that will allow us to establish whether the platform is “healthy” in order to reduce these types of events. DETAIL OF EXTENDED SUPPORT The Extended Support service will have the following scope: • Support Hours: Monday to Friday from 18:00 to 23:00 and Saturdays, Sundays and Holidays from 9:00 to 23:00. The service will cover the resolution of critical incidents (service outage) in this time slot. • The committed SLA, for this time slot, will be 3 hours from the report sent from ou...

    $1215 (Avg Bid)
    $1215 Snitt bud
    51 bud
    Node.js Backend Developer Needed 22 dager left
    VERIFISERT

    I am in need of a skilled backend developer with expertise in JavaScript and specifically Node.js. The project you'll be working on is focused on building an API. Key Requirements: - Proficiency in JavaScript and Node.js - Significant experience in building APIs - Strong problem-solving skills and ability to work independently It would be a bonus if you also have experience with: - - Any other relevant backend technologies Please note that you will be working solely on the backend part of the project, so an understanding of RESTful API design principles is vital. Your responsibility will be to handle requests from the frontend, process data, and send responses back to the client. If you're a backend developer with a knack for problem solving, this could be a great fit. Looki...

    $720 (Avg Bid)
    $720 Snitt bud
    52 bud

    I've a custom built application that primarily uses node.js for the backend. My payment gateway is Worldpay for which I've set a callback for the settlement process. However, the issue lies in the processing of the callback response - the current processing is incorrect and needs to be fixed. Key Tasks & Skills: - Debugging: Diagnosing the incorrect processing of the callback response. - API Integration: Expertise in integrating Worldpay's settlement callback correctly. - Node.js: Proficiency in node.js is essential to understand and troubleshoot the existing code. The ideal candidate for this project should have a strong background in node.js, previous experience in Worldpay integration, and a solid understanding of API callbacks. You should be able to quickly identif...

    $188 (Avg Bid)
    $188 Snitt bud
    42 bud

    Hello, I am currently facing a challenge in accessing a specific website, , from my domain or through a proxy. I prefer not to expose my IPs directly to this website. Unfortunately, I am unable to access the site due to its geographical restrictions, as it is only accessible from within Italy. I require a solution that involves setting up a proxy. I will provide the proxy details via private message. The primary objective is to access the site without direct exposure of our IPs. Additionally, the website has a CORS (Cross-Origin Resource Sharing) policy that prevents third-party domains or IPs from accessing it. However, when I configure the proxy settings directly in the browser, it works perfectly. The requirement is to write a script either in Node.js or Python, which should run on ...

    $160 (Avg Bid)
    $160 Snitt bud
    32 bud
    Python Bot Website Integration 16 dager left
    VERIFISERT

    Looking for a skilled developer proficient in Python, Node.js, Postgresql, and Next.js. The project involves integrating an existing Python bot into a website to automate product data input. Key requirements: -Bot Integration: Seamlessly integrate the Python bot with the website's Node.js backend and frontend. -Automated Data Input: Ensure the bot reliably inputs product-related data, leveraging expertise in Postgresql for database management. -Error Handling: Implement automatic bug reporting in case of data input errors. If you have relevant experience in bot integration and database management, please submit your bid.

    $250 - $750
    Forseglet
    $250 - $750
    87 bud
    Echart Tree Diagram in React & Node 15 dager left
    VERIFISERT

    I'm looking for a skilled developer who is experienced in both React.js and Node.js to implement an Echart tree diagram in our application. Our project has specific requirements that you need to keep in mind: - Customizable node color and style: I need the freedom to customize the color and style of individual nodes within the tree structure. - Ability to handle large data sets: The tree diagram should be able to efficiently represent and navigate through large amounts of data without sacrificing performance. - Interactive features like drag and drop: The diagram should support interactive features such as drag and drop. The main objective of implementing the Echart tree diagram is to help us in: - Visualizing hierarchical data: The tree diagram should help us represent and under...

    $167 (Avg Bid)
    $167 Snitt bud
    105 bud

    I am in need of a specialist capable of customizing and setting up a pre-developed Pixasocial project from Evento for me. Key Tasks Involve: - Changing theme colors to align with my branding - Setting up the project on my preferred Linux VPS server - Implementing necessary third-party integrations (specifics will be discussed later on) Ideal skills needed for this project include: - Familiarity with Pixasocial - Experience in system server setup (specifically, Linux servers) my devops will help on this - Knowledge of third-party integration Please include relevant experiences in your proposal. Your expertise in these areas will be a deciding factor in my selection. Thanks!

    $87 (Avg Bid)
    $87 Snitt bud
    12 bud

    I'm in need of a comprehensive bus booking website with an integrated backend. Key Features: - A powerful search and filter option. - A flexible seat selection and booking module that is automatically timed to cease operations 30 minutes before a bus's departure. - A stable real-time backend dashboard that displays booked seats, preventing double reservations. - Site should support a minimum fleet of 5 buses at any given time. Seat Booking Functionality: - Cessation of seat booking ability 30 minutes before the departure time of any bus. - Availability of a minimum of 5 buses. - The backend should visually represent booked seats and prevent duplications. Bus Display Information: - The departure time and location of each bus. - The arrival time and location of each bus. Ideal...

    $148 (Avg Bid)
    $148 Snitt bud
    24 bud
    Heroku Backend Specialist Needed 8 dager left
    VERIFISERT

    I'm in need of an experienced professional who can help maintain and deploy API backend applications using Heroku software. I'm specifically seeking someone familiar with the nuances of the Heroku platform. Key responsibilities include: - Deploying API backend applications on Heroku The ideal freelancer: - Has extensive experience with Heroku - Has a deep understanding of API backend - Can navigate and troubleshoot Heroku software effectively - Understands the specific considerations needed for deploying applications on Heroku. Overall, I'm seeking proficiency in creating and maintaining stable deployments on Heroku. Ensure you can handle these responsibilities before placing your bid.

    $152 (Avg Bid)
    $152 Snitt bud
    34 bud

    I am looking for an experienced Node.js () and React.js (VITE) developer from China to build an E-commerce platform. Key Responsibilities: - Full stack development of an E-commerce platform. - Building robust and scalable software solutions. - Participating in the software development lifecycle. Key Requirements: - Proven experience in Node.js () and React.js (VITE). - Previous experience with E-commerce platforms. - Demonstrated senior level software development experience. - Excellent problem solving skills. - Ability to work independently and deliver on time. Only freelancers from China are encouraged to apply. Absolute fluency in both verbal and written English required. Please bid with relevant examples of past work.

    $34 / hr (Avg Bid)
    $34 / hr Snitt bud
    86 bud

    As a web development team, we have a solid foundation but lack in-depth knowledge and experience in web3/blockchain technology. We crave for a senior blockchain engineer to bolster us, especially on Ethereum and Bitcoin projects. • Skills and Experience: The ideal candidate will be proficient in Solidity and Ethereum Virtual Machine (EVM), and have extensive experience developing smart contracts, implementing token creation and integration, minting, and staking. • Responsibilities: The engineer will closely collaborate with our team and jump into our ongoing projects. Long term collaboration is desired. Expect to make significant contributions from sprint planning to deployment. We are excited about the potential advancements blockchain technology can bring to our projects ...

    $89 / hr (Avg Bid)
    $89 / hr Snitt bud
    28 bud

    I'm seeking an experienced Firebase & Google Cloud developer to help with various aspects of my project. Key Responsibilities: - Implementing user authentication and authorization - Setting up and integrating a database - Developing cloud functions and serverless architecture I require someone with expertise in both frontend and backend development, as my project is intended to support both web and mobile applications. Ideal Skills: - Extensive experience with Firebase and Google Cloud - Proficient in both frontend and backend development - Prior experience with user authentication and authorization - Capable of database setup and integration - Knowledge of cloud functions and serverless architecture Your contribution will be crucial in ensuring a robust, secure, and scal...

    $2277 (Avg Bid)
    $2277 Snitt bud
    80 bud

    I am looking to build a cutting-edge online casino website featuring progressive jackpot slot games and incorporating cryptocurrency transactions. Here are my requirements: - Implement a variety of exciting and engaging slot variants with a focus on progressive jackpot slot machines. - The website should be designed to support cryptocurrency transactions, offering an innovative and secure way for users to enjoy their gaming experience. An ideal candidate should: - Have experience developing betting websites, particularly online casinos. - Show a strong understanding and knowledge of integrating cryptocurrency payments. - Be experienced in designing engaging and successful slot machine games, specifically progressive jackpot slots.

    $39 / hr (Avg Bid)
    $39 / hr Snitt bud
    29 bud
    Copy http type Avsluttet left

    Use React and Javascript. Google Books API. Dockerize your Google Books app. Test the app from the container and make sure that everything works as expected. Compose a report that provides detailed steps... (Budget: €250 - €750 EUR, Jobs: Java, JavaScript, Node.js, Software Architecture, Test Automation)

    $521 (Avg Bid)
    $521 Snitt bud
    26 bud

    The main goal is to provide companies the tool they need to use WhatsApp as a collaborative way to communicate with their customers without need to go with WhatsApp pro API. The administrator needs to be able to add or delete agents The administrator needs to be able to add or delete phone numbers and will be able to scan QR codes if the WhatsApp solution needs it. The only setting needed at the moment for the administrator is to choose if all agents can see all conversations or if agents can see only their own conversations. Admin should also choose if the incoming conversation with no agents assigned should be assigned in a round-robin or if manually assigned. The administrator can create e quick answer that could be used into chats We will provide frontend design for Chat and other pa...

    $592 (Avg Bid)
    $592 Snitt bud
    98 bud

    Anbefalte artikler for deg

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ