Express JS is a web development framework for Node.js. It is used by developers and engineers to create robust and dynamic web applications quickly and efficiently. It provides out of the box features for web development such as routing, request management, and content negotiation. Express JS is built with scalability in mind and it is specifically designed for web and mobile back ends with minimal coding complexity. An Express JS Developer can provide clients with high-quality solutions for their business needs by leveraging the benefits of Express JS framework.

Express JS provides faster application development with its numerous built-in functionalities including routing and request management that simplifies communication between the server and the client. It also provides support for both HTTP and HTTPS protocols, which makes it suitable for any type of infrastructure or system requirements. Furthermore, it has built-in templating, which allows for better maintainability and portability of applications.

Here's some projects that our expert Express JS Developer made real:

  • Building personalized portfolio websites with an impressive visual presentation
  • Developing tools to support financial trading operations
  • Creating employee monitoring tools tailored to specific business needs
  • Securing backend services with advanced authentication techniques
  • Implementing APIs that facilitate data transmission between different services
  • Developing cross platform mobile applications
  • Setting up a DevOps environment to automate workflow processes

Our Express JS developers have developed solutions tailored to individual customer needs on Freelancer.com. Their expertise has allowed them to quickly build fully functional products to the highest standard regardless of the project complexity or size. By utilizing the benefits of Express JS our developers have created remarkable solutions that answer to customer needs perfectly, while minimizing the cost in terms of time and effort required.

If you have a web development project in mind, why not post your own project on Freelancer.com? We guarantee that you will be connected with an experienced Express JS Developer capable of realizing your vision quickly and efficiently. So why wait? Post your project now and join hundreds of satisfied customers served by our skilled freelance Express JS Developers here on Freelancer!

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    I'm looking for a skilled MEARN Stack web developer who is proficient in MongoDB, , Angular, React, and Node.js. The core goals of this project are: - Building a website for my company(Ai based Company) using the MEARN Stack. Website should look same as style and font also... - Implementing specific features such as user authentication, a product catalogue, and a contact form using MongoDB. - Other things will be dicussed later.. Strong expertise and experience in MongoDB for data storage, data retrieval, and performance optimization is ideal freelancer would also have good understanding of user interface design, as the website should be user-friendly and engaging. Other desirable skills include problem solving and detail-oriented, with a strong emphasis on quality and efficienc...

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    I need a Node.js developer with expertise in transitioning a fully operating monolithic application to a microservices architecture using Kafka, Redis Server, and Openshift. A successful migration will preserve current functionalities including: - User profile management - Transactions processing - Content management The deadline is paramount, thus a professional with great time management skills is ideal. Prior experience in similar projects is highly desirable. Your expertise will ensure a seamless transition with zero interference to the current users.

    $403 (Avg Bid)
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    I'm in need of a MERN Stack Developer who can introduce a real-time update feature to my application. The updates are meant to notify users of news posts, hence a good understanding of how content distribution works is crucial. Primary responsibilities: - Implementing a real-time update feature concerning news posts - Ensuring these updates are efficient and user-friendly Qualified candidates should have: - Extensive experience working with MERN Stack - Proficiency in real-time updates - A strong background in news and content distribution systems - Familiarity with user interface and experience design Your bid should provide evidence of your proficiency in these areas, and propose a clear plan of action.

    $20 (Avg Bid)
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    I'm looking for a skilled developer with expertise in Node.js and MongoDB to help me build a real-time web application that will be accessible to the general public. Key Deliverables: - Building a robust, high-performance real-time data processing engine using Node.js - Setting up an efficient database solution leveraging MongoDB Ideal Skills & Experience: - Proficiency in Node.js and MongoDB - Proven track record in developing real-time web applications - Understanding of best practices in web application development - Experience in working on projects with focus on user engagement and experience Please provide examples of previous work and any relevant experience you have in this area.

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    I'm seeking a skilled MERN stack developer to create a user-friendly e-commerce website catered to working professionals aged 30-50. The project's specifics include: - Implementing User Authentication: Ensuring secure login and signup functionality. - Data Storage and Retrieval: Setting up a database for storing user and transaction details, with fluid retrieval of data when required. - Integrating Third-party APIs: To enhance the user experience, integrate with external services to enable various features. Potential freelancers should have a robust knowledge of MongoDB, , React, and Node.js, and a demonstrated record of completed MERN stack projects, particularly in e-commerce. Understanding UX/UI principles for the target age group—working professionals—will be a ...

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    MERN Full Stack Developer Needed 5 siku left
    DHIBITISHWA

    I am in need of a mid-level to senior MERN Full Stack Developer who holds a Bachelor's Degree. The ideal candidate should have extensive experience with React.js and Node.js, as well as a strong knowledge of HTML/CSS. Additionally, experience with MongoDB as well as Firebase is required for this role. I need the developer to work full time Monday to Friday - 7.00 am to 4.00 pm EST. Key requirements are: - Adding new features to an existing website - Ensuring the website is bug-free - Developing new modules in React.JS and Node.JS - Integrating data from MongoDB - Working collaboratively with our team - Creating a brand new web application and APIs The ideal candidate should have: - Strong knowledge of React.JS and Node.JS - Experience with MongoDB and other databases - Experience ...

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    I'm currently in need of a skilled full stack developer with proficiency in Python and experience in GenerativeAI, particularly LLM. You will be primarily tasked with frontend and backend development. Job Summary: is seeking a seasoned Senior Backend Developer with extensive experience in full-stack development, Docker container management, API design, and integration, as well as proficiency in React, Firebase, and Kubernetes. The ideal candidate will help elevate our backend systems, ensuring scalability, performance, and security to drive IntraIntel to the forefront of artificial intelligence solutions. Experience with LLM is important. Key Responsibilities: 1. React and Server-Side Development: • Develop and maintain scalable, responsive front-end architecture. • Imp...

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    I'm looking for a developer proficient in Node.js to build a third party API. The main functionality of this API will be user authentication. Build third party Apis for online psychometric test We need a proficient NodeJs developer to develop Third Party APIs. These Apis can be used by any external companies to conduct online psychometric tests. We need to ensure proper authentication measures to ensure security of data. Developers having experience in this field can contact. Tech Stacks: NodeJS React js MongoDB Key Responsibilities: - Develop a robust Node.js API for user authentication. - Implement secure and scalable user authentication methods. Ideal candidates should have: - Strong command over Node.js for backend development. - Proficiency in API development, especially u...

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    I am looking to embed my hosted chatbot application to others user website. It should display as a pop-up at the bottom right corner or be shared as a standalone embedded link. I prefer to use script tag as embedded link. For instance, if any users use my 'embedded' link, the chatbot should pop up wherever they paste the link. How can I achieve this? I have already hosted my chatbot, additionally if they visit my URL the codebase should not be exposed it should be look like an 'production build' where people or clients should not able to reverse engineer and reuse my codebase. My Folder Structure: Chatbot_Version_1.0.0 ├── assets │ ├── css │ │ ├── custom_css │ │ │ └── chatbot │ │ │ └── │ │ └── │ ├── img │ │ ├── chatbot │ │ │ └─...

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    We are seeking a talented MERN Stack Developer to join our dynamic team. As a MERN Stack Developer, you will be responsible for designing, developing, and implementing robust web applications using the MERN (MongoDB, , React.js, Node.js) stack. You will work closely with our team of designers and developers to create innovative solutions that meet our clients' needs. Responsibilities:  Develop and maintain web applications using the MERN stack.  Collaborate with cross-functional teams to define, design, and ship new features.  Write clean, maintainable, and efficient code.  Conduct code reviews and provide constructive feedback to other team members.  Troubleshoot and debug issues to ensure optimal performance and reliability.  Stay up-to-date with emerging technologie...

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    I'm seeking a developer with proficiency in MERN stack, machine learning, and WebSocket technology. - Your primary task will be to develop a web application using MERN stack, emphasizing ReactJS for the front-end. - You'll also need to implement predictive modeling using machine learning in the application. - The chat functionality will require the use of WebSocket technology for seamless real-time communication. Ideal candidates should have: - Extensive experience with ReactJS and MERN stack development. - Proven expertise in machine learning, particularly in predictive modeling. - Familiarity with WebSocket technology and its implementation in chat features. Please provide previous work samples or a detailed portfolio showcasing your skills in these areas. Project is read...

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    I am in need of a skilled developer experienced in Node.js for maintenance of existing software. While I appreciate all applicants, I am specifically looking for those who can provide detailed project proposals. I strongly believe in planning, and being able to provide a comprehensive plan shows me that you are serious about the project. Tasks include, but are not limited to: - Bug fixes - Performance improvement - Patching vulnerabilities Experience in the following is ideal: - Software maintenance - Git and version control systems Prepare for a challenging yet rewarding work. Looking forward to your detailed proposals!

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    We are a purchasing agency mainly engaged in selling a large number of foreign trade products on Alibaba's Chinese wholesale website overseas by finding people to take on tasks, The price is comparable to that of AliExpress, Temu, and Shein, with a commission of 20%(Excluding shipping costs) of the order amount for each order. Any product can be purchased, except for those prohibited from consignment at the bottom of the shopping guide page. After the person who takes on the task receives the order, I will provide the shopping guide with the specific operating steps And send him the website address. After the recipient places an order on my website (all payments are made through PayPal, and there is no logistics record to apply for a refund through PayPal. If you have cooperated mult...

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    Node.js Runtime Error Resolution 3 siku left
    DHIBITISHWA

    Hello, I'm experiencing a network error in the server-side script of my Node.js project, specifically in handling API requests. I'm looking for a skilled and experienced developer who can troubleshoot and fix this issue. cause: Error: connect ETIMEDOUT at [as oncomplete] (node:net:1278:16) { errno: -4039, code: 'ETIMEDOUT', syscall: 'connect', address: '', port: 443 } If you have fixed such issue before then please contact me. Thanks

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    Website Landing page contains nav bar component, Hero image container, about element with the inquiry form to the right side of it. Nav bar component contains the Logo, Home, About, Gallery, User Registration, and User Login tab. Website must be responsive and must adjust to all screen size. Data from the inquiry, user registration and user login data must be save to the data base in the separate collections in Mongo db atlas. website consist of the footer element. Website contains multi user login system which displays the user details on the basis of its login credentials and displays the user data accordingly. Payment method is available in the user account to make the payment.

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    This Project Not For Company's React Node js and Mongodb developer Good Skill With Proper Proof of Work experience. MLM Website And Payment Integration Required Note:- Time Is Important Busy Developers Don't Come

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    I'm looking for an experienced developer who can create a web-based calendar with a unique feature to allow users to book dates. If a date is unavailable, the application should clearly indicate it. For the view/UI React/It's front-end Library Setting up server, Use , which we'll use it for serve our front-end to talk with our DB Which is MongoDB, the DataBase. To deploy your MERN stack app for free, first build your React frontend. Choose Netlify or Vercel for frontend hosting. Connect your GitHub repository and deploy the React app. For the server, select Heroku. Prepare your backend, set environment variables, and follow Heroku's deployment guide. For the database, use MongoDB Atlas, their free tier suffices. Connect your backend to MongoDB Atlas using its URI. En...

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    I'm urgently seeking a proficient React JS Developer to continuously develop and improve features in my project. The main objective is to build a comprehensive application that will require: - Strategic development: including user authentication, implementing real-time data updates and building a responsive design. - Proficient use of Node.js, Redux and GraphQL technologies. - Strong capability of constructing an e-commerce platform, social media application and online learning platform. The perfect fit for this role should have a proven track record in using these programs and a solid understanding of developing robust React JS projects. Disposable commitment to accommodating future changes and improvements is also essential.

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    Preciso um desenvolvedor para ajustes em sistema e acompanhamento para futuros ajustes, feitos em: - Node - TypeScript - Prisma ORM - Postgress - React com React Components - Vercel - Heroku - Básico de clean architecture, Design patterns e S.O.L.I.D

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    I'm currently experiencing some difficulties with my node.js application. It's behaving unpredictably, and I require an expert to intervene immediately to rectify the situation. The complications I'm dealing with are mainly: - Errors requiring debugging - Unexpected behavior or results from my current code - Random application crashes As such, the ideal freelancer for this job would possess: - Strong expertise in Node.js - Solid experience in debugging and handling error scenarios - The capacity to analyze and enhance application performance - Strong problem-solving skills to handle cases of random application crashes I require swift resolution to these issues, hence if you are up for the challenge, I would be eager to see your bid.

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    Seeking developer experienced 2 siku left
    DHIBITISHWA

    Seeking developer experienced in: NodeJS v16+ NextJS v12+ ReactJS v17- Flutter Objective: Install a control panel on a subdomain, 3 applications (client, delivery, and store), and a control panel on the backend server. Requirements: Experience in the technologies mentioned above. Ability to work independently and as part of a team. Strong communication skills. Ability to follow instructions and meet deadlines. Project Details: The project involves installing a control panel, 3 applications, and a backend server control panel. Control Panel: The control panel will be installed on a subdomain, such as admin.xyz.com. It will allow users to manage website content, users, and configurations. Applications: Three applications will be installed: client, delivery, and store. These applica...

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    Payment will be monthly basis, according to the number of days you have worked,TDS(10%) will be there as per government rules, no paid leaves will be there. Between 1 to 5 date you need to share invoice,and with in 30 days payment will be done from our side. Leaves from client side and candidate's leave will not be counted for the payment. 1)ReactNative Developer with 6 years of experience Who can visit Navi Mumbai Location once a Month for a Week. Experience You’ll Bring: 6+years Role and Responsibilities:  Develop and maintain mobile applications using React Native.  Mentor and provide guidance to junior developers in the team.  Collaborate with cross-functional teams, including designers and backend developers, to create and enhance mobile applications.  Architect a...

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    I'm in need of an adept front-end and back-end developer to build a cutting-edge venue booking application. This application needs to work seamlessly with mobile devices (iOS and Android) as well as web browsers. Key functionalities include: - User registration and login: Establish a secure system for users to create accounts and log in. - Venue search and filtering: Allow users to proficiently search, sort and filter venues according to their preferences. - Booking management: Users should be able to manage their bookings smoothly. -Venue owner application: A modern and sleek design for the user intVenue owners must be able to receive and manage bookings through the app. Venue owners must have access to a calendar view for managing their venue’s schedule. interface is e...

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    Need a developer to implement a Web3modal from walletConnect on a simple webpage that just has a button to activate the web3modal. The developer should be well-versed in ExpressJS and Node, with an understanding of Web3 technology. Key requirements: • Utilize ExpressJS and Node for Web3modal implementation

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    I'm on the search for a talented full stack developer proficient in Angular and API creation. Your mission, should you choose to accept, includes: - Creating a new API for my project - Building in additional functionalities such as comment addition and pinning - Implementing improvements to the user interface The ideal candidate will have demonstrable experience and expertise in enhancing Angular projects. Here are some finer details: **Functionality Addition:** You'll add capabilities that allow users to add and pin comments. **UI Improvements:** The project requires a responsive design and improved navigation menus. The menus should be intuitive and user-friendly, taking advantage of modern design principles. **Design Changes:** I envision a complete redesign of the user ...

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    I'm looking to integrate existing Node.js APIs with my Angular frontend. The scope of this project includes: - Interfacing the Node.js APIs with Angular - Functionality for account creation/management - Implementing the product listing/purchasing workflow It is uncertain whether complete documentation for the APIs is available, so a freelancer with experience in Node.js and evaluating API endpoints would be ideal. Strong knowledge in Angular and frontend-backend integration is required. It's a bonus if you have previously integrated APIs without complete documentation. Your ultimate task would be to seamlessly incorporate these APIs to improve user interface components, mainly for account management and product purchasing.

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    I'm on the search for a talented full stack developer proficient in Angular and API creation. Your mission, should you choose to accept, includes: - Creating a new API for my project - Building in additional functionalities such as comment addition and pinning - Implementing improvements to the user interface The ideal candidate will have demonstrable experience and expertise in enhancing Angular projects. Here are some finer details: **Functionality Addition:** You'll add capabilities that allow users to add and pin comments. **UI Improvements:** The project requires a responsive design and improved navigation menus. The menus should be intuitive and user-friendly, taking advantage of modern design principles. **Design Changes:** I envision a complete redesign of the user ...

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    Nodejs Express WS 18 masaa left

    Hello, i need nodejs wss stream request.

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    Title: Full Stack Web Developer for a Responsive One-Page Website Description: I am seeking a skilled Full Stack Web Developer to create a responsive one-page website. The developer should have expertise in HTML, CSS, JavaScript, Node.js, Express, Angular, and MongoDB. Responsibilities: Develop a responsive one-page website using HTML, CSS, and JavaScript. Implement server-side logic using Node.js and Express. Use Angular for front-end web development. Integrate MongoDB to store user input data. Implement a payment integration system. Requirements: Proven experience as a Full Stack Developer or similar role. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery). Experience with JavaScript frameworks (e.g. Angular, React, Node.js). Familiarit...

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    We are seeking a skilled Grafana expert with expertise in Node.js API to join our team. The ideal candidate will have a strong background in Grafana visualization and dashboard development, along with proficiency in Node.js API development. Responsibilities: Design, develop, and maintain Grafana dashboards to visualize data from our Node.js API. Collaborate with cross-functional teams to gather requirements and translate them into effective Grafana dashboards. Optimize dashboard performance and ensure data accuracy. Implement monitoring and alerting solutions using Grafana. Stay updated with the latest Grafana features and best practices. Troubleshoot and resolve issues related to Grafana dashboards and data visualization. Contribute to the improvement of our ...

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    I’m looking for a proficient backend developer with ample experience in Node.js and RESTful API implementation to build a database for my project. Your role will largely concentrate on: - Creating a robust database using Node.js as per the design and structure outlined. - Developing the RESTful API to interact with the database. - Primarily handling user authentication through the API. Ideally, you should have a strong knowledge of Node.js and a proven track record of creating and working with RESTful APIs. I would appreciate it if you have experience working on user authentication systems before. A detail-oriented, problem-solver with good communication skills will fit the task perfectly.

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    I need a qualified developer to create the backend for my application using node.js. The project involves developing user authentication, integrating a MongoDB database and API development. Key Tasks: - Create a user authentication system based on email and password. - Integrate a MongoDB database for smooth data flow. - Develop APIs for efficient application interaction. Ideal candidates should have solid experience in node.js and MongoDB, and a track record of developing user authentication systems.

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    I am looking for an experienced developer to create a custom indicator for my Trading View platform. The main focus of this indicator will be to analyze price action. More specifically, it will need to define the Bos and Choch, and apply Fibonacci retracements as part of its calculation. In addition to this, I would like the indicator to recognize support and resistance levels when examining price action. Ideal Skills For This Job: - Profound knowledge and past experience with Trading View - Understanding of price action analysis - Familiarity with the defining of Bos and Choch - Ability to calculate Fibonacci sequences - Experience with setting support and resistance levels within indicators Please only apply if you meet these criteria and can provide examples of similar work you...

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    1- Show the roles of each user on the site: Show user roles on the site, display the powers held by each user. For example, there can be moderators who have permissions to manage content and users, teachers who have permissions to add and edit lessons and learning materials, and examiners who have permissions to evaluate student performance. 2- Show the exact session in which the student is present: Here, we mean to display the course the student is currently participating in. Session means the class in which the student or committee is present on the platform. When a student is registered for a course, this information is typically stored in their current session.

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    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.

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