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 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 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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    NodeJs Expert for npm Optimization 6 дні(-в) left

    I'm looking for a NodeJs expert to help me customize an npm package. Our focus is primarily on improving performance and enhancing the functionality of the package. Key Requirements: - Functionality Customization: You'll be tasked with adding new features and tweaking existing ones in the package. - Specific New Feature: One of the key tasks will be to implement data validation. Ideal Skills and Experience: - Extensive experience in NodeJs is a must, as the project heavily relies on this technology. - Previous experience with npm package customization and optimization. - Proven track record in implementing data validation systems. This is a critical project for us and we're seeking a professional who can deliver quality work within a reasonable timeframe.

    $32 / hr (Avg Bid)
    $32 / hr Сер. заявка
    57 заявки
    Full-stack MERN Developer Needed 6 дні(-в) left

    I am looking for a skilled MERN stack developer to handle all aspects of a new web project. Key Responsibilities: - Front-end development using ReactJS - Back-end development using Node.js - Database management, particularly with MongoDB Requirements: - Proficiency in JavaScript, React, and MongoDB - Previous experience with MERN stack development - Ability to follow a provided design Preferably, the candidate should have experience in developing responsive and performance-oriented applications. The project is already designed and ready to be implemented.

    $10 - $14 / hr
    $10 - $14 / hr
    180 заявки
    React & Node.js Project Assistance 5 дні(-в) left

    I'm working on two projects - a GDPcoin web app and a presale portal app. The portal app is giving me some trouble and I'd appreciate some assistance. Here's what I need help with: - Troubleshooting: The app is producing error messages, exhibiting unexpected behavior, and has slow loading times. - Implementation: Specific features need to be implemented. - Performance: The app needs optimization for better performance. Key responsibilities: - Troubleshooting the errors: Investigating and resolving the error messages and unexpected behavior. - Implementing features: Integrating the specific additional features that are required for the portal. - Performance optimization: Enhancing the app's speed and responsiveness for a smoother user experience. Ideal skills and expe...

    $148 (Avg Bid)
    $148 Сер. заявка
    156 заявки
    Desarrollador Full Stack con experiencia en NodeJS 5 дні(-в) left

    Necesito un desarrollador Full Stack con experiencia en NodeJS para un proyecto a tiempo completo, 35 horas semanales. Idealmente, deberías tener experiencia en: - NodeJs: Fundamental para el desarrollo del proyecto. - MongoDB: Necesario para la gestión de información. - ExpressJS: Importante para la creación de APIs. - Manejo de API: Tu nivel intermedio es suficiente, ya que trabajaremos en conjunto en la integración de servicios. Por favor, asegúrate de que puedes comprometerte a un mínimo de 35 horas a la semana antes de aplicar para este proyecto. La capacidad para comunicarte de forma efectiva en inglés es un plus.

    $510 (Avg Bid)
    $510 Сер. заявка
    86 заявки
    Full Stack Developer con Experiencia en NodeJS 5 дні(-в) left

    Necesito un desarrollador Full Stack con experiencia en NodeJS para un proyecto a tiempo completo, 35 horas semanales. Idealmente, deberías tener experiencia en: - NodeJs: Fundamental para el desarrollo del proyecto. - MongoDB: Necesario para la gestión de información. - ExpressJS: Importante para la creación de APIs. - Manejo de API: Tu nivel intermedio es suficiente, ya que trabajaremos en conjunto en la integración de servicios. Por favor, asegúrate de que puedes comprometerte a un mínimo de 35 horas a la semana antes de aplicar para este proyecto. La capacidad para comunicarte de forma efectiva en inglés es un plus.

    $543 (Avg Bid)
    $543 Сер. заявка
    10 заявки
    XML Parsing & DB Storage with Front End Interface 5 дні(-в) left

    I'm looking to have a system developed that can process process the incoming XML files and save them into the DB - refer to Database Structure attached. The system will also need to feature a user-friendly front end interface to allow filtering, searching and downloading of the processed data. Key Requirements (See attachement for detailed brief) - Front-End: NextJS using TypeScript - Back-End: NodeJS/ExpressJS using TypeScript - Ability to develop a relational database system using MySQL - Containerization: Docker (with docker-compose preferred) - XML invoice processing*: language-independent but would prefer Python The XML files are relatively small but there will be e.g. 10-20 per day and they will stored in an ftp location. The selected freelancer will have the opportun...

    $17 / hr (Avg Bid)
    $17 / hr Сер. заявка
    59 заявки
    AWS-Powered Mobile App Development 5 дні(-в) left

    I'm looking for a skilled app developer with hands-on experience in AWS services for mobile app development. Key Requirements: - Expertise in building mobile apps - Proven experience with AWS technology - Ability to integrate various AWS services into the app - Familiarity with cloud-based architecture and security standards Your application must showcase relevant experience in mobile app development, particularly with AWS services. Please include details about your previous projects and the specific role you played in each.

    $522 (Avg Bid)
    $522 Сер. заявка
    118 заявки
    MERN Stack Developer Needed 5 дні(-в) left

    I'm seeking a skilled MERN stack developer to support an existing platform with adding new features and optimizing the current codebase. - Primary Goal: The key objective is to introduce new features and enhance the current platform. The details of these features are still subject to discussion, so I need a developer who is proactive in suggesting the best practices based on their experience. Ideal candidates should have: - Proficiency in MongoDB, , React.js, and Node.js. - A proven track record of developing and enhancing MERN stack projects. - Ability to suggest and implement scalable and efficient solutions. - Strong communication skills and ability to collaborate effectively. Your expertise will be pivotal in our platform's growth and success. I look forward to discus...

    $4 / hr (Avg Bid)
    $4 / hr Сер. заявка
    68 заявки

    I'm looking for a web developer experienced in creating dynamic, engaging websites for sports clubs. My requirements are as follows: - The website should primarily serve three purposes: providing information about our club, enabling membership registration, and offering updates on upcoming events. - In the 'Information about the club' section, I need to focus on displaying match summaries and live score updates. - Moreover, live score updates should be updated every minute during matches. The ideal freelancer for this project should be skilled in web development and have prior experience with dynamic data updates, preferably related to sports. Experience working with sports clubs or membership websites will be highly advantageous. and I need complete frontend,backend,adm...

    $17 (Avg Bid)
    $17 Сер. заявка
    19 заявки

    I'm in need of a MERN stack expert specifically skilled in MongoDB. The developer will be required to leverage MongoDB to create: - User authentication: You should be able to design a solid, secure, and efficient authentication system for our users. - Data backup: I need a developer with demonstrable experience in effectively and securely backing up data. - Real-time data management: You should have prowess in real-time data management. This involves ensuring that our users gain access to real-time, accurate and updated information promptly. - dynamic live match summary for every minute and maintain the mating the post match summary Having experience in , React.js, and Node.js will be a plus but the main focus is MongoDB. Only expert-level developers with proven track records i...

    $29 (Avg Bid)
    $29 Сер. заявка
    25 заявки

    I am looking for an expert to build a React Native application to facilitate employee management. If you have experience and skill in React Native, this could be a perfect fit. Features Needed: - User Authentication: Users should be able to log into the application securely. - Push Notifications: The app should be able to notify users of updates and notices. - GPS Tracking: The app must include real-time location tracking of employees. - Attendance: The system should be able to log and deliver attendance reports. Application Specifications: - Target Audience: Our employees will be the primary users. - Platforms: The application should be cross-platform and run both on Android and iOS. Only experienced coders with proven track record in React Native development and a solid understandin...

    $134 (Avg Bid)
    $134 Сер. заявка
    26 заявки
    Idempotency Setup for Payment and Order Systems 3 дні(-в) left

    We need a developer to implement idempotency in our e-commerce system to manage order creation and payment processes efficiently. The goal is to ensure that duplicate orders and payments are handled correctly to improve reliability and user experience. Requirements: Idempotency for Order Creation: 1. Implement logic to check for existing orders using an idempotency key. 2. If a duplicate request is detected, the server should return a cached response. 3. If no duplicate is found, the server processes and creates a new order. Idempotency for Payment Initiation: 1. After order creation (new or from cache), initiate or check the status of the payment. 2. Handle payment retries only if necessary (e.g., previous attempts failed or expired, but not if already successfully processed). Deliver...

    $46 (Avg Bid)
    $46 Сер. заявка
    15 заявки
    Senior Programmer to finish my website platform 3 дні(-в) left

    Senior Professional experience: frontend, with , React, TypeScript and if possible, Tailwind. In the backend, TypeScript, GraphQL, and Express are essential. Will give you more info about it after we talk.

    $2508 (Avg Bid)
    $2508 Сер. заявка
    72 заявки

    My name's is Raju, and I'm currently facing an issue with PurgeCSS on my Node.js project. I've attempted to troubleshoot, but the application is not purging the unused CSS as it should. I'm hoping to work with someone who has: - Profound experience with Node.js. Though I have an intermediate understanding of Node.js, I could benefit from the expertise of someone more knowledgeable. - Proven experience with PurgeCSS. This is a main issue I'm encountering, so I need someone capable of efficiently troubleshooting and solving this problem. Your tasks would include: - Analyzing the current setup of PurgeCSS in the application. - Pinpointing the reason why the application does not purge unused CSS. - Assisting in implementing the proper fix to the issue experienced....

    $98 (Avg Bid)
    $98 Сер. заявка
    14 заявки
    Node.js Email Verification Script Test using nodemailer 2 дні(-в) left

    I need an expert in Node.js to test a script I have. This script is responsible for sending verification emails to users. It's crucial that this script is thoroughly tested to ensure it's working correctly and efficiently. Key Requirements: - The script is designed to verify a user's email address. Therefore, the freelancer should ensure that upon receiving the email, the user is able to confirm their email address. - The script currently uses the email service provider 'stack mail'. The freelancer needs to test the script with this particular email service provider to ensure smooth working and delivery of emails. - The urgency of this project is high. I request that the freelancer completes the testing as soon as possible. Ideal Freelancer: - Proficient in Node....

    $8 / hr (Avg Bid)
    $8 / hr Сер. заявка
    74 заявки

    I'm seeking a mid-level MERN stack developer with 2-4 years of proficiency specifically in web development with React, data management using MongoDB, and Data Acquisition module development. This project is large-scale, extending over 11+ pages. Ideal candidates should: - Possess extensive experience in MERN Stack, React.js, MongoDB. - Be adept at implementing and managing data acquisition modules. - Have the ability to handle and efficiently work on a large project. - Be situated in Navi Mumbai or able to work remotely within the time zone. Please include proof of your skills and experience in your bid.

    $713 (Avg Bid)
    $713 Сер. заявка
    77 заявки
    Web-API Development for WhatsApp Messaging 23 годин(-и) left

    I'm in need of a Web-API that can facilitate sending WhatsApp messages using a sender's QR code. Key Requirements: - Development of a Web-API specifically for sending WhatsApp messages. - Ability to integrate the sender's QR code into the API for authentication.

    $8 / hr (Avg Bid)
    $8 / hr Сер. заявка
    54 заявки
    Backend Developer for Examination Testing 22 годин(-и) left

    I'm in need of a PERN/MERN backend developer to help me create an examination testing website created in React. Please refer to the website given below, I need functionality to be added to the website, include authentication, student and questions database and payment gateway integration. Key Requirements: - Excellent skills in SQL - Proficiency in backend technologies suitable for building a high-performance, secure, and scalable examination site - Previous experience with user registration and login systems - Strong understanding of database management The project will involve: - Implementing a user registration and login system based on email and password - Designing and setting up a database for storing student information and questions. Ideal candidates will have a good eye f...

    $19 (Avg Bid)
    $19 Сер. заявка
    19 заявки

    I'm in need of a talented developer who's proficient in blockchain technology, particularly in building smart contracts with Solidity. Your primary task will be to create a smart contract system to manage digital assets on our platform. This means you'll be responsible for defining, executing, and ensuring the negotiation of these digital assets. Key Responsibilities: - Develop a series of smart contracts on the Ethereum blockchain using Solidity that align with our digital asset management requirements - Ensure the smart contracts are secure, efficient, and well-tested. - Collaborate with our team to integrate these smart contracts into our existing Node.js backend. - Optimize the smart contract system to run smoothly and effectively at scale. Ideal Skills and Experience:...

    $81 / hr (Avg Bid)
    $81 / hr Сер. заявка
    35 заявки
    Azure Full stack engineer 13 годин(-и) left

    Have a project on Angular 16, .NET Core, Azure, and Docker to be implemented

    $13 (Avg Bid)
    $13 Сер. заявка
    18 заявки

    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.

    $37 / hr (Avg Bid)
    $37 / hr Сер. заявка
    31 заявки

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