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I’d like to commission a straightforward, browser-based application whose primary purpose is real-time chat. Web development is the only focus—no mobile or desktop build is needed right now. The chat must update instantly for all connected users, so please leverage WebSockets, [login to view URL], or an equally responsive alternative rather than long-polling tricks. I expect a clean, modern stack (Node.js, Express or Fastify, React/Vue/Svelte or similar on the client, plus a lightweight database such as MongoDB, Postgres, or Redis for message persistence). You’re welcome to suggest the exact tools you are most productive with; I’m open as long as they are widely supported and easy for another developer to maintain later. Deliverables • Full source code in a Git repository • Clear README with setup and build steps • Deployed demo link (Heroku, Vercel, [login to view URL] or comparable) showing live chat in action Acceptance criteria 1. Messages appear to all connected browsers in under one second. 2. Users can join or leave a room without refreshing the page. 3. The interface works on both desktop and mobile viewports. 4. Code is lint-clean and documented well enough for a hand-off. If you have previous chat or WebSocket projects in your portfolio, please include a link so I can quickly gauge fit. I’m eager to move ahead as soon as we align on the tech stack and timeline.
Project ID: 40416456
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129 freelancers are bidding on average $19 USD/hour for this job

I am a seasoned web developer with extensive experience in building real-time communication systems, making me well-suited to develop the Real-Time Chat Web App you envision. My expertise includes leveraging modern technologies like Node.js and Express on the server-side and React on the client-side, ensuring real-time responsiveness through WebSockets or Socket.io. I have a solid track record using databases such as MongoDB and Postgres for message persistence, aligning perfectly with your project requirements. I have previously developed and deployed multiple real-time chat applications, which are easily accessible in my portfolio. These projects underscore my capability to meet the criteria of instant message updates, seamless user transitions without page refreshes, and responsive design across desktop and mobile. Moreover, I ensure that my code is well-documented and lint-free for easy handoff to subsequent developers. I am interested in discussing the exact tech stack and timeline that suits your needs. Could we schedule a call to delve deeper into your specific preferences and objectives?
$20 USD in 40 days
8.2
8.2

As a full-stack developer with over 5 years of experience, specializing in web and mobile development, I am confident that I have the perfect skill set for your real-time chat web app project. Throughout my career, I have not only worked extensively with JavaScript and Node.js —perfect for leveraging WebSockets — but also used well-known databases such as MongoDB and Postgres, aligned with your requirements. My strong background in web development ensures that your project will be built on a clean, modern stack, making it easily maintainable for future developers. I understand the absolute necessity for a chat to update instantly for all connected users. My previous experience developing similar WebSocket projects has taught me vital skills in optimization that guarantee messages appear to all connected browsers under one second. Moreover, the fact that your app should be compatible with both desktop and mobile viewports is a challenge I relish. Being proficient in responsive frameworks like React, and Svelte ensures your app will function seamlessly on all devices. In addition to delivering quality code, I am committed to producing comprehensive documentation to ensure easy hand-off post-project completion. Rest assured that the exact tools I suggest will be widely supported and enhance developer productivity while providing reliability for your app’s long-term maintenance.
$15 USD in 40 days
6.6
6.6

Hello, I am a Web developer with expertise in the Chat using WebSockets and Supabase. I can do your task in short time. Hit me up !
$15 USD in 40 days
5.7
5.7

Hello there, we are a team of Senior Full Stack Web Developers and we can build your excellent scalable application for you. Please, send me a message to discuss the work and finish in no time. Thanks Ashish Kumar.
$20 USD in 40 days
5.6
5.6

With over 5 years of professional experience in web development, I am well-equipped to create the real-time chat web app you're looking for. I have a broad range of expertise including frontend and backend development and a deep understanding of the tools and technologies you've specified for this project. I am proficient in JavaScript, Node.js, and have worked with lightweight databases like MongoDB that you're considering. In addition to my technical skills, I bring a conscientious and detail-oriented approach to my work. My code is clean, optimized, well-documented and I pay special attention to performance optimization. All these practices are aimed towards making it easier for another developer to maintain the source code in the future, which aligns perfectly with your expectations for this project. I take pride in delivering projects within agreed-upon timelines while maintaining clear communication throughout the process. With me on your team, you can expect not just an efficient solution but also end-to-end support - from ideation to deployment. Let's work together and build an amazing real-time chat web app that meets all your requirements and exceeds your expectations.
$15 USD in 40 days
5.5
5.5

As a seasoned web and software developer, I have the very expertise you're demanding for this project. I've been involved in the creation of numerous real-time applications with intuitive user interfaces, leveraging technologies such as Node.js, Express, Vue.js or React to ensure rapid and reliable data updates using WebSockets or similar technologies. At the core of my ethos is delivering smart solutions that scale to meet your growing needs over time. With extensive experience in developing web platforms, SaaS products, automation workflows, and cloud infrastructures, building a reliable, robust and optimal chat application would be an assurance. Moreover, I'm committed to producing high-quality work that adheres to best practices - all the code will be lint-cleaned and meticulously documented for seams-free handoff. While I don't have an explicit chat or WebSocket project in my public portfolio due to client confidentiality concerns, rest assured that my background will lend ample expertise to creating a top-level solution capable of passing your acceptance criteria.
$20 USD in 40 days
4.2
4.2

Hello, I am Vishal Maharaj, a seasoned professional with 20 years of expertise in JavaScript, Web Development, Vue.js, Express JS, Node.js, NoSQL Couch & Mongo, and MongoDB. I have carefully reviewed your requirements for the Real-Time Chat Web App project. To achieve the desired outcome, I propose utilizing WebSockets for instant updates, Node.js with Express for the backend, and React for the frontend. MongoDB will be used for message persistence. I will ensure the application meets all acceptance criteria, including real-time messaging, seamless room joining/leaving, responsive design, and well-documented, lint-clean codebase. I am eager to discuss further details and initiate the chat. Cheers, Vishal Maharaj
$20 USD in 40 days
5.3
5.3

Hello, I checked your project "Real-Time Chat Web App" and I already have a clear idea how to deliver this efficiently. I have solid experience in JavaScript, NoSQL Couch & Mongo, Node.js, Express JS, Redis, Web Development, Vue.js, MongoDB, and I’ve worked on similar projects where I delivered high-quality, scalable, and clean solutions. Why choose me? • Strong expertise in JavaScript, NoSQL Couch & Mongo, Node.js, Express JS, Redis, Web Development, Vue.js, MongoDB • Clean, optimized, and scalable code • Fast communication and daily updates • 100% focus on delivering results, not just code If needed, I can also suggest improvements to make your project even better. Let’s connect I’m ready to start right away. Best regards, Umer
$15 USD in 1 day
3.7
3.7

Hello, The primary engineering challenge lies in ensuring real-time message delivery across multiple users without delay. This requires efficient state management and seamless data synchronization to prevent inconsistencies. Additionally, maintaining a secure environment for user interactions while enabling instant updates poses another significant complexity. To gain a better understanding, could you clarify the expected user load during peak times? Also, what specific security protocols do you envision for user authentication and data protection? Lastly, do you have a preferred approach for handling message persistence, or are you open to suggestions based on scalability needs? Looking forward to discussing the architecture further.
$15 USD in 40 days
3.3
3.3

As a Full Stack Developer with extensive experience in Node.js and web development, I am confident that my skills align perfectly with your Real-Time Chat Web App project. I have worked on several MERN stack applications, working with modern frameworks like React.js and leveraging WebSockets to create robust and efficient real-time features. I stay up-to-date with the latest tools and technologies, and thus can suggest the best stack for our project. Moreover, not only can I build a clean and responsive browser-based application, but I can also ensure that your chat app meets all four of your acceptance criteria. From implementing instant message updates using WebSockets to enabling seamless user joining/leaving abilities without page refreshing, even handling mobile viewports - I cover it all. Lastly, apart from delivering fast and powerful web apps, my commitment doesn't halt at the end of the project. I offer full support regarding deployments, maintenance and help in creating clear README files for easy hand-off to other developers when needed. So let's get started on creating a reliable and scalable real-time chat web app in a modern tech stack!
$15 USD in 24 days
2.8
2.8

Hi there, This project immediately caught my attention as it aligns perfectly with my experience in building real-time web applications using modern stacks. I specialize in developing scalable chat systems using WebSockets with Node.js and modern frontend frameworks like React or Vue, ensuring instant message delivery and smooth user experience. On a recent similar project, I built a real-time messaging system with room-based chat, live updates, and persistent storage using MongoDB—designed for low latency and high reliability. For your project, I will deliver a clean, responsive browser-based chat app with real-time messaging (under 1 second), seamless room join/leave, and a well-structured, documented codebase ready for handoff. I’ll also provide a deployed demo and full source code as required. I am comfortable communicating in Portuguese, English, and Spanish. I look forward to working with you. Best regards, Sóstenes Apollo
$20 USD in 40 days
2.1
2.1

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Vue.js, MongoDB, Express JS, Web Development, Node.js, Redis, NoSQL Couch & Mongo and JavaScript. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Best Regards
$50 USD in 30 days
1.0
1.0

As an experienced web developer with a focus on reliable execution, clear communication, and long-term collaborations, I'm confident that I'm the best fit for your real-time chat web app project. With a strong background in the exact stack and tools you're seeking - Node.js, Express/Vue.js, MongoDB, etc. - I can ensure to deliver clean, modern, and maintainable code that includes all your required functionalities like real-time message updates using WebSockets. Throughout my career, I've successfully built and deployed similar projects that prioritize fast data transmission within a second to all users. This demonstrates my deep understanding of WebSockets and dedication to delivering highly-responsive chat applications. In addition to providing you with comprehensive source code, detailed README setup instructions, and a deployed live demo of your app in action, I also believe in adding value by suggesting additional features or improvements for scalability if necessary as you continue to evolve your product. Allow me to leverage my skills and expertise to bring your vision to life! Let's have a conversation about your timeline so that we can get started right away.
$15 USD in 40 days
0.6
0.6

Hello, I’d be happy to help with your project. I have extensive experience in developing real-time chat applications using WebSockets for instant updates and lightweight databases like MongoDB for message persistence. I understand the importance of clean, maintainable code to ensure seamless hand-offs and successful deployments. Here’s how I’ll approach your project: ✔ Implement real-time chat functionality using WebSockets ✔ Develop with a modern stack: Node.js, Express, React, and MongoDB ✔ Ensure messages update instantly for all users ✔ Create a responsive interface for desktop and mobile ✔ Provide full source code, clear README, and a deployed demo link My goal is to deliver a reliable, polished solution that meets all acceptance criteria and is easy for future developers to maintain. Best regards, Manthan
$15 USD in 30 days
0.0
0.0

Hello, With 8 years of experience in JavaScript and Web Development, I am well-equipped to handle your Real-Time Chat Web App project. I understand your requirement for a browser-based application with real-time chat functionality using WebSockets or a similar technology to ensure instant updates for all users. As a Professional Web Developer & Creative Designer with expertise in Web Development & Social Media Marketing & Management, I am confident in providing a clean and modern stack using Node.js, Express, React/Vue/Svelte, and a lightweight database like MongoDB, Postgres, or Redis. Let's discuss further details in the chat to ensure a successful collaboration on this project. Best regards
$20 USD in 40 days
0.0
0.0

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "Real-Time Chat Web App" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$15 USD in 3 days
0.0
0.0

Hello, I reviewed the issue you described with real-time browser chat. The core challenge is keeping every room clear and responsive across devices. In a similar project I worked on, each message reached the right users once. I would handle this by giving each room one clear result where every message is visible to every active browser once. Before implementing this, I would like to confirm one detail: should users choose room names freely? Thank you for your time. I would be glad to discuss the project further. Best regards.
$20 USD in 40 days
0.0
0.0

I'll handle it, don't worry. I understand you're looking for a user-centric real-time chat application that delivers seamless automated updates using WebSockets or Socket.io. The focus on a clean and integrated web stack with easy maintainability aligns perfectly with a solution that balances performance and developer-friendly code. With extensive experience in Node.js, Express, React, and MongoDB where I've built chat platforms in which messages appear instantly and users interact effortlessly without page reloads. Although I am new to the Freelancer platform, I bring a wealth of real-world experience and a proven track record of successfully delivering projects beyond this platform. Recently i worked on projects showcasing real-time chat features that resulted in sub-second message delivery and responsive interfaces adaptable to both desktop and mobile views, with clear documentation for smooth handoffs. Let's connect and explore how we can bring your vision to life. Regards, Ahead Solutions P.S. If you're not happy — which we doubt — you don't pay.
$15 USD in 40 days
0.0
0.0

Hello I can build RT chat app in MERN stack, let's have a chat I am interested, I gave skills in web socket. Thanks Hamza
$20 USD in 40 days
0.0
0.0

Hi, I came across your requirement and I can help you build a clean, responsive, and high-performing solution. I have hands-on experience and I’ve worked on real projects involving real-time features and user-focused systems. I focus on delivering reliable work, clear communication, and quick turnaround. If you share your requirements, I can suggest the best approach and get started right away. Looking forward to working with you. Mandar
$20 USD in 60 days
0.0
0.0

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