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I need a developer who can build and seamlessly embed a real-time chat component into my existing site. Visitors should be able to open the widget instantly, exchange text, images, and documents, and escalate any conversation into a one-click audio or video call without leaving the page. A key requirement is permanent conversation history: even if a user closes the browser or returns days later, every message must reappear exactly where they left off. Please architect secure storage for this data and make sure nothing is lost, duplicated, or exposed. The interface has to feel as clean on mobile as it does on desktop—fast load, smooth animations, and an overall modern look. I’m flexible on the underlying stack as long as it supports WebSocket-style real-time messaging and WebRTC calling, and you can justify the choice for long-term maintainability. Deliverables • Fully functional chat widget integrated into my site • Persistent, encrypted conversation storage • In-chat audio and video calling • File and image sharing with progress feedback • Responsive UI that passes device testing • Developer documentation for future maintenance I’m only interested in someone who has already shipped real-time chat or calling products; please share a working link or repo that proves it.
Projekt-ID: 40056548
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70 Freelancer bieten im Durchschnitt €261 EUR für diesen Auftrag

Hi there, I can build your custom persistent live chat system exactly as required—real-time, reliable, and fully integrated into your existing platform. With solid experience in WebSockets, custom chat architectures, and scalable backend systems, I can deliver features like message persistence, user presence indicators, read receipts, file sharing, and smooth UI interactions. You’ll get: A fully custom, high-performance chat module (no third-party limitations) Secure authentication + role management Real-time WebSocket communication Persistent message storage (MySQL, MongoDB, or your preferred DB) Clean, modular code + documentation Fast delivery and ongoing support I can start immediately—happy to review your current system and propose the best architecture. Looking forward to working with you.
€140 EUR in 7 Tagen
8,9
8,9

Hello, I will build a real time chat widget for your site that opens instantly and feels natural to use. Visitors will be able to send messages, images, and files, and I will add a simple one click way to jump into an audio or video call without leaving the page. I will set up secure, permanent storage so every conversation reappears exactly where the user left it, even days later, with no lost or duplicated messages. I will shape the interface so it feels smooth on both mobile and desktop, with quick load times and a clean, modern flow. I will choose a stack that supports real time messaging and WebRTC in a stable way and explain why it fits your long term needs. Looking forward to discussing further. Best Regards, Kamran
€90 EUR in 10 Tagen
8,4
8,4

Hello, I am a friendly and reliable full-stack developer with solid experience in Shopify, WordPress, PHP, Laravel, React, Node.js, Odoo, and mobile app development (Flutter/React Native). I love building clean, fast, and user-friendly web and mobile solutions. Whether you need custom features, API integrations, Odoo workflows, mobile apps, or UI/UX improvements, I’m here to help. I communicate clearly, deliver on time, and always aim to build long-term working relationships. Happy to support your project anytime! With Regards! Nikhil
€250 EUR in 7 Tagen
8,1
8,1

Hello, I can build and integrate a fully real-time chat system into your existing site, including text, file sharing, and one-click audio/video calls. I’ve previously delivered WebSocket-based messaging and WebRTC calling components, so I can ensure smooth performance, secure architecture, and long-term maintainability. Your chat widget will be embedded directly into your site, load instantly, and work flawlessly across desktop and mobile. Conversation history will be stored securely with encrypted, persistent storage so users always return to their full chat history without duplication or loss. File uploads will include progress indicators, and the entire UI will feel modern, lightweight, and responsive.
€160 EUR in 4 Tagen
7,8
7,8

I am an expert in Shopify, WordPress, and web development technologies. Ready to start RIGHT AWAY, I can seamlessly integrate a real-time chat component into your site with secure storage, audio/video calls, and responsive UI. With a proven track record in real-time communication projects, I ensure top-quality deliverables. Regards, Pooja
€200 EUR in 6 Tagen
7,0
7,0

Hello There!!! ⚜️⭐⭐⭐⭐⚜️(( Designing a secure, real-time chat system with persistent conversation history ))⚜️⭐⭐⭐⭐⚜️ This project caught my attention because you need a fully integrated live chat that supports text, file sharing, and one-click audio/video calls, all while maintaining permanent, encrypted conversation history. You are looking for a developer who can deliver a modern, responsive widget that feels seamless across devices and ensures reliability for returning users. I bring extensive experience building real-time chat systems using WebSockets and WebRTC, along with secure backend architecture in PHP and React.js frontends. My approach would ensure fast, smooth interactions, encrypted message storage, and a scalable design for long-term maintainability. Key Features • Persistent, encrypted chat history for all users • In-chat audio/video calls with instant escalation • File and image sharing with responsive, mobile-friendly UI I would be happy to discuss your requirements further and share examples of similar live chat systems I have delivered. Warm Regards, Farhin B.
€110 EUR in 3 Tagen
6,4
6,4

Hello, I am a seasoned developer with expertise in PHP, JavaScript, React.js, and UI/UX design. I have successfully delivered similar projects with a focus on real-time chat systems. My portfolio showcases my proficiency in creating seamless chat components and integrating them into websites. I understand the importance of secure and persistent conversation history, and I am committed to delivering a modern, responsive UI for optimal user experience on both desktop and mobile devices. I have experience with WebSocket-style messaging and WebRTC calling, ensuring long-term maintainability. Let's discuss how I can bring your vision of a custom persistent live chat system to life. Please review my portfolio for relevant examples. Thank you for considering my proposal.
€30 EUR in 7 Tagen
5,8
5,8

Hello there, I can develop a custom persistent live chat system for your site, featuring real-time messaging, file sharing, and seamless escalation to audio/video calls. The widget will ensure users can continue conversations uninterrupted, with securely stored and encrypted histories that remain intact even after closing the browser. The interface will be optimized for both mobile and desktop, offering a modern and fluid experience with smooth animations and fast load times. I will utilize a robust stack that supports WebSocket for messaging and WebRTC for calls, ensuring long-term maintainability and performance. Questions: • Are there specific security protocols or standards you would like to adhere to for data encryption? • Do you have a preference for any specific design elements or color palette for the chat UI? I have extensive experience in deploying real-time chat solutions and can provide you with a working demo or repository link of past projects to demonstrate my capability. Looking forward to collaborating and delivering a cutting-edge chat system for your site. Thanks and best regards, Faizan
€90 EUR in 5 Tagen
5,6
5,6

Hello there, I have experience building real-time chat systems with persistent messaging and seamless audio/video integration. In previous projects, I’ve implemented WebSocket-based messaging, secure encrypted storage for conversation history, file/image uploads with progress feedback, and WebRTC-powered calling all fully responsive across desktop and mobile. I focus on clean UI, fast load times, and smooth animations to ensure a polished user experience. I suggest using a WebSocket backend Node.js or similar paired with a WebRTC module for calls, ensuring long-term maintainability while supporting all required features. We can integrate the chat widget directly into your existing site, with detailed documentation for future updates or extensions. Could you clarify if you prefer the chat and call history to be stored on your existing database or if setting up a dedicated real-time storage solution is acceptable? Best regards, Aliza K.
€150 EUR in 3 Tagen
5,4
5,4

⚠️Most projects don’t meet our internal criteria, but yours clearly does.⚠️ I see your goal to embed a seamless, real-time chat widget with persistent, encrypted storage and one-click WebRTC calls, balancing performance and security across devices. This aligns perfectly with DigitaSyndicate’s expertise in scalable, API-driven communication platforms. At DigitaSyndicate, a UK based digital systems agency, we build precision engineered automation, web platforms, and AI powered ecosystems designed for scalability, security, and impeccable user experience. Recently we delivered a React and Node.js based collaboration tool featuring persistent real-time messaging and secure media sharing with minimal latency. Our deep focus on end-to-end encryption and performance optimization ensured flawless, cross-device functionality. Can you share your priorities and timelines so I can map the execution? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
€200 EUR in 14 Tagen
5,3
5,3

Salut, Te pot ajuta cu acest proiect care dupa cerinte are nevoie de un backend autoscalat,securizat,monitorizat,optimizat... pt multi sau foarte utilizatori...Daca ma insel te rog sa ma atentionezi Asadar trebui o integrare cloud(nu VPS pt ca-ti trebuie staff pt mentenanta,monitorizare si pt scalare manuala) pt acest ambitios proiect... Trebuie sa evaluez ce site/site-uri ai in acest moment sa vedem daca nu reprezinta o "gatuire" pt acest add-on. De altfel o vizita pe meseenger pt o conversatie mai aplicata ar fi utila in aceasta faza preliminara O zi excelenta!
€5.000 EUR in 45 Tagen
4,8
4,8

Hi There!!! I understand you need a seamless real-time chat component embedded into your existing site with full persistence and rich media features. !!>>> THE PROJECT GOAL IS TO DEVELOP A CUSTOM PERSISTENT LIVE CHAT SYSTEM WITH AUDIO/VIDEO CALL <<<!! I have studied your project description very well and can build a fast, secure, and fully responsive chat system that works on desktop and mobile. I am best fit for the project because I have successfully delivered real-time chat and calling solutions with persistent storage and WebRTC integration. 1. Real-time messaging with WebSocket support and smooth animations 2. Persistent, encrypted conversation history for returning users 3. In-chat audio/video calls plus file and image sharing I provide design, database management, testing, source code, and secure storage setup at the end of the project. I have 9+ years experience as a full stack developer and have built live chat and video call apps for client portals and SaaS products. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
€255 EUR in 11 Tagen
4,6
4,6

✨✨✨ I AM DOMINICO ✨✨✨ Your project needs someone who has actually shipped real-time systems—not someone learning on your budget. I’ll deliver a production-grade chat widget with WebSocket messaging, encrypted persistent storage, and seamless WebRTC audio/video escalation. Smooth mobile/desktop UI, instant load, file/image sharing with progress, and zero message loss—architected for scale and long-term maintainability. I’ve built and deployed real-time chat + calling modules before and can prove it with live links. Ready to integrate cleanly into your existing site.
€130 EUR in 3 Tagen
4,2
4,2

Hello mirianlopezg, I understand the need for a real-time chat with seamless integrations for your site. With over five years of experience in developing real-time chat applications, including text, image, and document exchanges with one-click audio and video escalation, I am well-equipped to meet your requirements. I propose architecting a secure data storage solution to ensure permanent conversation history without compromise. Let's discuss further to explore how I can enhance your site with a modern, responsive chat interface. Looking forward to chatting more with you. Best regards, Aurallian
€150 EUR in 14 Tagen
3,0
3,0

Hi there, I’ve already built and deployed real-time chat + WebRTC calling systems, so your requirements are a perfect match for my expertise. I can embed a fast, modern chat widget into your existing site with seamless text, file sharing, and one-click audio/video calls—all backed by encrypted, persistent message storage that restores every conversation exactly where users left off. My approach uses WebSockets for real-time messaging and WebRTC for calling, with a secure backend designed to prevent data loss, duplication, or exposure. The UI will be fully responsive and smooth across all devices, with clean animations and minimal load time. You’ll get: • Embedded real-time chat widget • Persistent, encrypted conversation history • Audio/video calling inside the chat • File + image sharing with progress indicators • Fully responsive UI • Clear developer documentation I can share a working demo of a similar chat/calling system on request. Ready to start immediately. Thanks, Shivali
€250 EUR in 5 Tagen
2,7
2,7

Hi mirianlopezg55, I am Vasyl, a seasoned developer with 8+ years of experience in React, Angular, Node.js, PHP, JavaScript, and HTML. I have carefully reviewed your project requirements for a Custom Persistent Live Chat System. I specialize in Node.js backend and frontend technologies like Cordova, React, Vue, and Angular, particularly in B2B/B2C SAAS and marketing tools. I propose to build a robust chat system with WebSocket-style messaging, WebRTC calling, and secure, encrypted conversation storage. The solution will include a fully functional chat widget, audio/video calling, file sharing, and a responsive UI for seamless user experience on both desktop and mobile. I will ensure long-term maintainability and provide detailed developer documentation. Let's discuss further to bring your vision to life. Thanks, Vasyl
€150 EUR in 7 Tagen
1,6
1,6

Hello, I can build and embed a fully real-time chat widget into your existing site, supporting text, images, documents, and seamless one-click escalation to audio/video calls via WebRTC. I’ll implement persistent, encrypted conversation storage so users return to complete history with no loss or duplication. The UI will be fast, modern, and fully responsive across all devices, with smooth animations and clear progress indicators for file uploads. I’ll use a maintainable stack with WebSocket-based messaging and a clean integration approach, plus provide full developer documentation for future updates. I have shipped real-time chat/calling features before and can share proof on request. Ready to start.
€200 EUR in 7 Tagen
1,5
1,5

Hello, how are you? I've reviewed the description carefully and I am sure I can deliver this task on time because I have rich experience. I understand that you need a developer to build a real-time chat component that can be seamlessly embedded into your existing site, allowing users to exchange messages, images, and documents, as well as escalate to audio or video calls with ease. I have hands-on experience in developing chat applications using WebSocket and WebRTC technologies. Here is my approach as follows: - Design and implement the chat widget ensuring it integrates smoothly with your site. - Develop secure and persistent storage for conversation history, ensuring no data is lost or duplicated. - Create a responsive UI for both mobile and desktop that guarantees fast load times and smooth animations. I am ready to start immediately and can deliver the result fast. I have previously worked on a similar project where I developed a chat application for an e-commerce site, which you can check out [here](insert link). I'd love to discuss in more detail. Best Regards.
€30 EUR in 7 Tagen
1,7
1,7

Hi, I can build and embed a fully functional real-time chat widget into your existing site with persistent, encrypted message storage, in-chat audio/video calls via WebRTC, and support for text, images, and document sharing with progress feedback. The interface will be fully responsive, fast-loading, and polished on both desktop and mobile. I’ll also provide thorough developer documentation for future maintenance—all within 24 hours. Quick question: Do you want the chat widget to require user authentication, or should it work for anonymous visitors while still keeping message history tied to a unique session? Best, Adil Ali
€100 EUR in 7 Tagen
1,6
1,6

Hi, I noticed you're building a real-time chat system with calling — I’ve built similar communication tools using websocket layers and rtc flows, so I can help with your full messaging and call experience. My approach would be to set up secure persistence, clean api points, and a smooth, responsive widget so users get fast load and steady history. Based on your description, the first version should take a short time to stand up since the features are clearly defined. I recently delivered a similar chat product that needed safe storage and instant calls. Quick question: do you already have user auth ready or should I include that setup as well? Hope to hear from you soon. Bohdan
€150 EUR in 5 Tagen
1,0
1,0

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