The latest articles on DEV Community by Dharshan G (@dharshang_317). https://dev.to/dharshang_317 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4090808%2F2305aa1b-694f-4872-9376-4f3a30242485.jpg https://dev.to/dharshang_317 en Dharshan G Sun, 23 Aug 2026 12:36:54 +0000 https://dev.to/dharshang_317/rakthalink-ai-an-ai-assisted-blood-donor-platform-developed-by-dharshan-g-2026-2j69 https://dev.to/dharshang_317/rakthalink-ai-an-ai-assisted-blood-donor-platform-developed-by-dharshan-g-2026-2j69 <p>In critical medical emergencies, finding a voluntary blood donor quickly and reliably can save a life. Traditional registries often suffer from outdated contact lists, lack of privacy for voluntary donors, and no clear way to rank donors based on biological compatibility and geodesic distance.</p> <p>To solve this challenge, I developed <strong>RakthaLink AI</strong> in <strong>2026</strong> — an intelligent, privacy-first coordination platform connecting voluntary blood donors and requesters.</p> <h3> 🌐 Live Platform &amp; Source Code </h3> <ul> <li> <strong>Live Web Application:</strong> <a href="https://rakthalink-ai.vercel.app" rel="noopener noreferrer">https://rakthalink-ai.vercel.app</a> </li> <li> <strong>GitHub Repository:</strong> <a href="https://github.com/dharshang317-cyber/Rakthalink-ai" rel="noopener noreferrer">https://github.com/dharshang317-cyber/Rakthalink-ai</a> </li> <li> <strong>Developer:</strong> Dharshan G (2026)</li> </ul> <h3> 🩸 Key Innovations &amp; Features </h3> <ol> <li> <p><strong>3-Step Mathematical Matching Engine:</strong></p> <ul> <li>Evaluates red blood cell biological compatibility matrices.</li> <li>Calculates geodesic proximity using the <strong>Haversine Distance Formula</strong> to rank nearby available donors with a transparent <strong>0–100 Platform Match Score</strong>.</li> </ul> </li> <li> <p><strong>WhatsApp-Style Real-Time Interactive Chat:</strong></p> <ul> <li>Requesters and donors can coordinate hospital blood bank visits, arrival timings, and requirements instantly through a built-in WhatsApp-styled messaging interface.</li> </ul> </li> <li> <p><strong>Automated Transactional Emails with 1-Click Action Buttons:</strong></p> <ul> <li>Donors receive an automated email notification: <em>"You have been got the request from [Requester Name]"</em> containing direct <strong><code>Accept</code></strong> and <strong><code>Cancel</code></strong> action buttons.</li> <li>Requester receives real-time confirmation as soon as a donor accepts or cancels.</li> </ul> </li> <li> <p><strong>Privacy-Gated Mutual Consent Protocol:</strong></p> <ul> <li>Donor phone numbers and private contact details remain masked until the donor explicitly reviews and accepts the request.</li> </ul> </li> </ol> <h3> 🛠️ Architecture &amp; Tech Stack </h3> <ul> <li> <strong>Frontend:</strong> React 19, Vite, Tailwind CSS, Google Identity Services OAuth 2.0</li> <li> <strong>Backend:</strong> Node.js, Express, Nodemailer, REST API Gateway</li> <li> <strong>Database:</strong> MongoDB Atlas (Geospatial <code>2dsphere</code> Indexing)</li> <li> <strong>Security:</strong> Helmet, Rate Limiters, JWT Authentication</li> </ul> <p><strong>RakthaLink AI</strong> demonstrates how modern web technologies and ethical AI assistance can streamline voluntary healthcare coordination and save lives.</p> <p>Check out the live platform at <strong><a href="https://rakthalink-ai.vercel.app" rel="noopener noreferrer">rakthalink-ai.vercel.app</a></strong>!</p> webdev javascript react opensource