The latest articles on DEV Community by JPJP19 (@jpjp19). https://dev.to/jpjp19 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%2F4171013%2F8fb48706-2508-4217-b688-ad6a701b3f7f.png https://dev.to/jpjp19 en JPJP19 Thu, 08 Oct 2026 10:28:57 +0000 https://dev.to/jpjp19/introducing-wasteconnect-ai-powered-recycling-marketplace-2cp7 https://dev.to/jpjp19/introducing-wasteconnect-ai-powered-recycling-marketplace-2cp7 <p>Introducing WasteConnect — AI-Powered Recycling Marketplace</p> <p>We built WasteConnect, an intelligent recycling marketplace that connects waste generators with suitable recyclers using AI-powered waste understanding, semantic matching, and competitive bidding.</p> <p>What does WasteConnect do?</p> <p>WasteConnect turns the process of selling recyclable waste into an intelligent marketplace.</p> <ol> <li><p>AI Waste Identification<br> Users upload a waste image and optional description. Gemma analyzes the waste and identifies its category, materials, condition, and potential hazards.</p></li> <li><p>Automatic Listing Creation<br> Instead of manually filling multiple fields, AI converts the uploaded information into a structured waste listing that the user can review and confirm.</p></li> <li><p>Intelligent Recycler Matching<br><br> The system identifies recyclers who can actually handle the material. Semantic embeddings + pgvector** match the waste with recycler capabilities even when different terminology is used.</p></li> <li><p>Smart Eligibility Filtering<br><br> Deterministic algorithms check important constraints such as <strong>material compatibility, service radius, recycler verification, and safety authorization</strong>.</p></li> <li><p>Competitive Bidding <br> Multiple eligible recyclers can compete for the same waste by submitting bids, creating a transparent marketplace instead of a single fixed-price transaction.</p></li> <li><p>AI-Powered Bid Analysis <br> Gemma analyzes competing offers using factors such as <strong>price, distance, pickup convenience, reliability, and risk</strong>, helping the user understand which option provides the best overall value.</p></li> <li><p>Recycler AI Copilot**<br><br> Recyclers can interact with the platform using natural language to discover relevant waste listings and identify promising opportunities.</p></li> <li><p>Trust &amp; Dispute Intelligence**<br><br> Transaction history and quantity discrepancies can be analyzed to identify potential issues and assist in resolving disputes.</p></li> </ol> <p>How we built it</p> <p>The core idea was to <strong>give each component the responsibility it is best suited for</strong>:</p> <p>Gemma 4 + Ollama** → vision, reasoning, extraction, reranking and bid analysis</p> <ul> <li>🔎 <strong>Sentence Transformers</strong> → semantic embeddings</li> <li>🗄️ <strong>PostgreSQL + pgvector</strong> → semantic recycler search</li> <li>⚙️ <strong>FastAPI + Python</strong> → backend and APIs</li> <li>💻 <strong>Next.js + React + Tailwind CSS</strong> → frontend</li> <li>🐳 <strong>Docker</strong> → development and deployment</li> <li>📐 <strong>Deterministic algorithms</strong> → distance, filtering, validation and business rules</li> </ul> <h3> 🔥 What makes it different? </h3> <p>WasteConnect is <strong>not simply an "upload → ask AI → get an answer" application</strong>.</p> <p>It combines:</p> <blockquote> <p><strong>Multimodal AI + Semantic Search + Vector Database + Deterministic Algorithms + Competitive Marketplace + AI Decision Support</strong></p> </blockquote> <p>Gemma understands and reasons, embeddings discover semantic relationships, algorithms enforce correctness, and the database provides real-world context.</p> <p>The final decision always remains with the user — AI helps them make a <strong>better-informed decision</strong>.</p> ai api programming productivity