AI-Based Trading Card Grading App Development

JOB POSTING: Senior Mobile App Developer / Full‑Stack Team Needed for AI‑Powered Grading & Marketplace App Position: Senior Mobile App Developer (iOS + Android) or Full Development Team Project Type: Full Build (Front‑End, Back‑End, AI Integration, Marketplace, Payments) Location: Remote Compensation: Competitive — based on experience and scope Start Date: Immediate --- ABOUT THE PROJECT I am building a premium, next‑generation mobile application called ART OG Official Grading — a futuristic, AI‑powered platform that gives power back to collectors by allowing them to: • Grade trading cards using AI • Build a digital inventory • Track collection value daily (like a stock portfolio) • Share their cards socially • Buy and sell through a built‑in marketplace • Order physical slabs with printed labels The app will be clean, modern, bold, and visually premium, using my brand identity and the futuristic grading visuals I provide. This is a full‑scale build, not an MVP. I am looking for a developer or team capable of delivering a polished, production‑ready app with advanced features. --- WHAT YOU WILL BUILD 1. Mobile App (iOS + Android) A complete, high‑end mobile application with: • AI‑powered card grading • Digital slab generation • Inventory management • Marketplace (buy/sell) • Daily valuation engine • Social sharing • Physical slab ordering • Real‑time updates • Advanced device features (camera, sensors, etc.) --- 2. AI GRADING ENGINE (Image Analysis) You will build or integrate: • Image preprocessing pipeline • Multi‑angle card analysis • Surface defect detection • Corner/edge analysis • Centering measurement • Authenticity checks • Subgrade calculation • Confidence scoring • Digital slab label generation Experience with computer vision, CNNs, transformers, or similar models is required. --- 3. MARKET DATA ENGINE (Daily Updates) You will build an AI‑powered valuation system that: • Scrapes or aggregates public sales data • Analyzes comparable sales • Adjusts for grade differences • Detects trends • Updates values daily • Feeds into a portfolio graph This is similar to a stock portfolio tracker, but for trading cards. --- 4. MARKETPLACE SYSTEM You will build: • Listing creation • Search + filters • Buyer/seller flows • In‑app payments • Transaction history • Seller dashboard • Order management Experience with Stripe, PayPal, or similar payment APIs is required. --- 5. SELF‑ENCAPSULATION ORDER SYSTEM You will build: • Order form • Shipping address management • Payment processing • Order tracking • Admin dashboard for fulfillment --- 6. BACKEND ARCHITECTURE You will design and build: • User accounts + authentication • Database for cards, grades, values, orders, listings • API endpoints • AI processing pipeline • Marketplace engine • Notification system • Admin tools • Secure storage for images and certificates Preferred stack: • Node.js / Python • PostgreSQL / MongoDB • AWS / Google Cloud / Azure • Firebase for auth (optional) --- 7. FRONT‑END DEVELOPMENT You will build a high‑fidelity, premium UI based on: • Clean, modern, bold design • Dark theme with metallic green accents • Holographic animations • Smooth transitions • High‑end visual polish Preferred frameworks: • React Native (preferred) • Flutter (acceptable) • Native iOS/Android (if team is large enough) --- 8. REQUIRED SKILLS MUST HAVE • 5+ years mobile development experience • Strong portfolio of polished apps • Experience with AI/ML integration • Experience with image analysis or computer vision • Experience building marketplaces • Experience with payment systems • Experience with real‑time or daily data updates • Strong backend architecture skills • Strong UI/UX implementation skills • Ability to deliver a full production build BONUS SKILLS • Experience with trading card apps • Experience with valuation engines • Experience with e‑commerce platforms • Experience with admin dashboards • Experience with AWS AI/ML tools --- 9. WHAT I WILL PROVIDE • Full product blueprint • High‑fidelity wireframes • Brand assets (logo, colors, style) • Visual references (grading animations, slab designs) • Feature list + user flows • API requirements • Ongoing feedback and direction --- 10. EXPECTATIONS Deliverables • Full iOS + Android app • Backend + database • AI grading engine • Valuation engine • Marketplace system • Payment integration • Order management • Admin dashboard • Full UI/UX implementation • Testing + QA • Deployment to App Store + Google Play Communication • Weekly progress updates • Milestone‑based delivery • Clear timelines • Ability to collaborate and iterate Quality This is a premium app. I expect: • Smooth animations • Clean UI • Fast performance • Accurate AI grading • Secure backend • Professional polish