Harsh S.

AI-Powered Full Stack Developer | Mobile, Web, Python, Firebase, AI

Hi! I'm Harsh, a Full Stack Developer with 𝟓+ 𝐲𝐞𝐚𝐫𝐬 building 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 mobile and web applications. I help startups and SaaS companies launch production ready solutions using 𝐅𝐥𝐮𝐭𝐭𝐞𝐫, 𝐑𝐞𝐚𝐜𝐭, 𝐏𝐲𝐭𝐡𝐨𝐧, 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞, 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞, and 𝐀𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬. ❖ 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 ◆ 𝗛𝘆𝗯𝗿𝗶𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 (𝗶𝗢𝗦 & 𝗔𝗻𝗱𝗿𝗼𝗶𝗱) → Flutter/Dart • React Native • Native Android (Java/Kotlin) → App Store & Google Play • Clean Architecture • MVVM • Riverpod • BLoC ◆ 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝘃𝗲 𝗪𝗲𝗯 𝗔𝗽𝗽𝘀 → React.js • Next.js • TypeScript • Tailwind CSS → Progressive Web Apps (PWA) • Single Page Applications (SPA) ◆ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜𝘀 → Python (Django/Flask/FastAPI) • Node.js/Express → Firebase (Auth, Firestore, Cloud Functions) • Supabase (PostgreSQL, Edge Functions) → RESTful APIs • GraphQL • WebSocket • Microservices ◆ 𝗔𝗜 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 → OpenAI GPT-4 • Claude AI • LangChain • RAG → Custom AI Chatbots • NLP • Computer Vision → TensorFlow • PyTorch • scikit-learn ◆ 𝗔𝗜-𝗔𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗲𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 → Lovable • Replit • Cursor AI • GitHub Copilot → 40-50% faster delivery • MVP to Production ◆ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 & 𝗖𝗹𝗼𝘂𝗱 → PostgreSQL • MySQL • MongoDB • Firebase • Supabase → AWS • Google Cloud • Vercel • Netlify ◆ 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀 & 𝗗𝗲𝘃𝗢𝗽𝘀 → Stripe • Razorpay • RevenueCat • Apple/Google Pay → CI/CD (GitHub Actions) • Docker • Automated Testing ❖ 𝗪𝗛𝗔𝗧 𝗜 𝗗𝗘𝗟𝗜𝗩𝗘𝗥 ✓ For 𝐒𝐭𝐚𝐫𝐭𝐮𝐩𝐬: Launch AI-powered MVPs 30-40% faster with mobile apps, web platforms, and scalable backends ✓ For 𝐒𝐚𝐚𝐒: Build complete platforms with cross-platform apps, dashboards, AI features, payments, and real-time sync ✓ For 𝐀𝐠𝐞𝐧𝐜𝐢𝐞𝐬: Deliver white-label solutions with production-grade code and reliable timelines ✓ For 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬: Modernize legacy systems or scale to 100K+ users with zero downtime ❖ 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 𝗛𝗜𝗚𝗛𝗟𝗜𝗚𝗛𝗧𝗦 ◈ 𝐀𝐈 𝐒𝐚𝐚𝐒 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 - Flutter + React + Python + Supabase Built complete SaaS with mobile apps (iOS/Android), web dashboard, Python APIs, and Supabase. Integrated OpenAI chatbot, Stripe subscriptions, and real-time sync. ◈ 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞 𝐂𝐡𝐚𝐭 - 100K+ Users Full-stack chat app with Flutter mobile, React web, Firebase backend, WebSocket. End-to-end encryption, push notifications, offline sync. ◈ 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 - Mobile + Dashboard + Backend Flutter app, React admin panel, Python/FastAPI, Supabase. Stripe payments, inventory management, real-time tracking. Result: 40% crash reduction, 4.6★ rating. ◈ 𝐋𝐨𝐯𝐚𝐛𝐥𝐞 𝐭𝐨 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 - 14 Days Transformed AI code into production app with Flutter, React, Python, GPT-4, and Supabase. Launched ahead of schedule. ❖ 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 ◇ 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → Hybrid mobile apps (Flutter/React Native) for iOS & Android → Responsive web apps (React/Next.js) → Progressive Web Apps • End-to-end development ◇ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬 → Python (Django/Flask/FastAPI) • Node.js → Firebase/Supabase setup • REST/GraphQL APIs → Database design (PostgreSQL/MongoDB/MySQL) ◇ 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 → OpenAI GPT • Claude AI • Custom chatbots → LangChain • RAG • ML models • NLP ◇ 𝐀𝐈 𝐂𝐨𝐝𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 → Lovable/Replit refactoring • MVP to production → Cursor AI integration • Quality assurance ◇ 𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 → Stripe • RevenueCat • Apple/Google Pay → App Store/Play Store publishing • Web deployment → CI/CD • Beta testing ❖ 𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗙𝗢𝗥: ✅ Full-Stack Mobile & Web Apps (iOS/Android/Web) ✅ AI Integration (ChatGPT/Custom Chatbots/ML) ✅ Backend Development (Python/Node.js/Firebase/Supabase) ✅ Real-Time Features (Chat/Notifications/WebSocket) ✅ Payment Integration (Stripe/RevenueCat/Subscriptions) ✅ Clean Architecture (Scalable/Production-Ready) ✅ Lovable/Replit Optimization (AI Code Refactoring) ✅ Legacy Migration (Native to Flutter/Performance) Let's build full stack solutions that scale, perform, and deliver real business results. 📞 𝗟𝗘𝗧'𝗦 𝗖𝗢𝗡𝗡𝗘𝗖𝗧 Send your project details, I'll respond within 24 hours with a clear plan and timeline. No pitches, just actionable solutions.