Muhammad Usama S.

👋 Hi there! I'm a Full-Stack Flutter Developer & AI Solution Architect with 5+ years of experience building scalable, intelligent mobile and web apps powered by LLMs, RAG, and automation workflows. ⚙️ What I Do AI + Backend Engineering Build RAG pipelines using LangChain, FastAPI, and Qdrant / Pinecone Integrate LLMs (OpenAI, Mistral, Claude) for chatbots, semantic search, and content generation Automate workflows with n8n and Node.js for end-to-end business logic Design vector-based knowledge systems for contextual and personalized app experiences Mobile & Frontend Leveraging AI tools (Cursor, Bolt.new, Copilot) to speed up delivery without sacrificing quality 📱 30+ apps published | 🏆 Top Rated Plus | ✅ 100% Job Success Product & MVP Launch - UX Design (Figma/XD), Prototyping, Agile delivery - Full-cycle dev: concept → build → launch QA & Collaboration - Automated Testing: Jest, Detox, Cypress, Postman - Version Control: Git, GitHub/GitLab, Jira, Trello, Slack Develop production-grade Flutter apps (cross-platform, offline-first, high-performance) Integrate AI features directly into Flutter (chat, summarization, recommendations) Build and scale products with Firebase, FastAPI, and Node.js backends 🧠 My Stack Languages: Dart, Python, JavaScript/TypeScript Frameworks: Flutter, FastAPI, Node.js (Express/Nest) AI & GenAI Tools: LangChain, OpenAI, Qdrant, Pinecone, Hugging Face Workflow Automation: n8n, Celery, Redis, Pub/Sub Databases: Firebase, MongoDB, MySQL, PostgreSQL 🏆 Highlights 🚀 30+ apps launched on App Store & Play Store 💡 Delivered AI-powered MVPs in under 8 weeks 📈 Scaled apps to 100K+ active users 🤖 Integrated LLM + RAG systems for HealthTech & SaaS platforms 🔄 Built n8n-based internal automation systems for data pipelines and task routing 💬 Why Clients Work With Me Clear communication, transparent reporting, and agile delivery Product mindset — I care about business value, not just features Scalable architecture with clean, modular code Long-term reliability — I maintain and evolve what I build Let’s combine AI, automation, and great UX to bring your next product to life. 💬 Ready to talk? Let’s build something incredible together.