Hi, I'm Hung, a Senior Full-Stack & AI Mobile Developer With hands-on experience shipping scalable mobile and web applications, I specialize in bridging cutting-edge AI with real-world product needs. I've architected solutions for healthcare, fintech, and SaaS clients from AI-driven patient coordination platforms to real-time video analytics and autonomous workflow agents. here is my portfolio: https://onedream0824.vercel.app/ 🔧 Core Expertise • Web Development: React, Next, Nuxt, Vue.js, Nest.js, Python • Mobile Development: React Native, Flutter, Swift, Kotlin with clean architecture, offline-first design, and App Store optimization • AI/ML Integration: LLM orchestration (OpenAI, Claude, Gemini), RAG pipelines (Pinecone, pgvector), LangChain/LlamaIndex agents, and prompt engineering for production • Automation & Ops: n8n, Make.com, Vapi, Retell AI, CRM/API integrations, CI/CD, and HIPAA-aligned cloud deployments (AWS/Azure) • Specialized Domains: Computer vision, real-time streaming, secure payments, and regulated-industry compliance ✨ How I Work -> I partner closely with founders and product teams to translate vision into technical strategy -> I prioritize maintainable code, clear documentation, and measurable outcomes -> I communicate proactively across time zones (EST/PST/AUST, flexible) and adapt to your workflow (Agile, Jira, Slack) Currently available for selective freelance, contract, or fractional leadership roles. Let's schedule a brief call to discuss your project goals and how I can help accelerate delivery.