Siraj Ul H.

I build complete products: the firmware inside the device, the AI that makes it smart, and the desktop & mobile apps that control it. 19 years experience | $400K+ earned | 75 jobs | 15,000+ hours on Upwork Most projects stall between separate teams: hardware engineers who can't build apps, and app developers who don't understand the device. I handle the full stack, so you get one reliable point of contact from prototype to release. ━━━━━━━━━━━━━━━ IoT & EMBEDDED • Microcontroller firmware in C/C++: Wi-Fi/BLE, sensors, relays, dimmers, OTA updates • Custom PCB design and prototyping, ready for manufacturing • Smart home features: Alexa voice control, scheduling, energy monitoring, offline mode AI INTEGRATION • Adding AI to your product: chatbots, document processing, smart automation • Python and C# integration with modern AI models and APIs C# .NET APPLICATIONS (19 years) • Desktop: WPF, WinUI, WinForms modernization • Mobile: Android & iOS with .NET MAUI (incl. Xamarin to MAUI migration) • Backend: ASP.NET Core Web API, SignalR real-time systems, SQL / Dapper ━━━━━━━━━━━━━━━ RECENT WORK OmniVolt Smart Touch Panel: a smart glass switch panel I led from PCB to firmware to Android/iOS apps. Offline control, Alexa voice commands, fan & LED dimming, 1500W smart socket, SOS alert, energy tracking, and OTA updates. (See portfolio.) HOW I WORK • Clear milestones with working demos, not just status updates • Clean, documented code that you fully own • Replies within a few hours Tell me what you're building. I'll reply with a quick plan and an honest estimate.