Niza S.

Senior Full-Stack Engineer with 10+ years building mobile, web, AI, desktop, and IoT applications. I help startups and enterprises ship MVPs and scale apps 2x faster, with expertise in performance, reliability, automation, and cross-platform delivery. Core Expertise • Mobile & Desktop: Android, iOS, React Native, Kotlin, Swift, Tizen, WebOS, C++, C#, Delphi • Web & Backend: Node.js, .NET, TypeScript, JavaScript, Python, Java, Go • AI & Data: LLMs (RAG pipelines, Ollama, OpenAI, Anthropic APIs), LangChain, Hugging Face, TensorFlow, PyTorch, spaCy, Scikit-learn • Automation & Orchestration: n8n, Zapier, Make (Integromat), Airflow, Monday, CI/CD pipelines • Media Processing: OpenCV, FFmpeg, real-time video/audio streaming • IoT & Devices: Bluetooth, NFC, Alexa integration, Thermal Imaging • Cloud & Enterprise: AWS, Azure, Google Cloud, Firebase, MS Graph, REST, WebSockets, SSO (SAML, Keycloak) • DevOps: Git, Docker, Jenkins, Fastlane, Visual Studio, Xcode Specialized Solutions • Real-time video/audio solutions (FFmpeg, OpenCV, WebRTC) • AI-powered apps with LangChain, Hugging Face, n8n automations, and RAG pipelines Workflow automation with n8n, Zapier, Make, Airflow • IoT device integration (Bluetooth, NFC, Alexa) • Secure enterprise integrations (MS Teams, SSO, Keycloak) • Scalable backends & APIs (Node.js, .NET, Firebase, GraphQL)