Varun Saxena is a seasoned IoT, IT, and telecommunications engineer with 13+ years of experience delivering end-to-end IoT and full-stack systems. He is a graduate of Saarland University (Germany) and has worked across industry and research, including roles at Nokia Siemens Networks, Fraunhofer IIS, and leading IoT platform development at NÜWIEL GmbH. Varun has delivered IoT fleet-management and tracking solutions used by Vodafone and other operators, and has built signal-processing and machine-learning pipelines using C++, Python, Java, JavaScript, Linux/Windows, Docker, Kubernetes, and AWS/Azure—combining deep engineering execution with structured operational delivery.