Proven experience as a full-stack developer in IoT, Smart Cities, or Industrial IoT (IIoT) projects Strong proficiency in React.js for frontend development Hands-on experience with Python backend frameworks (FastAPI, Flask, Django) Solid understanding of SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, InfluxDB, CouchDB) databases Expertise in IoT protocols (MQTT, WebSockets, AMQP) and data ingestion techniques Familiarity with cloud-based IoT platforms and edge computing strategies Experience with DevOps tools (CI/CD pipelines, Docker, Kubernetes, Terraform, Ansible) Strong knowledge of security best practices for IoT applications Experience with LoRaWAN, NB-IoT, Zigbee, Bluetooth LE (Nice-to-Have) Knowledge of time-series databases (Nice-to-Have) Background in AI/ML integration (Nice-to-Have) Familiarity with urban infrastructure, traffic management, environmental monitoring (Nice-to-Have)