• Architected a robust C# backend using .NET Core and Docker, improving data processing speed by 30%. Employed RabbitMQ for efficient messaging and xUnit for comprehensive unit testing.• Expedited precise requirements gathering through Joint Application Design sessions, ensuring seamless IoT device-cloud integration.• Leading cross-functional teams, architecting ZigBee MQTT solutions, and overseeing AWS cloud integration.• Achieved flawless device integration, configured for 99.9% uptime, and driving feature-rich cloud implementations.• Developing MQTT-driven API solutions to streamline AWS IoT Core communication with smart field devices.• Managed the integration of ST microcontrollers with AWS, achieving a 99% success rate in packet transmission over the LORAWAN network.• Engineered advanced heartbeat schemas for IoT devices, leveraging RESTful APIs to enhance real-time communication efficiency by 60% through seamless gateway integration.

Developed UI with React and adeptly managing state using Redux thereby achieving an enhanced user experience. Elevated backend performance through the development of RESTful APIs improving data retrieval efficiency by 40%.Optimized SQL queries by leveraging PostgreSQL, to enhance data retrieval capabilities, boosting efficiency by 25%.Integrated Node.js for real-time features, leveraging Socket.IO and WebSocket to implement dynamic chat functionalities.

Utilized React Native for cross-platform mobile app development, ensuring uniformity across iOS and Android platforms.Developed a robust modular component architecture, achieving a notable 25% reduction in code redundancy.Implemented ORM for 15 database entities resulting in a 30% reduction in the lines of code related to database queries.