Designed and developed robust ETL pipelines using Apache Airflow and Python, managing data extraction, transformation, and loading into Google BigQuery. • Implemented data quality checks and monitoring processes, ensuring the reduction in errors and maintaining high data accuracy and consistency. • Optimized SQL queries and database performance, improving query execution time by 30% to enhance overall system efficiency.

Designed and developed robust backend systems and APIs using Java, ensuring seamless data flow and system functionality.Implemented comprehensive unit tests and error-handling mechanisms, improving application reliability and reducing bugs in production.

Designed and developed robust IoT systems for data collection, processing, and transmission using IoT frameworks and protocols like MQTT and CoAP.Implemented sensor data monitoring and quality checks, ensuring high accuracy and reliability across IoT networks.