-Designed and implemented robust ETL pipelines, resulting in a 30% reduction in data processing time and improved data accuracy-Successfully integrated external data sources, providing stakeholders with a comprehensive view of business data and enhancing decision-making processes.-Cleaning and preprocessing data to ensure accuracy and consistency.-Transforming data into the desired format for analysis, including aggregations, joins, and pivotsusing SQL. -Writing complex SQL queries to retrieve specific data subsets from BigQuery tables.-Optimizing queries for performance and cost efficiency.-Implementing automation for infrastructure provisioning and scaling.

-Designed and maintained database schemas, optimizing them for efficient data storage and retrieval.-Conducted regular performance tuning and monitoring to identify and resolve database bottlenecks and issues.-Implemented backup and recovery plans to safeguard critical data, minimizing downtime in case of failures.-Performed routine database maintenance tasks such as indexing, data purging, and query optimization.-Maintained comprehensive documentation of database configurations, procedures, and policies to facilitate knowledge sharing and disaster recovery.-Implemented robust database management strategies to ensure data integrity, security, and availability.