Roja Maram

Data Engineer @Presbyterian Healthcare Services

Designed and implemented data architectures using BigQuery, Dataflow, Dataproc, and GCS.Managed BigQuery datasets by implementing partitioning and clustering, improving query performance by 40%.Optimized GCP resources to reduce operational costs while ensuring scalability.Developed and managed ETL/ELT pipelines using Google Cloud Dataflow, Apache Beam, and PySpark.Migrated data from legacy systems to GCP with minimal downtime.Developed incremental data loading strategies to improve efficiency.Designed real-time data pipelines using Pub/Sub, Dataflow, and Kafka for low-latency processing.Orchestrated automated workflows with Google Cloud Composer (Airflow), ensuring reliability.Created custom monitoring alerts in Cloud Monitoring to proactively detect issues.Applied encryption techniques and IAM roles to secure data.Ensured GDPR and PCI-DSS compliance in data handling.Used Google Data Catalog for metadata management and governance.Worked with data scientists, analysts, and business teams to provide actionable insights.Created Hive SQL queries on Dataproc for detailed reports.Integrated external and internal data sources for financial and operational analytics.