Koteswara Chirumamilla
Lead Data Engineer @Albertsons Companies
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WORK HISTORY
Lead Data Engineer @Albertsons Companies
Phoenix, AZ, US
Migrated data warehouse solutions from Snowflake and Azure to GCP and BigQuery using Dataflow and Python, improving processing speed by 30%. Integrated Apache Kafka for real-time ingestion and export between BigQuery and Kafka. Led 10 data engineers in designing scalable GCP-based data solutions aligned with best practices. Defined XML export standards to Kafka and guided streaming vs. batch strategy per business needs. Built Dataflow pipelines for BigQuery ingestion and ADF pipelines for Snowflake and BigQuery. Collaborated with ML teams via Databricks Notebooks to load data into Delta Lakehouse. Automated tasks using Python and developed Airflow DAGs for orchestration and scheduling. Contributed to Albertsons’ unified ingestion framework, improving data consistency by 25%. Used Snowflake features—Streams, Tasks, Snowpipes—to reduce latency by 40%. Worked on Azure data factory to build pipelines to Snowflake. Designed ingestion patterns for Refined, Confirmed, and Analytical layers in Snowflake. Developed Snowflake procedures in JavaScript and automated workflows using Tasks—cut manual effort by 35%. worked with devops to implement CI/CD pipelines with Jenkins for Snowflake deployments. Tuned Snowflake procedures and collaborated on object design with data modelers. Migrated OBIEE reports to Power BI and built Power Automate flows for report certification. Mentored team members on Snowflake capabilities, fostering continuous learning. Modernized retail finance systems by migrating legacy databases to Snowflake. Streamlined ingestion from Blob storage into Snowflake using variant columns and flattening. Used Streams for processing up to confirmed tables, ensuring data integrity. Converted PL/SQL procedures to Snowflake JavaScript equivalents. Provided production support and collaborated cross-functionally to maintain smooth operations.
EDUCATION
Texas A&M University-Kingsville
Master's Degree
RVR & JC College of Engineering
Bachelor's Degree
SKILLS
ABOUT KOTESWARA CHIRUMAMILLA
Highly accomplished Lead Data Engineer certified by Microsoft and Google with over…
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