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Shweta Sah

@shwetasah

Senior Data Engineer at Humana building healthcare lakehouse platforms and cutting pipeline execution time by 30%.

At Humana Inc., I architect healthcare data platforms and build GCP lakehouse solutions for claims, member, provider, and clinical analytics. I designed pipelines processing 100+ GB of healthcare data daily and reduced pipeline execution time by 30% through Spark optimization and BigQuery query tuning.

Previously, I developed financial data pipelines at BlackRock and healthcare data pipelines at Mayo Clinic, using cloud platforms and tools including Azure, AWS, Databricks, Snowflake, and Apache Spark. I also worked on retail ETL workflows at Walmart, and hold certifications in Google Cloud, Databricks, Snowflake, Terraform, and Anthropic Claude.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

Humana Inc.

Oct 2024 - Present (2 years)

Architected and led enterprise healthcare data platforms on GCP, designing end-to-end ETL/ELT pipelines and lakehouse architectures. Reduced pipeline execution time by 30% through optimization and mentored junior engineers.

Data Engineer

BlackRock

May 2023 - Aug 2024 (1 year 3 months)

Developed enterprise data pipelines for financial datasets using Azure and Snowflake, improving performance by 30% and reducing data quality issues by 25%. Built dashboards and automated workflows for production reliability.

Azure Data Factory Azure Databricks ADLS Gen2 Snowflake DBT Apache Spark PySpark SQL Python Kafka Airflow Power BI Tableau Azure DevOps Git Terraform RBAC Microsoft Purview azure monitor

Data Engineer

Mayo Clinic

Nov 2021 - Apr 2023 (1 year 5 months)

Developed healthcare data pipelines using AWS services, optimizing Spark jobs to reduce execution times by 25%. Supported cloud migration and maintained reporting datasets for clinical and operational analytics.

S3 AWS Glue AWS Lambda Amazon Redshift Apache Spark PySpark SQL Python Airflow AWS IAM PostgreSQL Oracle Power BI Tableau Git HIPAA compliance RBAC

ETL Developer

Walmart

Aug 2019 - Oct 2021 (2 years 2 months)

Developed and maintained ETL workflows using SQL, SSIS, and Informatica PowerCenter for retail data. Assisted in building batch pipelines with Spark and Hive, and supported data quality and reporting.