Mahesh B
Data Engineer | Cloud-Native ETL & Streaming | Python, PySpark, Apache Beam | BigQuery, AWS, GCP | Healthcare & E-Commerce
- Role
- Etl Developer at Elevance Health
- Location
- Dallas-Fort Worth, TX, US
- LinkedIn followers
- 500 followers
Experience
Etl Developer
Nov 2023 — Present · TX, US
Designed and implemented end-to-end ETL pipelines using Pentaho, Python, and SQL, integrating APIs, live systems, and external flat files.Migrated on-prem SQL Server data warehouses to Snowflake, leveraging Streams, Tasks, and Snowpipe for incremental and event-driven loads.Developed modular DBT models and Airflow DAGs to orchestrate workflows with dependency management, scheduling, and error handling.Implemented SCD Type 2, surrogate keys, and incremental loading for historical healthcare data tracking.Automated post-load validation, data profiling, and reconciliation using Python and Pandas.Built SQL and Snowflake UDFs/stored procedures for complex transformations and enrichments across multiple healthcare domains.Configured CI/CD pipelines in Azure DevOps to deploy SQL scripts, DBT models, and ETL metadata.Integrated AWS Glue, Lambda, and Step Functions with Informatica/IICS workflows for hybrid ETL orchestration of structured and semi-structured datasets (HL7, JSON, XML).
Education
University of North Texas
Master's degree
2022 — 2023
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