HIPAA-Safe Healthcare ETL: A Data Engineer's Guide to EDI, FHIR, and Smile CDR
Data engineer lessons from HIPAA-compliant healthcare ETL — Molina EDI testing, Smile CDR dashboards, and PHI-safe pipeline design.
Notes from the pipeline.
Short, practical write-ups from production data engineering — Airflow, Databricks, SAS→Python, and HIPAA ETL.
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YAML-Driven Databricks Reconciliation: A Data Engineer's Framework for Ingestion vs Lakehouse Validation
Data engineering framework for SQL validation between Ingestion and Lakehouse layers on Databricks — YAML configs, mismatch alerts, audit reports.
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Airflow EKS to MWAA Migration: A Data Engineer's Playbook for Reconciliation DAGs That Scale
Data engineer playbook for migrating banking reconciliation Airflow DAGs from EKS to MWAA — modular task groups, YAML configs, and observability.
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SAS to Python Migration for Claims: How This Data Engineer Hit 100% Validation on Databricks
Data engineer guide to SAS to PySpark claims migration — parity testing, parameterized Databricks Jobs, and performance wins that beat SAS.