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Obaid Khan

@obaidkhan3

Data Architect at Johns Hopkins Hospital modernizing healthcare platforms into a multi-cloud lakehouse for analytics and AI.

Pakistan

Message

At Johns Hopkins Hospital, I architect and lead the modernization of healthcare data platforms spanning EPIC, Cerner, claims, pharmacy, and lab systems. I’m bringing these sources into a multi-cloud lakehouse architecture for analytics and AI workloads.

I designed and govern an enterprise Canonical Data Model that integrates clinical, claims, pharmacy, and lab data. I also model EPIC Clarity and Caboodle datasets and standardize clinical vocabularies through OMOP CDM and UDMH-aligned models.

At Flagstar Bank, I architected real-time and batch data platforms for fraud detection, risk analytics, and financial insights. I built streaming architectures and multi-cloud platforms across Azure, GCP, and Snowflake.

Earlier, I worked on data engineering and modeling at Nationwide, SunTrust, and Presbyterian Medical Center, including insurance and banking data platforms, Guidewire integration, and healthcare interoperability models using OMOP CDM and FHIR.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Architect

Current

Johns Hopkins Hospital

Jan 2024 - Present (2 years 10 months)

Architected and led modernization of enterprise healthcare data platforms into a multi-cloud lakehouse architecture. Designed enterprise canonical data models and implemented modern lakehouse patterns using Delta Lake and Apache Iceberg.

Azure AWS Databricks Synapse S3 Glue Redshift Delta Lake Apache Iceberg DBT Spark Kafka HL7 FHIR Epic Cerner OMOP Data Vault Dimensional Modeling 3NF E R Studio Erwin

Data Architect

Flagstar Bank

Apr 2022 - Dec 2023 (1 year 8 months)

Architected and delivered real-time and batch data platforms using Azure Stream Analytics, Kafka, and Spark for fraud detection and risk analytics. Designed event-driven architectures and built scalable multi-cloud data platforms across Azure, GCP, and Snowflake.

Azure Azure Stream Analytics Kafka Spark ADF ADLS Gen2 Databricks GCP BigQuery Dataflow Snowflake Python SQL Informatica MDM Airflow Git Azure DevOps

Data Engineer

Nationwide

Jan 2020 - Mar 2022 (2 years 2 months)

Designed and implemented enterprise data models using ER/Studio and Erwin, supporting wealth management and insurance analytics. Led dbt-based ELT architecture and architected modern data platforms using BigQuery, Snowflake, and GCP services.

E R Studio Erwin DBT BigQuery Snowflake GCP Dataflow Guide Wires Data Vault Dimensional Modeling Git Azure DevOps BigQuery ML

Data Engineer

SunTrust

Jan 2017 - Dec 2019 (2 years 11 months)

Collaborated with stakeholders to translate business requirements into data architecture and models. Designed and maintained enterprise logical and physical data models, implemented Data Vault and dimensional modeling, and established data governance frameworks.

Data Vault Dimensional Modeling Workday ServiceNow CMDB Data Governance Data Quality SQL ETL

Sr Data Modeler

Presbyterian Medical Center

Jun 2015 - Dec 2016 (1 year 6 months)

Collaborated with clinical SMEs and Epic analysts to translate clinical requirements into enterprise data models. Designed logical and physical data models for healthcare data and implemented OMOP CDM and FHIR-based models for interoperability.