Alex Johnson
@alexjohnson5
I build reliable cloud data pipelines, ETL platforms, and data quality automation for enterprise analytics.
United StatesWhat I'm looking for
At Kaiser Permanente, I architect enterprise data pipelines for clinical, operational, and analytics workloads, building reusable Apache Airflow ingestion frameworks for batch and near-real-time processing.
I improve data reliability, latency, and trust through orchestration, automated quality checks, reconciliation, and optimized Amazon Redshift and Snowflake data models. I also mentor junior engineers on ETL architecture, performance tuning, and engineering practices.
Previously, I built Spark and PySpark pipelines at Carvana and delivered telecom data migration solutions at Cognizant. My background also includes Python and Selenium test automation integrated with Jenkins CI/CD pipelines.
Experience
Work history, roles, and key accomplishments
Architected enterprise data pipelines supporting clinical, operational, and analytics workloads. Designed reusable ingestion frameworks using Apache Airflow and optimized Redshift and Snowflake data models.
Developed Python and Spark-based ETL pipelines processing large healthcare datasets into AWS S3 and Redshift. Implemented automated data quality checks and integrated Airflow orchestration.
Built scalable Spark and PySpark pipelines supporting batch and streaming analytics. Managed and optimized Snowflake data warehouse environments for financial and operational reporting.
Developed metadata-driven ETL frameworks and automated data quality controls. Automated cloud-based ingestion and transformation workflows using S3 and distributed processing frameworks.
Delivered large-scale data migration and transformation solutions for telecom BSS modernization. Developed SQL-based validation and reconciliation processes to ensure data consistency.
Built Python and Selenium automation frameworks supporting enterprise web applications and regression testing. Integrated automated test suites into Jenkins CI/CD pipelines.
Education
Degrees, certifications, and relevant coursework
Texas Tech University
Bachelor of Science, Computer Science
2012 - 2016
Bachelor of Science in Computer Science from Texas Tech University, completed in May 2016.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Skills
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