Jeffrey Santana
@jeffreysantana
Senior Data Engineer driving scalable cloud data platforms and insights.
United StatesWhat I'm looking for
I am a Senior Data Engineer with over 10 years of experience building scalable data solutions across AWS, GCP, and Azure, specializing in ETL/ELT, data warehousing, and real-time ingestion for healthcare, fintech, e-commerce, and energy domains.
I design and implement robust pipelines and data architectures using Snowflake, Spark, Python, dbt, Airflow, and cloud-native services to improve data quality, reduce latency, and enable analytics-driven decisions. My work has delivered measurable gains like 50% query improvements, 45% ingestion throughput increases, and substantial cost reductions.
I thrive in agile, cross-functional teams, mentor engineers, and prioritize monitoring, testing, and CI/CD practices to ensure resilient, compliant systems that support business outcomes and regulatory needs.
Experience
Work history, roles, and key accomplishments
Designed and implemented scalable ETL systems using AWS, Snowflake, and DynamoDB to support real-time analytics and regulatory healthcare reporting, reducing pipeline execution time by 25% and analytics latency by 35%.
Designed cloud data architectures and end-to-end ELT pipelines on AWS and Snowflake, applying Medallion Architecture and query tuning to cut analytical query times by 50% and enable scalable customer analytics.
Redesigned and automated risk data pipelines using Spark, Python, and Snowflake, transforming batch processes into near real-time ingestion and reducing transformation inconsistencies by 90%.
Data Engineer
SolarCity
Nov 2015 - Jul 2019 (3 years 8 months)
Optimized data warehouse and ETL processes, migrated Airflow to AWS, and implemented forecasting algorithms that improved solar production forecast accuracy by 20% while reducing CRM costs by 75% via Reverse ETL.
Education
Degrees, certifications, and relevant coursework
University of Texas at Austin
Bachelor of Science, Computer Science
2011 - 2015
Completed a Bachelor of Science in Computer Science with coursework in algorithms, systems, and software engineering from 2011 to 2015.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Social media
Job categories
Skills
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