Fausto Andrés Holcombe Mena
Engineer @ AWS Infrastructure Science | MSc in Quantitative and Computational Finance & MSc Supply Chain Engineering | Experienced in Machine Learning Systems Design and End-to-End Data Pipelines
- Role
- Data Engineer at Amazon Web Services (AWS)
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Fausto Andrés Holcombe Mena
A highly dedicated & analytical individual who enjoys examining the quantitative aspects…
Experience
Data Engineer
Feb 2023 — Present · Seattle, WA, US
Developed internal Apache Airflow low-code/no-code package via MWAA to standardize infrastructure for 600+ data pipelines powering global data center analytics and machine learning models, creating comprehensive documentation with changelog management that enabled cross-functional teams to deploy consistent ETL and Data Quality pipelines.• Designed and implemented regionalized pipelines to predict and model network power capacity, independently achieving proficiency in Apache Iceberg to process TBs of global networking data.• Developed custom PySpark partitioning scripts to resolve organization-wide hourly dataset processing bottlenecks affecting 35+ billion row datasets. Simultaneously reduced EMR costs by 52% and S3 storage costs by 56%, while optimizing query performance for 16 internal teams.• Created comprehensive SQL-based data quality auditing framework to prevent 5-6 figure billing inaccuracies from reaching internal customers and VP-level business reporting, eliminating multiple high-value errors and 10+ hours of operational overhead per incident while ensuring data integrity for executive decision-making.• Mentored 4 L4 engineers through technical onboarding, operational best practices, and end-to-end project design in distributed data systems for independent project execution.
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