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Alejandro Marchini

@alejandromarchini

I build reliable Scala and Spark data pipelines for regulated, large-scale enterprise data.

United States
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I'm currently building and operating Scala/Spark encounter-data processing frameworks at Intellectsoft, supporting regulated Medicaid reporting dependencies. I own ingestion, transformation, batch delivery, Hive schemas, Drools business rules, and production reliability across Cloudera Data Platform environments.

I improve pipeline resilience through idempotent ingestion, schema governance, automated validation, reconciliation logic, and restart-safe processing. I troubleshoot distributed Spark failures and tune skew, serialization, shuffles, joins, and query plans to keep critical downstream batch consumers reliable.

Previously at CreditKey, I designed distributed ingestion and transformation flows for a B2B BNPL platform, processing account, credit, and repayment events for settlement-ready datasets and scoring workflows. I also built maintainable ETL contracts, data models, SQL transformations, operational runbooks, and monitoring-ready production processes.

At Google, I built large-scale analytics and data-processing components, converting raw events into dependable structured datasets. Across my work, I bring 11+ years of experience with Scala, Spark, Hive, SQL, data quality, production operations, and scalable batch systems.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

University of San Diego logoUD

University of San Diego

Master of Science, Artificial Intelligence

2024 -

Pursuing a Master of Science in Artificial Intelligence, focusing on advanced machine learning and AI applications.

Rochester Institute of Technology logoRT

Rochester Institute of Technology

Bachelor's degree, Computer Science

2009 - 2015

Earned a Bachelor's degree in Computer Science, building a strong foundation in software development and algorithms.

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