Esteban Zacharzewski
Senior Software Engineer Contract at Carvana
Vicente López, Buenos Aires, Argentina
Summary
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Senior🎓
Top SchoolEsteban Zacharzewski is a Senior Software Engineer with 11 years of experience building scalable data and backend systems across e-commerce, mobility, and fintech verticals, currently contracting for Carvana from South LATAM with near-native English. He has driven measurable impact at scale—developing a million-listing data pipeline, halving Cosmos DB latency and RU consumption, and cutting missing DWH listings by 99%—contributing directly to improved margins during Carvana’s rapid turnaround. Comfortable across cloud-native architectures, serverless data lakes, ETL orchestration, and ML pipelines, he has delivered cost reductions (70% at Fineway) and stable production services for global products. Esteban blends hands-on optimization and observability work with cross-functional leadership, and is known for pragmatic fixes—like introducing S3-based solutions to stop pod crashes—that unlock team velocity.
11 years of coding experience
3 years of employment as a software developer
Bachelor’s Degree Physics, Bachelor’s Degree Physics at University of Chicago
English, Spanish, German
Github Skills (13)
forex5
forex-trading5
displays5
finance4
cryptocurrency4
trading4
dictionary3
python3
binance3
trading-bot3
algorithmic-trading2
ttl2
nomad1
Programming languages (2)
Github contributions (5)
stzr1123/scala-web-project
Apr 2019 - Jun 2019
Simple Web app that displays weather and other info for Munich
Contributions:34 commits, 5 pushes in 2 months
munichdisplays
stzr1123/stzr1123.github.io
Mar 2015 - May 2015
Contributions:111 pushes, 1 branch in 1 month
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