Devin D'angelo
Senior Software Engineer at Microsoft
Washington DC-Baltimore Area United States
Summary
🤩
Rockstar🎓
Top SchoolDevin D'angelo is a Senior Software Engineer based in the Washington DC–Baltimore area with eight years of experience building data-intensive systems across cloud and public-sector environments. Currently at Microsoft working on Azure usage billing pipelines, he combines backend engineering chops with data science experience from roles at AWS ProServe and federal agencies. Devin has strong applied math and economics grounding from UC Berkeley, which informs pragmatic, metrics-driven solutions for distributed data processing and storage. He contributes to Apache DataFusion, helping implement object storage and multipart streaming for dataframe writes—work that improves Parquet/JSON write reliability in a notable open-source SQL query engine. Known for bridging research-grade analysis with production engineering, he’s comfortable taking designs from prototype to scalable deployment.
8 years of coding experience
5 years of employment as a software developer
Bachelor's degree Economics and Applied Mathematics, Bachelor's degree Economics and Applied Mathematics at University of California, Berkeley
Github Skills (9)
parquet10
query-engine10
object-storage10
rust10
arrow-keys10
sql10
arrows10
arrow-js10
data-engineering9
Programming languages (3)
Github contributions (5)
apache/datafusion
Jul 2023 - Sep 2024
Apache DataFusion SQL Query Engine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:201 reviews, 57 PRs, 381 comments in 1 year 1 month
Contributions summary:Devin primarily focused on implementing features related to object storage for dataframe writes within the Apache DataFusion SQL Query Engine. Their work involved integrating `ObjectStore` for dataframe writes, handling temporary files, and implementing multipart streaming writes. They also addressed JSON and Parquet file writing within the query engine, improving test coverage and file format support.
querypythonquery-enginedataframerust
devinjdangelo/FastRec
May 2020 - Jul 2020
Contributions:2 releases, 94 commits, 87 pushes in 2 months
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