Shawn Yarbrough
Senior Software Engineer at MongoDB
Danville, California, United States
Summary
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RockstarShawn Yarbrough is a Senior Software Engineer with 13 years of experience building high-performance back-end systems across C++, Java, and Python, now contributing at MongoDB after driving GPU-accelerated database features at HEAVY.AI. He specializes in distributed systems, LLVM-based query compilation, and GPU/CUDA optimization—having removed query-size limits and added dynamic horizontal scaling to a production SQL-on-GPU engine. His background spans low-latency HFT infrastructure, exchange feeds, and performance tuning for web backends, reflecting a rare blend of trading-floor speed and database compiler expertise. An active HeavyDB contributor, he’s comfortable working deep in memory management, query planning, and GPU managers while also shipping practical integrations and security features. Based in Danville, CA, he pairs systems-level rigor with a user-focused philosophy—echoed in his favorite quote about simplifying UIs to retain users.
13 years of coding experience
14 years of employment as a software developer
Stackoverflow
846reputation
66kreached
10answers
1question
Github Skills (19)
c-language10
databases10
sql10
database-design10
cprogramming-language10
relational-databases10
sql-database10
database10
gpu9
performance-optimization8
directx6
floating-point6
sigint6
opengl6
destructor6
Programming languages (2)
Github contributions (5)
heavyai/heavydb
Feb 2019 - Dec 2022
HeavyDB (formerly OmniSciDB)
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:146 commits, 1 branch, 4 comments in 3 years 10 months
Contributions summary:Shawn primarily worked on enhancing the database functionality within the HeavyDB project. Their contributions included fixing server shutdown errors, adding a "default_db" attribute for users, and supporting the ability for users to switch between databases. They also worked on creating new commands related to SHOW USER DETAILS and adding support for the "VALUES()" SQL clause. The user's work also appears to have touched code related to the CudaMgr, indicating expertise in GPU database operations.
cudareal-timevisualizationgpuheavyai
corecursion/gravity-simulation
Dec 2023 - Dec 2023
Contributions:16 pushes, 1 branch in 12 days
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