Yoonsoo Kim
Seattle, Washington, United States
Summary
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RockstarYoonsoo Kim is a Senior Software Engineer at MongoDB with over two decades of experience building high-performance database engines and embedded systems. He specializes in query execution and optimization, massive parallel processing, telemetry-driven performance troubleshooting, and squeezing bare-metal performance out of SQL engines, and has contributed to the core mongodb/mongo codebase improving plan stats and index features. At Microsoft he shipped multiple releases of SQL Server working on parallel and batch-mode processing, and earlier led embedded C++ work that powered the Galaxy Gear 2 and enterprise printer management systems. He also architected a kernel-space hashing solution to uniformly distribute millions of sessions for a 10Gbps network security appliance, demonstrating low-level systems expertise. Known for driving strong engineering practices across teams, he spans the full software lifecycle from requirements and design to testing, debugging, and large-scale production deployments.
5 years of coding experience
Github Skills (17)
c-language10
mongodb-database10
database-tuning10
database-design10
mongodb10
c-programming-language10
datastructures9
datastructure9
data-structure9
algorithm9
optimizations9
algorithms9
query-optimization9
optimisation9
optimization9
Programming languages (2)
Github contributions (5)
mongodb/mongo
Feb 2021 - Jan 2023
The MongoDB Database
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:128 commits, 2 PRs, 1 push in 1 year 11 months
Contributions summary:Yoonsoo primarily contributed to the back-end of the MongoDB database system, making changes to core functionalities. These changes focused on improving plan stats, adding features to index signatures, and refactoring code to enhance performance. The user demonstrated skills in database implementation, likely related to performance, and database performance.
nosqlc-plus-plusmongodb-databasedatabasemongodb
yun-soo/mongodb-docs
Apr 2021 - Apr 2021
Contributions:6 pushes, 1 branch in 1 day
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