Geert Bosch
Senior Director Of Engineering at MongoDB
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolGeert Bosch is a seasoned software leader and Senior Director of Engineering in New York with over two decades of experience building open-source systems for database, high-tech, financial, aerospace, and defense sectors. He has risen through technical and leadership roles at MongoDB—where he contributed as a back-end developer and database engineer to the flagship mongodb/mongo codebase—combining hands-on performance and index improvements with strategic team leadership. Known for bridging deep technical craftsmanship (optimizing core algorithms like DoubleDoubleSummation and KeyString hashing) with delivery at scale, he mentors teams to turn complex requirements into robust, production-ready software. His background includes long-form embedded and safety-critical systems work from AdaCore and early European consulting, giving him unusual breadth across low-level systems and large distributed databases. Geert holds an MS in Computer Science from NYU and a CS bachelor’s from the University of Twente, and he brings a pragmatic, systems-first perspective that favors measurable performance and correctness gains.
12 years of coding experience
31 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at University of TwenteMS Computer Science, MS Computer Science at New York UniversityMarnix College
English, Dutch, German, French
Github Skills (17)
c-language10
nosql10
databases10
query-optimization10
mongodb-database10
optimisation10
bson10
cprogramming-language10
mongodb10
relational-databases10
sql-database10
optimization10
database10
database-optimization10
data-structure9
Programming languages (7)
Github contributions (5)
mongodb/mongo
May 2014 - Mar 2021
The MongoDB Database
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:525 commits, 4 PRs, 351 pushes in 6 years 11 months
Contributions summary:Geert primarily contributed to the MongoDB database codebase. Their work involved optimizing internal functions and data structures, such as the `DoubleDoubleSummation` calculations and the `KeyString::hash` method, to improve performance and accuracy. They also focused on index-related enhancements, including modifying the logic for multi-key indexes, skipping `getKeySize` calls in specific scenarios, and improving the consistency validation process. Furthermore, they addressed bugs and improved code related to `renameBetweenDBs` and `BSONElement` construction.
nosqlc-plus-plusmongodb-databasedatabasemongodb
GeertBosch/snippets
Dec 2017 - May 2023
Contributions:3 pushes, 1 branch in 5 years 5 months
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