Zack Winter
Staff Software Engineer at MongoDB
San Francisco Bay Area United States
Summary
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RockstarZack Winter is a Staff Software Engineer based in the San Francisco Bay Area with 11 years of experience building backend and systems infrastructure across startups and large tech companies. He specializes in distributed systems, low-level programming, build-and-test and developer infrastructure, and network engineering, currently leading Build and Test Infrastructure at MongoDB. His background spans game-engine level C++ networked systems to production-scale platform work at Facebook and Toyota Research Institute, giving him a rare blend of real-time systems and large-scale infrastructure experience. Known for moving between hands-on engineering and technical leadership, he has repeatedly taken ownership of cross-cutting operational systems that improve developer velocity and reliability. Notably, his early work launching a 3D MMORPG startup demonstrates practical systems design and team leadership under constraints that still inform his infrastructure approach today.
11 years of coding experience
13 years of employment as a software developer
English
Github Skills (12)
c-language10
build-system10
clang-tidy10
cprogramming-language10
bazel10
software-quality9
quality-assurance9
linux8
git8
version-control8
windows7
macos7
Programming languages (9)
Github contributions (5)
mongodb/mongo
Aug 2023 - Oct 2025
The MongoDB Database
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 branch, 1 comment in 2 years 1 month
Contributions summary:Zack focused on enabling clang-tidy checks, including bugprone-parent-virtual-call and bugprone-unused-return-value, to improve code quality and maintainability in the MongoDB database. They also contributed by fixing a bug that prevented the packager from running when has_packages was not set to true. The user made adjustments to include paths, especially with relation to the toolchain, and ensured build compatibility with multiple platforms, including the addition of Windows and macOS. This indicates a focus on code correctness and building the project across different system architectures.
mongodb-databasec-plus-plusdatabasemongodbnosql
mongodb-forks/bazel_clang_tidy
Apr 2024 - Dec 2025
Run clang-tidy on Bazel C++ targets directly, efficiently, with caching enabled
Contributions:3 releases, 9 reviews, 5 PRs in 1 year 8 months
bazelcachingclang-tidycpp
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