Michael Lee is a software engineer with 14 years of experience building infrastructure at scale, currently designing VM and container provisioning and developer workflows at Dropbox. He holds combined BS/MS degrees in Computer Science from the University of Washington and has a strong background in systems, tooling, and pedagogy from teaching and TA roles there. Michael is an active open-source contributor to Python tooling—most notably mypy, typeshed, and the Python PEPs repo—coauthoring PEP 586 and improving static typing and documentation across the ecosystem. His work blends backend systems engineering with programming-language and static-analysis expertise, and he has a track record of turning brittle, manual processes into deterministic, low-maintenance systems. Beyond engineering, he mentors and shares knowledge widely via StackOverflow, Reddit, and course materials, and has hands-on experience with electronics and real-time telemetry from motorsports projects.
14 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science, 3.7, Master's degree, Computer Science, 3.7 at University of Washington
Collection of library stubs for Python, with static types
Role in this project:
Back-end Developer
Contributions:34 commits, 38 PRs, 2 pushes in 3 years 6 months
Contributions summary:Michael primarily contributed to the project by implementing and updating type stubs for the Python standard library and third-party packages. Their work involved adding stubs for new math functions in Python 3.3+ and 3.5+, updating set methods, and adding stubs for boto.exception. They also added stubs for the ujson library and fixed issues related to the typing module.
Contributions:6 reviews, 154 commits, 229 PRs in 6 years 5 months
Contributions summary:Michael primarily contributed to the development of mypy's static type checker, a back-end focused tool. Their contributions include implementing advanced type checking features, such as support for literals and enum types. Additionally, the user addressed issues related to function overloading and class-based structures. The user also performed code refactoring to improve the clarity of certain parts of the codebase.
linterpythontypecheckerstatic-typing
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