Andreas Hoenselaar
Member Of Technical Staff at Microsoft AI
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAndreas Hoenselaar is a Member of Technical Staff with 12 years of experience building reliable, production-grade software across major AI and moonshot teams, currently at Microsoft AI after stints at Inflection AI, X, and Google. He pairs a strong academic foundation in computation and neural systems from Caltech and an MSc in computer science from Brown with hands-on engineering in backend systems, test automation, and CI workflows. Notable open-source work includes improving maintainability and memory management for the widely used Meep FDTD electromagnetic simulator, adding pytest compatibility and CI pipelines. He excels at preventing subtle global-state bugs and modernizing legacy code, skills that help move research-grade systems into robust, deployable services. Based in San Jose, he brings a blend of research rigor and pragmatic software craftsmanship to complex AI and simulation projects.
12 years of coding experience
11 years of employment as a software developer
Master of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at Brown UniversityCalifornia Institute of TechnologyUniversity of Tübingen
German, English
Github Skills (8)
github-ci10
githubaction-workflow10
pytest10
python10
testing9
c-language8
memory-management8
cprogramming-language8
Programming languages (5)
Github contributions (5)
NanoComp/meep
Jun 2021 - Dec 2021
free finite-difference time-domain (FDTD) software for electromagnetic simulations
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:44 reviews, 32 commits, 37 PRs in 6 months
Contributions summary:Andreas primarily focused on improving the codebase's maintainability and reliability. They fixed escape sequences in Python code, and renamed Python test files to be pytest compatible. Furthermore, the user added a GitHub workflow for continuous integration and prevented modification of a global singleton. Finally, the user made several changes to memory management within the project by removing and replacing legacy methods.
electromagneticfdtdfinite-differencesimulationssimulation
ahoenselaar/meep
Jun 2021 - Jan 2022
free finite-difference time-domain (FDTD) software for electromagnetic simulations
Contributions:181 pushes, 46 branches, 1 comment in 7 months
electromagneticfdtdfinite-differencesimulationssimulation
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