Rathijit Sen
Principal Scientist at Microsoft
Redmond, Washington, United States
Summary
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Senior🎓
Top SchoolRathijit Sen is a Principal Scientist at Microsoft based in Redmond with nine years post-PhD experience bridging computer architecture, database systems, and machine learning. He has progressed through research and engineering roles at Microsoft since 2016, including leadership in the Gray Systems Lab, and prior academic work at UW–Madison and Saarland on timing, static analysis, and performance modeling. Rathijit combines deep academic training (PhD, UW–Madison) with hands-on industry experience from TI and AMD, enabling him to translate architectural insights into practical system and database optimizations. Known for tackling low-level performance and power questions alongside higher-level data and ML system design, he brings a rare cross-layer perspective that helps turn theoretical ideas into deployable infrastructure.
10 years of coding experience
20 years of employment as a software developer
M.E. (CSE), Computer Science and Engineering, M.E. (CSE), Computer Science and Engineering at Indian Institute of Science (IISc)Doctor of Philosophy (Ph.D.), Computer Sciences, Doctor of Philosophy (Ph.D.), Computer Sciences at University of Wisconsin-MadisonB.C.S.E., Computer Science and Engineering, B.C.S.E., Computer Science and Engineering at Jadavpur University
Github Skills (14)
mlmodel7
pytorch6
machine-learning6
scikit-learn6
inference4
mixture-of-experts4
java4
apache3
llm3
database3
dbms2
tensor2
big-data2
olap1
Programming languages (3)
Github contributions (5)
microsoft/Peregrine
Aug 2020 - Aug 2020
Contributions:2 commits in 1 day
dataformats/FORMATS-2026
Jan 2026 - Jun 2026
Contributions:20 pushes in 4 months
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