Dmitry Stratiychuk
Principal Software Engineer at Microsoft
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDmitry Stratiychuk is a Principal Software Engineer based in London with 13 years of experience building scalable, maintainable systems and production ML products. He has driven Microsoft 365 Copilot quality and alignment work—leading context engineering, quality metrics, evaluations, and the first agentic reasoning application shipped into Copilot. Previously he improved mobile typing quality and on-device language models at SwiftKey, reproducing research like the Lottery Ticket Hypothesis and applying pruning and personalization techniques. Dmitry blends deep NLP research, prompt and context engineering, and distributed systems engineering from roles at Microsoft, Amazon, and UBS, plus early entrepreneurial experience as a retail startup founder. He is focused on making M365 Copilot better and often works at the intersection of frontier LLMs and pragmatic product quality engineering. Colleagues would describe him as a research-minded engineer who turns prototypes into shipped, measurable product improvements.
13 years of coding experience
19 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Moscow Aviation Institute (National Research University)
Russian, English
Stackoverflow
4,541reputation
1.1mreached
70answers
0questions
gradle
top-1%
Github Skills (200)
cmd10
windows10
backup10
pip10
markdown10
javascript10
python-development10
editor10
azure10
builtin10
electron10
console10
typescript10
kafka10
trend10
Programming languages (12)
Github contributions (5)
shtratos/java-benchmarks
Feb 2016 - May 2018
Contributions:3 pushes, 1 branch in 2 years 3 months
shtratos/subsetsum
Jan 2016 - Jan 2016
Contributions:22 commits, 6 pushes, 1 branch in 19 days
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