Portfolio
Senior Software Engineer at Microsoft with 20+ years of experience. Currently working on Azure Container Registry. Specializing in runtime internals, compilers, and diagnostics. 6 US patents. Published researcher in algorithm complexity.
Runtime & Performance Engineering
- Adaptive Garbage Collection (2023): Enhanced garbage collection for Azure functions, doubling capacity using a single pool of containers.
- Memory Management Optimization (2022): Reduced memory footprint by 50%, increasing deployment density and saving $1M monthly.
- Network Transport Prototype (2013): Improved application throughput by 37% by bypassing HTTP/1.1 FIFO restrictions.
Code Generation
- ekans (2025): Built a self-hosting Racket compiler that compiles a subset of Racket to C.
- Hot Cold Splitting (2022): Implemented hot cold splitting in the .NET Core ReadyToRun compiler.
Low Level Systems
- Linux Memory Mapping Investigation (2024): Discovered a weakness in the Linux Memory Manager related to memory mapping.
- Zombie Git (2026): Diagnosed and fixed a zombie process leak in git’s transport helper cleanup path.
Diagnostics
- GC Interactive Insights (2024): Developed an AI-driven performance analysis tool, resulting in multiple US patents.
- Managed Data Breakpoint (2019): Developed a data breakpoint solution for .NET Core, resulting in a US patent.
- Time Travel Debugging (2014-2015): Enabled time travel debugging for JavaScript.
Publications & Studies
- Exact (n + 2) Comparison Complexity for the N-Repeated Element Problem (2026): Established exact comparison bounds using adversary arguments with graph-theoretic structure.
- LeetCode (2023-2026): Solved 1400+ problems with 1100+ active days, ranked in the top 1% globally.
Cross-Team Impact
- MAUI Team Assistance (2022): Completed 15 PRs in two months, including root cause analysis in the Android implementation.
- JavaScript Runtime Team (2014): Transitioned to compilers with no prior experience, earning a US patent and promotion within a year.