Darren Stahl
Bellevue, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolDarren Stahl is a back-end software engineer with a decade of experience building and hardening Windows container and runtime infrastructure, with notable contributions to high-profile open-source projects like containerd, Moby, and Microsoft's hcsshim and go-winio. He focuses on cross-platform compatibility, performance regressions, and Windows-specific snapshotter and HCS APIs, bringing practical DevOps sensibilities to low-level systems work. Based in Bellevue, Washington, Darren combines maker and puzzle-designer instincts with a passion for project-based learning and open source advocacy. His track record at Microsoft includes shipping fixes that improve Docker and container runtime reliability on Windows, plus thoughtful changes to system-level Go libraries that address timing, memory, and I/O semantics. Colleagues would describe him as a hands-on problem solver who prefers delivering concrete, test-backed solutions that strengthen the cross-platform container ecosystem.
10 years of coding experience
3 years of employment as a software developer
Bachelor of Engineering (B.E.), Bachelor of Engineering (B.E.) at Carleton University
Github Skills (27)
asynchronous10
container10
docker10
system-programming10
apidoc10
wp-api10
async10
windows10
build-system10
winapi10
dockers10
system-calls10
occi10
containerd10
go10
Programming languages (5)
Github contributions (5)
microsoft/go-winio
Mar 2016 - Jan 2018
Win32 IO-related utilities for Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 20 commits, 19 PRs in 1 year 10 months
Contributions summary:Darren Stahl primarily focused on improving the `go-winio` library, specifically addressing performance regressions, and enhancing the library's interaction with the Windows operating system. The contributions include fixes for Go 1.6 performance issues related to timer resolution and other updates in the `zsyscall.go` file, which involved system calls. Furthermore, there are changes related to memory management, such as allocating the securityDescriptor in C memory, and the application of deadlines to pending IO operations.
golangwin32windows
microsoft/hcsshim
Apr 2016 - May 2018
Windows - Host Compute Service Shim
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 releases, 70 commits, 71 PRs in 2 years
Contributions summary:Darren contributed significantly to the `hcsshim` repository, focusing on implementing new APIs and features related to the Host Compute Service (HCS). Their work included adding new functions, such as `ExpandSandboxSize`, and integrating them into the existing codebase. The user also added logging and implemented a new notification design for handling asynchronous operations.
shimwindowshostcompute
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