Case studies
Selected work
These are the projects I would show a technical buyer first. Client work is anonymized. The numbers are real, and each one carries its source.
[1]Selected
Selected
A clinical documentation platform
One structured form that writes the operative note, the referral letter and the research record.
Fixes inside open source agent platforms
Memory limits, tool discovery, lost execution records and dead sockets, fixed with regression tests.
A signed macOS release for a Rust desktop app
A signed universal disk image, built in CI, for an app that shipped only on Windows and Linux.
Shutdown, retries and lost messages
Graceful shutdown, queue acks and retry timing in Go and Python infrastructure.
Security at input boundaries and in CI gates
Unquoted SQL identifiers, flag injection into a subprocess and a security gate that failed without a reason.
[2]All work
All work
2025 to 2026A clinical documentation platformOne structured form that writes the operative note, the referral letter and the research record.Healthcare2026Fixes inside open source agent platformsMemory limits, tool discovery, lost execution records and dead sockets, fixed with regression tests.Agent systems2024A signed macOS release for a Rust desktop appA signed universal disk image, built in CI, for an app that shipped only on Windows and Linux.AI infrastructure2026Shutdown, retries and lost messagesGraceful shutdown, queue acks and retry timing in Go and Python infrastructure.Infrastructure2026Security at input boundaries and in CI gatesUnquoted SQL identifiers, flag injection into a subprocess and a security gate that failed without a reason.Security2026Measuring my own agent fleetA cost ledger that matched the provider bill, smaller prompts and a menu bar app that shows how many agents fit.Agent systems2024 to 2026308 merged pull requests in other people's codeGoogle, Strapi, Remotion, Prefect, Appium and about a hundred other organizations.Open source