Open source · Systems security
uutils/coreutils
Patched TOCTOU vulnerabilities in install, ln, and tac; built fd-anchored filesystem primitives and carried the protections across Linux, macOS, and FreeBSD.
CVE-2026-35356 · CVE-2026-35362
Systems software · Security · Infrastructure
Jake Abendroth
I build dependable software at the edges of operating systems, security, and production infrastructure.
Currently working in Rust on secure filesystem operations at uutils/coreutils.
San Francisco, California
Selected work
A few things I’ve been building and fixing.
View project
Rust · Storage systems
simgit
A Git worktree isolation tool using copy-on-write storage across APFS, Linux reflinks, and overlay filesystems, with lifecycle tooling for real development workflows.
8× lower physical disk usage
Rust · AI infrastructure
pig
A private inference gateway that schedules heterogeneous model instances by capability, placement, context limits, and live availability behind an OpenAI-compatible API.
Multi-worker llama.cpp backends
Co-founder & CTO · Production backend
Finlingo
Built the backend and voice infrastructure for a consumer financial platform, including encrypted PII, verified webhooks, isolated environments, and real-time calling.
Azure Container Apps · LiveKit
How I work
Careful systems are built from careful decisions.
Make unsafe operations explicit
Secure primitives should preserve the behavior people depend on.
Treat portability as a constraint
A fix is more useful when it survives the boundaries between operating systems.
Measure what the system costs
Performance, storage, and operational tradeoffs deserve concrete numbers.
Contact
Interested in building something dependable?
I’m interested in systems, security, and infrastructure work where correctness matters.