Infrastructure
Nexus Auth
A distributed authentication layer handling 100k+ concurrent sessions with sub-50ms latency. Built on OAuth 2.0 + WebAuthn with a hot-replicated session store.
GoRedisWebAuthnDocker
Learn moreBuildVault
by Zack
We build systems that scale.
BuildVault is a portfolio of carefully engineered systems — from cloud infrastructure to full-stack applications. Every project is built with precision, performance, and clean architecture in mind.
Featured systems
A selection of engineered systems we have built.
Full-Stack
Cascade CMS
Headless content management platform with real-time collaboration, versioned workflows, and a plugin architecture. Powers 200+ editorial sites.
Next.jsPostgresLiveblockstRPC
Learn moreDevOps
Pulse Monitor
Real-time infrastructure observability dashboard with customizable alerts, anomaly detection, and on-call scheduling. Processes 10M+ events daily.
RustClickHouseGrafanaKafka
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Updates, deep dives, and engineering notes.
Have a system in mind?
Every project starts with a conversation. Tell us about the system you need — whether it's a prototype, a full platform, or something in between — and we'll figure out the rest together.