SaaSLive system
PonkoForm
Drag-and-drop form builder with conditional logic, payment collection via PayPal and Xendit, email delivery, and response routing — all in one flow.
VitePostgreSQLNeonTailwindTanStack
Independent systems studio
BuildVault
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.
Selected work
Systems built for the long run.
A focused selection of products, platforms, and infrastructure engineered to stay clear as they scale.
AILive system
Kairo
Company knowledge assistant that ingests files, URLs, and notes, then surfaces answers via hybrid vector + full-text search with cited sources.
Next.jsAI SDKPrismaPostgreSQLpgvectorGemini
Internal SystemsLive system
Marketing & SEO
SEO audit and content relevance analyzer powered by Gemini AI. Crawls sites, scores content, and surfaces optimization opportunities across platforms.
Next.jsPostgreSQLTailwindGemini AIFirecrawl
Field notes
What we learn while building.
Short, useful notes on engineering decisions, infrastructure, and product craft.
Open for select projects
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.