Codebase RAG
Delivered a Workers + D1 retrieval pipeline over 1.2M LOC that serves accurate code answers in 420ms p95, boosting incident triage resolution by 37%.
Personal notes / Technical blog
I'm Roy Zhu. This is my personal site and technical blog, where I keep notes on architecture, developer experience, AI-assisted workflows, and the practical details behind building software.
Delivered a Workers + D1 retrieval pipeline over 1.2M LOC that serves accurate code answers in 420ms p95, boosting incident triage resolution by 37%.
Launched a Playwright + Workers co-browsing assistant that cuts enterprise onboarding time by 45% through scripted product walkthroughs.
Learn how to scaffold, test, and distribute a TypeScript-powered CLI so your engineering teams can automate workflows with typed, resilient tooling.
A practitioner’s walkthrough for packaging an ASP.NET workload with Docker, verifying it locally, and shipping it onto AWS EC2 with the guardrails needed for repeatable releases.
Walk through designing a quote management workflow that captures leads, routes approvals, and keeps underwriting data consistent with ASP.NET Core patterns.