engineering-writing

Decision records and write-ups from things I have built

Case studies of systems I built that are not open-sourced, and why each one could not be: a law-firm CRM with database-enforced tenancy, a SaaS over a certificate-only government API, and a legal-notice pipeline whose headline result is the letters it refused to send

Engineering case studies: architecture, decisions, and measured costs from two products whose source is private

Codex skill for engineering course-design writing, chapter-by-chapter revision, and calculation-aware Markdown drafting｜工程课程设计写作与逐章改写技能

Engineering case studies: backend, PostgreSQL, NLP and machine learning.

Engineering write-ups — production decisions and their trade-offs, from a React Native + PostgreSQL marketplace and a 8-locale Next.js site.

공학적 글쓰기와 이야기를 나누는 곳입니다.

technical-writing-portfolio

Essays on AI, infrastructure, accessibility, and systems built under constraint.

Incident write-ups from systems I run: what broke, what I measured, what I rejected, and what would change my mind.

Leslie Zhang — Real-world Agents, Agent Infra, and engineering writing

Documented record of my open-source contributions — the reasoning behind each one, not just the links. Status auto-synced from the GitHub API.

Source for guesser.dev: an Astro portfolio and backend engineering writing.