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Jiyu

UK-based software engineer working across enterprise software, integrations, automation, and full-stack tooling.

About
Fencer in motion

Writing

Latest posts

Dev 18 May, 2026

Codex anywhere with tmux, Termius, and Tailscale

A practical mobile setup for using Codex from a phone by SSHing into a laptop and attaching to tmux.

Dev 17 Apr, 2026

Zod Beyond Validation

How runtime schemas can document boundaries, normalize inputs, and keep API and UI contracts consistent.

Dev 20 Mar, 2026

Localization in Product Apps

Why localization is a product boundary that affects routes, validation, dates, permissions, and support.

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