freelancing

A practical overview of the Korean tax obligations that apply when you invoice foreign clients — business income vs. employment income classification, VAT considerations, NTS filing deadlines, and why you need an accountant before your first foreign invoice.

Statement of work templates, discovery calls, and estimate buffers — what I learned after a migration project ran 40% over the hours I quoted.

A practical guide to combining a full-time engineering job with a side teaching contract — covering time management, tax structure, rate-setting, and the unexpected ways each role makes you better at the other.

A practical guide to the non-technical work of contracting — setting expectations, managing scope, handling difficult conversations, and building the kind of client relationships that generate referrals and renewals.

A strategic and operational guide for building a high-value freelance practice in an AI-transformed professional landscape — covering positioning, client acquisition, pricing architecture, scope management, and the specific adaptations required to thrive rather than compete against automation.