@nickzykov

Nick Zykov

@nickzykovJoined April 2026

Building backend systems. Occasionally understanding why they work.

About

I build backend systems and occasionally understand why they break. Writing about architecture, trade-offs, and things I wish someone had told me earlier.

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NZNick Zykovcorner4.devApr 15 · 28 min read

Reinventing Payment: How I Evolved a Domain Model from One Table to DDD

Every payment system starts the same way: one table, one provider, ship it. Then the second provider arrives. Then retry logic. Then partial refunds. Then you realize the model you built on day one is

Nick Zykov

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Nick Zykov's blogs

Recently published

Reinventing Payment: How I Evolved a Domain Model from One Table to DDD

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Nick Zykov

About

Available for

Nick Zykov's blogs

Recently published

Reinventing Payment: How I Evolved a Domain Model from One Table to DDD