1 min read
Point-of-Sale Systems Architecture
Architecting modern payment acceptance is harder than it looks. Between EMV, SoftPOS/MPoC, PCI DSS, HSMs, ISO 8583, Tap to Pay on COTS devices, and backend patterns that must stay …
3 pages
Books
1 min read
Prompt as Interface
Most teams still write prompts like search queries. Production systems need interfaces: explicit goals, ordered constraints, schema-bound outputs, and testable behavior. Prompt as …
1 min read
The Obsolescence Paradox
Everyone is asking whether AI will replace engineers. The better question is which engineering work becomes more valuable when models handle the routine — and which mistakes get …