Production problems, architecture decisions, and technical case studies from the Kayra Export project.
From Kayra Export Performance treated as separate from product UX
A 13-part engineering series on treating loading, responsiveness, and stability as product features—and protecting user-perceived performance under marketplace scale and AI workloads.
Start the 13-part performance series From Kayra Export Capture is easy; finalization is hard
How I closed the gap between capture and complete in a checkout payment engine with outbox, inbox, reconciliation, and effectively-once defenses.
Read the 22-part technical case study From Kayra Export When a shared CRUD model breaks under growth
Command/query separation, outbox, and production recovery when orders, stock, and reporting can no longer share one model.
Start the CQRS series
