Articles and engineering guides covering payment security, multi-tenant SaaS, ERP systems, and web performance.
Why frontend payment confirmations are inherently dangerous, and how to build server-authoritative HMAC webhook handlers with idempotency.
A deep dive into organization boundaries, foreign key integrity, and preventing tenant data leakage in enterprise SaaS platforms.
How floating-point inaccuracies cause accounting leakage and GST compliance issues, and how Decimal.js guarantees arithmetic exactness.