React Hook Form + Yup in Production: Architecting Complex Forms A loan application form may look simple at first glance: amount, term, rate. But once you add multiple modes, collateral, co-borrowers, and realtime feedback, the problem is no longer validating individual fields. The real challenge becomes keeping the whole system manageable as requirements grow. In […]

When the rules of the game change Imagine: teams are rotating, new vendors are coming in, and the platform serves multiple stores across different regions. Each with its own business and tax rules, currencies, and payment providers. On top of that, dozens of integrations: PIM, ERP, WMS, CRM, Marketing and SEO tools. That is exactly […]

How We Decomposed a 2,800-Line Angular Component and What It Taught Us In frontend development, a simple screen can easily turn into a component that grows faster than the architecture around it can adapt. At some point, such a file becomes hard to read, risky to change, and nearly impossible to evolve without side effects. […]

People pick FastAPI for speed and async support. But on one of our projects, an API handling only ~150 RPS started responding in 3–5 seconds. Sometimes requests even timed out. Infrastructure looked fine: CPU sat around 35–40% PostgreSQL showed no slow queries the network didn’t look guilty either Everything looked “normal”, yet users were waiting […]