Blog

Engineering, architecture, and product insights from building real SaaS — in production, not in theory.

bunengineeringperformancestress-testing

From Monorepo to Polirepo — Primigenum

How we broke a bloated Turborepo monorepo into 7 independent, fast, focused repositories — and cut CI times by 72%.

engineeringarchitectureci-cd
· 8 min

Nexum: Building a Multi-Tenant Booking SaaS in 6 Months — Primigenum

From zero to production: how we built a multi-tenant booking platform with 555 API routes, 56 database tables, and 9 services — in 6 months.

productarchitecturemulti-tenant
· 6 min

Identitas: Why We Built Our Own Auth Service — Primigenum

47 source files, 146 routes, 15 database tables, 35 rate-limit rules, 3 auth providers. Why we built Identitas instead of using Auth0.

architectureauthsecurity
· 5 min

One Identity, Many Products: The Primigenum Platform Vision — Primigenum

How a shared auth layer (Identitas), reusable infrastructure, and independent repos let us build and deploy new SaaS products in days — not months.

visionplatformarchitecture
· 5 min