Knowledge

Practical notes from building and operating systems

Structured technical and operational writing about architecture, integrations, banking systems, SaaS, operations and knowledge transfer.

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Practical engineering notes

SaaS Architecture

Designing Enterprise RBAC for SaaS Platforms

Enterprise RBAC works when permissions describe stable business actions and roles merely bundle those permissions for people. If code asks “is this user an admin?” everywhere, roles become hard-coded policy and every new customer-specific role requires code c…

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DevOps & Production Engineering

Designing Enterprise-Grade CI/CD Pipelines

An enterprise CI/CD pipeline should answer two questions: is this exact source safe enough to package, and is this exact artifact safe enough to promote to the next environment? Rebuilding differently per environment or skipping gates turns deployment into a…

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