Common SaaS Architecture Problems and How to Fix Them

ByHari Krishna, Enterprise Architect

Direct, technical guidance for SaaS architects — problem → cause → solution patterns. Building a SaaS platform is easy. Keeping it stable, scalable, and secure over time is harder. Below are the most common SaaS architecture problems, their technical causes, and practical solutions that actually work. 1️⃣ Tenant Data Leakage in Multi-Tenant Systems Problem: All…

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The SaaS Tenancy Models That Separate Amateurs from Pros — Explained with Diagrams

ByHari Krishna, Enterprise Architect

Introduction: Choosing the Right Tenancy Model is a SaaS Gamechanger Designing for multi-tenancy is one of the most pivotal architectural decisions in any SaaS product. Whether you’re scaling from MVP to millions, or refactoring a legacy monolith into a cloud-native platform, your choice of tenancy model impacts everything: scalability, security, operational complexity, cost efficiency, and…