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Chandler Nguyen

A personal blog about expatriates in the US, AI, Leadership, Geopolitics.

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Tag: SaaS

Abstract data visualization showing a clean geometric database structure with 89 hidden gaps being filled by gold index connections - transforming 843ms queries into 2.8ms, a 296x performance improvement

My Database Was “Correct.” It Was Also 296x Too Slow.

December 2, 2025 Chandler Nguyen AI

October 25th, 2025. My SaaS application was finally feature-complete. Nine major features, multi-tenant architecture, progressive learning—everything worked. But it was slow. Really slow. Dashboard queries

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Visualization showing 31 blank screen errors being systematically discovered and fixed, transforming from broken trust-killing experiences to working user flows

Blank Screens Kill Trust. I Had 31 of Them.

November 25, 2025 Chandler Nguyen AI

November 1st, 8:47 AM. I got the email. “Hey Chandler – I clicked ‘View’ and got a blank page. Did I lose all my interview

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Architectural cross-section showing multi-tenant database foundation being rebuilt from shared org_id filtering to separated schema routing while system remains operational, Day 2 to Day 67 evolution

I Built Multi-Tenancy on Day 2. On Day 67, I Rebuilt It

November 21, 2025 Chandler Nguyen AI

October 27, 2025, 11:47 PM. I’m running what I thought would be a routine security audit on STRAŦUM. Everything’s been working fine for weeks—SMEs have

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Multi-tenant architecture visualization showing dual paths for SME and Agency users, built from Day 2 based on 20 years of agency experience

I Knew What Agencies Needed—So I Built Multi-Tenancy on Day 2

November 18, 2025 Chandler Nguyen AI

August 21, 2025. Day 2 of building STRAŦUM. I was sitting at my desk with one working AI agent (Business Strategy), basic authentication, and a

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