Notes from building AI products and running an engineering team
Field notes on AI product development, SaaS architecture, EdTech, cloud infrastructure and engineering leadership — drawn from what we actually ship at NerdDevs, not theory.
AI Coaching in Consumer Apps: What DailyHabitz Taught Us About Retention
Habit trackers lose most users in week two. Here's how personalized AI micro-coaching changed DailyHabitz's retention curve, and what actually made the difference.
Cold Email Still Works — If Your Product Team Builds It Right
We built cold-email sequencing and reply detection directly into NerdCRM because our own sales team needed it. Here's what that dogfooding taught us about outreach that actually works.
Hiring Engineers Who Ship: What Leading 20+ Engineers Taught Me About Building Teams
Technical skill is table stakes. Here's what actually predicts whether an engineer will ship reliably on a growing team, after 19+ years in the industry and leading a 20+ person engineering org.
The Multi-Tenant Trap: Architecture Decisions That Are Hard to Undo
Multi-tenant SaaS architecture decisions made in week one can outlive every other technical choice in the product. Notes from building Biddaan and NerdCRM on what's actually hard to undo.
Remote Proctoring at Scale: Engineering Trust Into High-Stakes Exams
TestReach delivers millions of high-stakes professional exams for bodies like ACCA and British Council. Here's what building trust into remote assessment infrastructure actually requires.
Why Every SaaS Founder Needs to Understand Their Own Database
You don't need to write every query yourself, but if you can't explain your own data model, you can't make good product or pricing decisions. Here's why.
2026 Predictions: Where AI Product Development Is Actually Heading
Fewer chatbots, more invisible AI. My honest read on where AI product development is heading in 2026, from someone shipping AI products in production, not just experimenting with them.
Choosing Between AWS, Azure, and GCP: A Founder's Practical Framework
After architecting production systems on all three major clouds, here's the framework I actually use to decide — not the marketing comparison, the operational one.
TDD Isn't Slower — It's a Different Kind of Fast
Test-driven development gets dismissed as a tax on shipping speed. After 19+ years and a fair number of production incidents, here's why I still lead with it.
From Idea to 1,000 Educators: What Building Biddaan Taught Me About EdTech in Bangladesh
Biddaan is our localized multi-vendor LMS for coaching centers and trainers in Bangladesh. Here's what onboarding 1,000+ educators actually taught us about the market.
The Hidden Complexity of SMS at Scale: Building a Messaging Platform That Doesn't Drop Texts
Delivering 5M+ texts a month taught me that SMS looks simple until you're the one guaranteeing it arrives. Notes on idempotency, dead-letter handling, and carrier reality.
Why We Rebuilt Our AI Chat Pipeline for Scale: Lessons from Genius AI's First 100K Users
What broke, what held, and what we'd do differently after Genius AI went from zero to 100K sign-ups in three weeks without falling over.
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