Notes from the trenches.
Essays and practical write-ups on engineering, product thinking, and the tools I use every day.
Engineering
The Boring Stack Wins: Why I Choose Proven Tools for Client Work
Every project tempts you with shiny new tech. Here's my framework for deciding when novelty pays for itself — and when it quietly burns your budget.
Performance
From 4 Seconds to 400ms: A Real E-Commerce Speed Makeover
A step-by-step teardown of the optimizations that took Lokalana from sluggish to a 98 Lighthouse score — including the two changes that mattered most.
Architecture
Monolith First: An Honest Retelling of Our Microservices Detour
We split a codebase because a blog post said we should. It cost us four months. This is what we'd do differently, with the checklist I now use instead.
Career
What Six Years of Freelancing in Southeast Asia Taught Me
Rates, red flags, remote clients across time zones, and the uncomfortable lesson about saying no that doubled my income.
Flutter
Offline-First Mobile Apps in Emerging Markets: A Field Guide
Building TokoKilat Seller for areas with unreliable connectivity — sync strategies, conflict resolution, and the UI patterns that kept 8,000 sellers from rage-quitting.
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