Hi, I'm Melvin.

Fintech backend and platform engineer with 4+ years of experience building high-throughput, production-grade distributed systems serving millions of daily active users. Currently diving into AI engineering.

Writing

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Nothing Broke, and We Were Still 4 Months Late

I migrated a core credit approval service with a clean cutover and still missed the deadline by 4 months. What I wish I'd known before a big bang migration.

NOV 7, 2026

Nothing Broke, and We Were Still 4 Months Late
#Backend#Migration#Engineering#Python

Building Rōnin: I Automated My Japan Job Hunt So I Could Actually Prepare for Interviews

How I built a daily automated job pipeline for my Japan job search — scraping, deterministic scoring, and Discord pings so I can spend my energy on interview prep, not LinkedIn.

OCT 23, 2026

Building Rōnin: I Automated My Japan Job Hunt So I Could Actually Prepare for Interviews
#Engineering#Automation#Career#Python

The Algorithm Interview Is Dead - Sun Tzu, Probably

Four years building systems for millions of users. The hardest algorithm I've shipped in production is O(n) → O(1). Let's talk about what technical interviews are actually supposed to test.

OCT 12, 2026

The Algorithm Interview Is Dead - Sun Tzu, Probably
#Career#Engineering#Interviews#Opinion

Projects

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Nothing here yet. Working on it.