Writing
The dictionary
From QA Engineer to Head of Quality: My 10 Years at Ninja Van
A candid look at the promotions, mistakes, and turning points across a decade building quality culture at one of Southeast Asia's fastest-growing logistics companies.
Why I Switched from Selenium to Playwright After 5 Years
After five years with Selenium WebDriver, the upgrade was overdue. Here's what I learned about browser automation, team adoption, and cutting flake rates.
Growing Up in Bandung: The City That Shaped My Curiosity
A quiet childhood, a single mother who always said yes to Math textbooks, and a mountain city whose cool air somehow made everything feel possible.
Building a Zero-Flake Test Suite: Lessons from 10,000 CI Runs
We cut our false-failure rate from 18% to under 0.4% over two years. Here's the playbook — retries, isolation, and a culture shift that stuck.
How Payment Gateways Actually Work: An Engineer's Perspective
From building EDC systems and payment gateways at Kartuku, an honest technical breakdown of the fintech plumbing most people never see.