$ whoami
Amin
Technical Lead at METRO.digital, focused on backend systems & architecture.
Technical Lead with 12+ years of experience designing, building and scaling web platforms. Backend-focused (Kotlin, Java, PHP with Symfony and Laravel, Google Cloud), with a track record of turning slow legacy systems into fast, reliable products.
~/courses/solid ls --limit=2
all lessons →- lesson 01video · 0:58
Single Responsibility Principle
Why one team's change can break another team's feature, and how splitting a class by "reason to change" stops it.
- lesson 02video · 0:55
Open/Closed Principle
Add a new payment method without editing Checkout, by replacing if-else chains with one class per method.
Learning tracks for engineers who ship.
Free tracks: SOLID in 5 minutes · Design patterns, one at a time. Short videos with notes and code.
start learning →$ cd ~/projectsProjects
Open-source and commercial builds, with the architecture behind them.
12+y
Experience
- Kotlin
- Ktor
- Java
- Google Cloud
- Systems Design
- PHP
About
Boring tech, clear code, systems that are easy to run at 3am.




