I'm Roi Mulia,
a Product Builder shaping
products millions love
A decade of engineering. Two companies built. Understanding users isn't a skill—it's an obsession.
The work speaks
40M+
Downloads
10+
Years building
2
Companies founded
Acquired
Mobile assets
Both sides
Technical depth.
Product instinct.
01
Engineer
Systems thinking. Architecture that scales. The ability to look at code and see where it breaks before it does.
02
Founder
User psychology. Market timing. The instinct to know when a feature is done, and when it's just comfortable.
For founders
Mentoring startups
that get it.
Product strategy. Growth mechanics. If you're building something real, let's talk.