Rancang Nusantara Teknologi

Your software.
Built by engineers who answer to you.

We design, build, and deploy websites, apps, and backend systems from Batam, Indonesia. No outsourcing. No layers. Direct access to the people writing your code.

app.config.ts
tatan.app
Tatan construction management app
megastarpersada.com
Mega Star Persada website
Greentech Globalindo mobile website
What We're Good At

We build digital products that actually perform — not just look pretty in a pitch deck.

Our stack is modern, our architecture is clean, and everything we ship is engineered with one obsession: does it work for the people using it?

Web & mobile apps

From responsive websites to cross-platform mobile apps, we build interfaces that load fast, feel smooth, and scale without drama. Think sub-second page loads, offline support, and push notifications that just work.

Backend systems & APIs

REST, GraphQL, real-time websockets — whatever your product needs under the hood. We design backends that handle traffic spikes gracefully, keep your data consistent, and make future you grateful for the architecture choices.

SEO & content engineering

Beautiful code means nothing if nobody finds it. We bake search visibility into the foundation — structured data, performance budgets, crawlable architecture — so your product ranks where it should.

Security-first development

Auth flows, data encryption, input validation, and regular audits are not afterthoughts here. We treat security the way it should be treated: as a core feature, not a checkbox.

Who We Are

Small team, big standards. Engineers and designers operating from the heart of Batam.

A tiny island in Indonesia, strategically positioned just a short ferry ride from Singapore and within arm's reach of Malaysia. It's a unique launchpad: Southeast Asian hustle meets global perspective. Everyone here writes code, reviews code, and ships code. No layers of management. No handoffs that lose context. When you work with us, you talk to the people actually building your product — and they care about getting it right.

Direct access

No account managers. No middlemen. You talk to the engineers building your product — decisions happen fast, context never gets lost.

Global reach, local cost

Southeast Asian rates, international quality. Your budget goes further without compromising on the calibre of work.

Rancang Teknologi office workspace
From the Founder

We build software that works as hard as you do. Efficient under the hood. Intuitive on the surface. Secure by default. That's not a tagline — it's the standard every project has to meet before it leaves our hands.

Ryonald Teofilo

Ryonald Teofilo

Founder

LinkedIn

Ready to build something that works?

Tell us what you need. We'll tell you exactly how we'd build it.