Revellio Christopel Oktufovian Lumbaa
I build product-grade web apps and the CMS that feeds them — so content ships from a browser, not a git commit.
Projects
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Revellio
Ship the smallest thing that works
The best code is the code never written. One line beats an abstraction with one caller.
Separate with lines, not space
A hairline carries the same meaning as a shadow, at 1px and zero elevation.
Numbers carry context
“Fast” means nothing. “p99 2.8s → 86ms” means something.
Honest caveats over clean claims
Every metric ships with the case where it doesn’t hold. Trust compounds.
My Github contribution
Certified & verified
A live ticker of credentials — it scrolls on its own. Hover to pause, and open any card marked ↗ to view the original.
No certificates published yet.
Just Type
Use the cli terminal to jump between sections, the usage is the same as using linux etc.
Journey
The path so far the roles I've grown into and the things I've shipped along the way, newest first.
No milestones published yet.
Start a project.
Tell me a bit about what you have in mind and the budget you're working with. I'll come back with a clear quote and a step-by-step plan — nothing gets charged until we agree on it.
How much does a project cost?+
It depends on scope, so the honest answer comes after a short call. As a reference: a company profile or landing page usually lands in the Rp 5-15 jt band, a CMS-backed site with an admin panel in Rp 15-40 jt, and anything with custom integrations or a longer engagement above that. You get a fixed quote before any work starts - no hourly surprises.
How long does it take?+
A landing page is typically 1-2 weeks. A CMS-backed site is 3-5 weeks. A custom web app depends on the feature list, but it is broken into milestones so you see something working every week rather than waiting for one big reveal.
How do we start?+
Send the brief through the form or WhatsApp. We do a 30-minute call to pin down scope, then you get a written proposal with the price, the milestones, and what is explicitly out of scope. Nothing is charged until you approve that document.
How does payment work?+
50% down payment to start and 50% on handover for shorter projects. Longer engagements are split per milestone so your exposure stays small. Invoiced in IDR, transfer to a local bank account.
How many revisions do I get?+
Two rounds per milestone are included, which covers the normal back-and-forth. Beyond that, or if the scope itself changes, we agree the extra cost in writing first - so it never turns into an awkward conversation later.
Do I own the code?+
Yes. On final payment the repository, the domain, the hosting and every account move to your name. No lock-in, and nothing keeps running on my accounts unless you ask me to maintain it.
What happens after launch?+
Thirty days of bug fixes are included at no cost. Monthly maintenance after that is optional - handing you something you can run yourself beats selling you a dependency.
Can you work with my existing team?+
Yes. I take contract work alongside in-house teams and agencies, either owning a specific scope or adding a pair of hands to an existing codebase. Code review and handover documentation come with it.

