Hi, I'mDaffa.Daffa.researchvibecodeship itI design& build softwarefor web, mobile & desktop,solo.

MarginRoonaMagicIconMargin, Roona, MagicIcon — mine, start to finish.

Three products, six years in product teams before that. Below: how I work, and who I did it with.

How I work, and who with, below

Solo now — but not new at this.

Receipts

Six years on payroll before I went out on my own — the kind of rooms where a bad release costs someone real money.

NO.
2020202220242026
01

Activate Interactive

2023 — 2026

Senior Software Engineer · contract · Singapore

Three GovTech Singapore platforms — GRL@PA, SRS (Ministry of Health), C@SG (Customs). Began on Inphosoft, their Jakarta offshore team, then moved onto the Singapore side.

02

Tinkerlust

2021 — 2023

Software Engineer · full-time · Jakarta

Fullstack across storefront, seller dashboard, and APIs — and one of three engineers who took their React Native app from nothing to both stores.

03

Bank SMBC Indonesia

2020 — 2021

Software Engineer · internship · Jakarta

Where it started: an internal observability dashboard, then an HR automation platform. Banking review culture, learned early.

Regulated, high-traffic, and committee-reviewed work. It’s why I’m calm about edge cases and blunt about scope.

Freelance, in the openUpwork

A few years of clients who came back — and rated it publicly.

100% Job SuccessTop Rated

Every contract closed the way it was promised — earned by outcomes, not profile polish.

$3K+earned so far — small budgets treated like large ones.

Public profile, public feedback. Ask and I’ll send the link.

I take a couple of projects a year. Here’s how to tell if yours is one.

one project at a time

Worth emailing me about

A small product that needs design and code from the same personAn app that exists but feels clumsy and nobody knows whyZero to TestFlight in weeks, not quarters

Probably not me

Pixel-pushing someone else’s finished specStaff augmentation on a team of twelve“Just a quick landing page by Friday”

Write me two paragraphs about the problem — no brief needed. I answer everything within a day, even the no’s.

Got something worth building well?

Daftdevs — designed and built in Jakarta.