Design, Frontend & Backend · Oct 2026
Gaiana
Dress rental and sale storefront in Surabaya. Designed and built end to end, from catalogue to checkout to operations.
Overview
Gaiana rents and sells occasion dresses. I designed and built the storefront and the back-office behind it through Quanta Labs, the studio I co-founded. It launched in October 2026 after five months of work, replacing a business that ran on Excel and Google Drive.
Designed for the customer
Renting a dress is a date problem as much as a shopping one. Customers filter by rental date, size, colour, price, occasion, length and neckline, and the size filter works from their own measurements. Those filters come from the same attributes the team uses to organise the catalogue, so nothing is maintained twice.
One dress, one calendar
The customer picks a single event date. The calendar shows when the garment arrives and when it goes back, and dates taken by other bookings are already blocked. A rental holds more than the day it is worn, so courier transit, preparation and cleaning are booked alongside it, and the same rule runs on the product page, at checkout and in the back-office.
How it was built
I work with AI agents, and I don't ship slop. Each feature went from questioning to prototype to spec to tested code, with the decisions written down along the way. The goal is a product nobody would guess was built that way.

