dactrtr

Sebastian Zúñiga Rivas

... what

さばさばの魚と申します

I'm UI Designer, Illustrator and Indie Game Developer (HTML/CSS/SwiftUI/Lua) located in Tokyo.

dactrtr.rocks

Dinopirates from Inner Space

Game Designer · Developer · Art Director · Tokyo, Japan · 2025

Build a game universe across two distinct platforms from scratch: a hardware-constrained 1-bit Playdate game and a commercial action roguelike for Steam, as sole designer, developer, and art director on both. Each version required owning a completely different part of the stack under completely different constraints.

view project view project

UX/UI Designer · 2025

Storymoon

Brand identity, UX design, and iOS app design implementation for a digital personalized children's story platform.

view project view project

UX/UI · Frontend Developer · 2023

Brave UP!

Design system evolution, D3.js data visualizations, and SwiftUI prototyping for an edtech platform.

view project view project

Frontend Developer · 2022

Deviants' Factions

Mobile-first frontend for a web3 play-to-earn NFT trading card game, built with a distributed team across 10+ countries.

view project view project

UI Frontend Developer · 2021

Clever by BICE

UI frontend and iOS app foundation for a fintech investment platform backed by BICE bank.

view project view project

UI Designer · 2019

Baufest

Modular design system for two banking platforms. Improved consistency, reduced handoff friction, and standardized asset workflows across ...

view project view project