Caco (Joaquín Ossandón)

Hey! I'm a software engineer from Chile, now living in San Francisco.

About meCS · ML · founder

2016–2020

B.Sc. in Computer Science

2020–2022

Master's in Visual and Language Navigation. A mix of computer vision and LLMs

2021–2023

Worked at Fintual for two years as a dev and tech lead

2023–now

Currently CTO at perhaps, building faces.app

since 2010

I play volleyball a lot

Writing7 posts

June 6, 2026

Coding agents should offer options

May 25, 2026

Let the model ship the controls

April 7, 2026

Parallel Dev Servers in a Monorepo with Git Worktrees

April 4, 2026

Taking Screenshots of the DOM

December 4, 2025

How streaming makes UI feel faster

November 10, 2025

Compiling React in the Browser using esbuild-wasm

January 9, 2024

Boosting LLM Credibility with Inline Citations: A Guide

Projects

Perhaps Inc

Faces: Software presentations

Interfaces: Software on top of any website

Workspace: Workspace with an infinite canvas and browser

Canvas: Canvas for LLM prototyping

Workers: AI assistants with knowledge bases

Other

TrackHands: Hand tracking to stop biting nails

x.comgithub