Christian Arango

Portfolio

Side projects

Explore the documentation systems I designed and the products I build on my own time.

Products I build on my own time with Claude Code. Each one started with a problem of my own, and some are still in progress.

Tarima Carmesí’s opportunities panel: counts of open and upcoming calls, then the open calls ranked by score, each with its organizer, verdict, deadline, and alerts.
AI agent · In developmentNext.js · PWA

Tarima Carmesí: open calls for musicians, scored

An installable app whose agent reads the official rules of gigs, grants, and contests, scores each one against the artist’s profile, and flags what closes soon.

  • Next.js
  • AI SDK
  • Postgres
  • Installable web app
Release rescue, level 1: Arthur stands in an office between desks and chairs while a broken link and an outdated document burn, with three of four lives left and the timer running.
Browser game · In developmentchristianarango.com.co/mini-games

Release rescue: the mini-game on this site

A short, hard game where Arthur puts out fires around the office before a release. Twenty-six levels in six acts, with keyboard or touch, in three languages.

  • TypeScript
  • Astro
  • Game design
  • Accessibility
The Roster view shows Guardian Tales heroes with their official portraits, filters by element, role, and rarity, and 149 heroes not yet in the collection.
Desktop appWindows · Python

Guardian Tales companion app

A Windows app that recommends Guardian Tales teams and gear by game mode, and ranks every recommendation by how far you can trust its source.

  • Python
  • pywebview
  • SQLite
  • Data sourcing
Cherify’s New song tab: a drop zone for an MP3, WAV, or M4A file, optional song details, and the automatic flow of vocal separation, synced lyrics, chords, and BPM.
Desktop app · Audio AIWindows · Python

Cherify: from a song to a lyrics and chords sheet

A Windows app that turns a song into a synced lyrics and chords sheet: it separates the voice, transcribes it, and detects the chords in the accompaniment.

  • Python
  • Whisper
  • Demucs
  • pywebview
Windows PowerShell running agente.ps1: the evaluator explains the areas, duration, limitations, and feedback rules, then asks the first item, a number sequence.
AI agent · In developmentchericito/ia-agent-cheri

An AI agent for an initial IQ interview

A terminal agent that runs a conversational cognitive evaluation with Claude: adaptive exercises, hidden scoring, and timed memory tasks. An experimental estimate, not a clinical test.

  • Claude Code
  • PowerShell
  • Prompt design
  • Evaluation design