Hector Perez Arenas

AI and R&D team lead/manager at Doofinder at Doofinder.
I like to build side projects like notes.club (Elixir Livebooks) and YouCongress (democracy lab).


Side projects & experiments

Notesclub: Discover Livebook Notebooks (open source)

Stack: Elixir, Phoenix, LiveView, Oban, Postgres, Tailwind

Screenshot of notes.club

YouCongress: Assisting decision-making (open source)

Create a yes/no poll and LLMs automatically generate opinions of public figures who agree/disagree. Then, users add real quotes from experts and public figures with sources.

Stack: Elixir, Phoenix, LiveView, Oban, Postgres, Tailwind

Screenshot of youcongress.com

Open source Future Financial Simulator: Will Your Savings Be Enough After AGI?

Find out if your savings are enough to cover your expenses if you can't find a job after AGI. Explore different scenarios now.

Future Financial Simulator: Will Your Savings Be Enough After AGI?

Basic Fact-checker (open source)

Stack: Elixir, Phoenix, LiveView, LLMs.

Fact-checker


Past Projects

Fastjot was a social note-taking site

Stack: Elixir, Phoenix, LiveView, Tailwind, Postgres, Alpine, Oban


Agreelist tracked influencers' opinions (open source)

Stack: Ruby, Rails. Integrated with Wikidata/Wikipedia.

Topics: AI & unemployment, AI risk, Basic Income, Social media & democracy, Carbon Tax, Brexit...

Screenshot with opinions