Caio E.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I am a software engineer experienced in: * Ruby on Rails (Ruby) * Phoenix (Elixir) * PostgreSQL * ElasticSearch * React * jQuery * MVC pattern * Code patterns * Webservices using JSON * Background jobs using Sidekiq and Resque * Planning and execution of relatively large database migrations on Rails projects * Unit and integration testing * Version Control: Git I'm always looking for improving my current skills and learning: new technologies, programming languages and spoken ones as well.