Rafael Oliveira
CS Student & Part-Time Developer · Belo Horizonte, Brazil
CS student at UFMG, part-time remote developer, full-time IOF tax complainer. I track my spending in a GitHub repo because apparently I can't even budget like a normal person.
2 articles by Rafael
Stories9 min readMar 7, 2026
GitHub Copilot changed my code but my Nubank card can't pay for it
I was debugging a React component at 2 AM when it happened. GitHub Copilot suggested a solution that was so elegant, so perfectly tailored to my exact...
Stories7 min readMar 1, 2026
I Need \$30/Month in Developer Tools and My Bank Charges Me \$45 for It (Thanks, IOF)
A Brazilian CS student's honest breakdown of what developer tools actually cost when IOF tax and bank spreads turn \$58 into R\$476.