Aller au contenu principal
William Balance

São Paulo

Freelance AI full-stack developer for São Paulo companies

São Paulo: the largest tech ecosystem in Latin America

São Paulo is the undisputed tech capital of Latin America, and the scale sits in a different league from any other city in the region. Nubank, HQ’d in Vila Olímpia, is now one of the largest digital banks in the world. iFood dominates food delivery across Brazil, Stone and PagSeguro run SMB payments, XP rebuilt retail investing, and Itaú and Bradesco operate some of the most ambitious enterprise AI programs of any banks globally. Unicorns like QuintoAndar, Loft, Loggi and Wildlife Studios prove Brazilian engineering competes internationally.

São Paulo teams are ambitious, commercially sharp and used to scale. Pix and open finance have also produced real-time data patterns worth designing around.

Known companies and institutions

  • Nubank, iFood, Stone, PagSeguro and XP leading fintech and consumer tech
  • Itaú, Bradesco and Santander Brasil running serious enterprise AI programs
  • USP, Insper and Unicamp producing strong engineering and data talent

Relevant use cases for São Paulo

  • Portuguese-first support agents and copilots for banks, fintechs and marketplaces
  • Fraud detection and compliance automation for Pix-era real-time payments
  • Document intelligence for credit, insurance and logistics at scale
  • AI product features for DTC and B2B SaaS targeting Brazilian and Latam markets

Talking about a project

São Paulo runs 12 hours behind Seoul — about as clean as overnight delivery gets. Book a 30 minute intro via Cal.com or email me directly.

Got a project?

30 free minutes to scope your need and figure out whether I am the right fit.

Nearby cities

See all cities →