Architecture comparison
FinTech
Carta operates a proprietary, cloud-based equity and private capital management platform, most likely hosted on AWS using a relational database such as PostgreSQL. Public information focuses on product capabilities rather than disclosing detailed production architecture, so deeper specifics cannot be reliably verified.
FinTech
Global payments processor on its own infrastructure; large in-house fraud/risk ML; off the foundational-LLM map at the core.