- Python services with matching implemented as SQL against Postgres
- PostgreSQL via Supabase
- Aurora PostgreSQL with declarative partitioning and read replicas
- NUMERIC(19,4) in Postgres, Python decimal.Decimal, strings across the API boundary
- pg-boss on the same Postgres instance
- Postgres row-level security enabled on transactional tables
- timestamptz in Postgres, UTC throughout, converted at render time