Type-safe money: never ship a float again
Floating-point math and money are a recipe for silent corruption. Here's the Money type we use across every Clara service.
Carlos Méndez1 min readClara Engineering
Engineering the financial operating system for Latin America.
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How we cut deploy times in half
Caching, parallelism, and a hard look at our CI graph took our median deploy from 18 minutes to under 9.
2 min readCarlos Méndez1 min read
Taming Postgres at scale: the queries that bit us
Three production incidents, three Postgres lessons: index-only scans, connection pooling, and the danger of SELECT *.
Carlos Méndez2 min read