Principal Engineer – Data Infrastructure

Sezzle is seeking a Principal Engineer for their Data Infrastructure in Rosario, Argentina.

This role involves end-to-end ownership of database systems including MySQL and Postgres, driving optimizations, and leading innovations in a growing team.

The adecuado candidate has over 12 years of experience with strong hands‑on skills in SQL and data engineering frameworks, with a passion for building scalable systems in a dynamic environment.