Over the past few weeks, I’ve transformed my backend project SparkTrace into a reproducible, test-driven, and CI/CD-integrated system—ready for international technical interviews and scalable deployments. Here’s a breakdown of the key milestones: M...

Spoiler: The algorithm wasn’t impossible... but the environment was. Not long ago, I faced a set of technical challenges from BairesDev, mostly focused on ETL validation, SQL reasoning, and clean Python logic. Individually, none of the problems were...