Mercor, which achieved Forbes AI 50 recognition for the second consecutive year and reached $1 billion in annualized revenue run rate, now distributes over $2 million daily to more than 30,000 active contractors worldwide. The post details the engineering and operational challenges of scaling from $200K to over $14M a week on the platform, exposing gaps in early-stage data models, processes, and controls. The authors share lessons from rebuilding the infrastructure needed to sustain that growth reliably.