Data Scientist with 5 years building production ML pipelines in healthcare RCM. Relocating to Germany for senior ML roles. EU Blue Card eligible.https://saurabhjoshi.dev/https://saurabhjoshi.dev/blog/parquet-pipeline/https://saurabhjoshi.dev/blog/parquet-pipeline/A proof of concept runs once, on your machine, while you watch. Production runs unattended, forever. Here's the refactor that bridged the two for an RCM classifier.Tue, 09 Jun 2026 00:00:00 GMThttps://saurabhjoshi.dev/blog/threshold-tuning/https://saurabhjoshi.dev/blog/threshold-tuning/An AUC of 0.90 told me the model was good. A 0.5 cutoff told the business it was useless. Here's how I closed that gap on a production RCM classifier.Thu, 28 May 2026 00:00:00 GMT