Yoonmee Hwang

ML Experimentation Platform for Time-Series Anomaly Detection

Mon, 11 May 2026 00:00:00 +0000

Independent study. Reproducible PyTorch experiment framework evaluating 5 model architectures across 200+ time-series datasets on a Slurm HPC cluster. Fail-fast screening cut a 17 GPU-hour benchmark to 1.3 GPU-hours, with 600+ runs tracked in Weights & Biases.

Movie Recommender System in Production

Sun, 01 Feb 2026 00:00:00 +0000

Infrastructure and MLOps lead in a 5-person CMU team (17-645). Ran a movie recommender for a simulated 1M-user service on k3s with Helm, GitHub Actions CI/CD, and Prometheus, Grafana, and Loki monitoring. Cut timeout rate to 3.3% and cold-start latency to under 100ms (dev-measured).

Financial Integration Service (Troutwood)

Fri, 01 Aug 2025 00:00:00 +0000

Serverless payroll-data ingestion platform on AWS (Lambda, SQS, DynamoDB, CDK), built as a CMU MSE Studio project for . Designed the end-to-end CI/CD platform on GitHub Actions: 14 of 17 workflows, gated deploys, per-branch ephemeral stacks, GitHub OIDC auth, and LocalStack integration tests.