Selected projects.

A gradient-boosted churn model that flags at-risk accounts two weeks earlier, lifting recall 18 points over the prior baseline.

• XGBoost
• Feature Store
• SHAP

A transformer classifier that auto-routes support tickets to the right queue, cutting human triage time by nearly two-thirds.

• Hugging Face
• BERT
• FastAPI

A two-tower recommender serving 40M daily impressions, lifting click-through conversion 24% in a controlled A/B test.

• PyTorch
• Faiss
• Redis

A graph-based fraud detector scoring transactions in real time at 0.94 AUC, saving an estimated $2.1M annually.

• GNN
• Kafka
• Neo4j

A CNN defect detector for a production line, reaching 99.2% accuracy on edge hardware with sub-50ms inference.

• CNN
• ONNX
• OpenCV

A hierarchical demand-forecasting system that improved accuracy 31% and cut excess inventory across 1,200 SKUs.

• Prophet
• LightGBM
• dbt

A retrieval-augmented summarizer for legal documents, improving ROUGE-L by 0.12 while keeping citations verifiable.

• RAG
• LangChain
• pgvector

A causal uplift model that targets only persuadable users, adding 9 points of campaign ROI while shrinking spend.

• CausalML
• DoWhy
• Snowflake

A semantic segmentation model for satellite imagery that tripled labeling throughput for a land-use analytics team.

• U-Net
• Rasterio
• Sagemaker