Engineering Postmortems

Case Studies

Deep dives into ML projects — what I built, what broke, and what I learned. No polish, just honest engineering.

3 case studies•4 domains

Building and debugging a BiRNN-CRF model for Q8/Q3 protein secondary structure prediction under Kaggle compute and inference constraints.

Engineering a production-grade face recognition pipeline using InsightFace embeddings and cosine similarity — no model training at deployment time.

Comparing ResNet18, EfficientNet-B0, and ConvNeXt-Tiny for simultaneous age regression and gender classification. Kaggle harmonic score: 0.821.