Insights & Engineering

The WeSpotHire
Engineering Blog

Practical articles on ML engineering, MLOps, generative AI, and production AI systems — written by the engineers who build them.

MLOps
Marcus Johnson 9 min

Feature Stores Explained: When You Actually Need One (And When You Don't)

Feature stores are powerful, but implementing one prematurely is one of the most common — and costly — MLOps mistakes we see.

Generative AI
Priya Ramesh 11 min

RAG vs. Fine-Tuning: A Practical Decision Framework for Enterprise LLMs

Both approaches have their place. Here is the decision framework our solutions architects use when clients ask the inevitable question.

Case Study
Sarah Patel 15 min

How We Reduced a Retailer's Inventory Costs by 23% With ML Forecasting

A detailed technical breakdown of the architecture, challenges, and lessons from our most-cited success story.

Healthcare AI
Marcus Johnson 10 min

Building HIPAA-Compliant ML Pipelines: Architecture Patterns & Pitfalls

Healthcare AI has unique compliance requirements that fundamentally change how you design data pipelines and model serving infrastructure.

MLOps
Alex Chen 8 min

Model Monitoring in Production: What to Track, How to Alert, When to Retrain

Most teams monitor test-set accuracy. Production monitoring requires a completely different approach — here is what actually matters.

Generative AI
Priya Ramesh 7 min

Evaluating LLM Outputs at Scale: The Metrics That Actually Matter in Production

BLEU and ROUGE don't tell you if your RAG system is hallucinating. Here's the evaluation framework we use across all our LLM deployments.