AI Ethics and Fairness: Interview Questions and Technical Framework
5 min read AI ethics and fairness questions appear in interviews at every major tech company — and not just for policy roles. […] Read article
AI/ML Interview Questions
AI/ML Interview Questions
How to Evaluate an LLM: Benchmarks, Human Eval, and Red-Teaming
5 min read “How do you evaluate an LLM?” is now a standard interview question at companies building AI products. It tests whether Read article
AI/ML Interview Questions
MLOps Interview Questions: Pipelines, Monitoring, and Deployment
6 min read MLOps interviews test whether you can build and maintain ML systems in production — not just train models in notebooks. Read article
AI/ML Interview Questions
ML System Design: Build a Search Ranking System
6 min read Search ranking is one of the most technically demanding ML system design problems. It combines information retrieval, multi-stage ranking, real-time Read article
AI/ML Interview Questions
ML System Design: Build a Fraud Detection System
5 min read Fraud detection is one of the highest-stakes ML applications — a false negative costs money, a false positive costs a Read article
AI/ML Interview Questions
ML System Design: Build a Spam Classifier
4 min read “Design a spam classifier” is one of the most common ML system design questions at Google, Meta, and Microsoft. Unlike Read article
AI/ML Interview Questions
How to Detect Model Drift in Production
6 min read Model drift is one of the most common production ML failure modes — and one of the most underestimated in Read article
AI/ML Interview Questions
NLP Interview Questions: Tokenization, Embeddings, and BERT
6 min read NLP interview questions appear across ML engineer, data scientist, and applied researcher roles at companies like Google, Meta, OpenAI, and Read article
AI/ML Interview Questions
Computer Vision Interview Questions: CNNs, Object Detection, and Transfer Learning
6 min read Computer vision is one of the most interview-tested areas of ML, especially at companies with physical products, autonomous systems, or Read article
AI/ML Interview Questions
How Does RLHF Work? Reinforcement Learning from Human Feedback Explained
5 min read RLHF (Reinforcement Learning from Human Feedback) is the technique that transforms a raw language model into an assistant — the Read article
System Design
Design an LLM Inference API
6 min read Design an LLM inference API — the service that accepts user prompts and returns model completions, like the OpenAI API, Read article
System Design
Design a Recommendation Engine (Netflix-style)
5 min read Design a recommendation engine like Netflix’s, Spotify’s Discover Weekly, or Amazon’s “Customers also bought.” Recommendation systems are one of the Read article
System Design
Design Google Docs: Collaborative Editing and CRDTs
5 min read Design a real-time collaborative document editor like Google Docs. This is one of the most technically nuanced system design problems Read article
AI/ML Interview Questions
Embeddings and Vector Databases Explained
6 min read Embeddings are the lingua franca of modern AI applications. They power semantic search, RAG, recommendation systems, duplicate detection, and anomaly Read article
AI/ML Interview Questions
What is RAG? Retrieval-Augmented Generation vs Fine-tuning
5 min read Retrieval-Augmented Generation (RAG) is one of the most widely deployed LLM patterns in production. Understanding when to use RAG versus Read article