Design an LLM-Based Coding Assistant

Company: Meta

Role: Machine Learning Engineer

Category: ML System Design

Difficulty: hard

Interview Round: Onsite

Quick Answer: This question evaluates a candidate's ability to design an end-to-end machine learning system, covering model architecture, training data pipelines, evaluation methodology, and inference serving under latency constraints. It tests ML system design skills at a practical, applied level, commonly used to assess how candidates balance competing requirements like speed, cost, and quality in production ML systems.