Katkat
Technical Screen

Applied AI Tech Screen with an Async Refund Debugging Question and Rapid-Fire LLM Questions

MercorSoftware Engineer · Technical Screen · Sep 2026

Today I had a tech screen for Mercor's Applied AI role. The debugging question: The other rapid-fire questions: What is idempotency, and why do we need idempotent operations? What is RAG, and how is it related to fine-tuning? How would you handle context limit exceeded in an LLM application? LLM calls are usually stateless. How would you make an LLM application stateful? How would you handle prom…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.