HackerRank open sourced its ATS. My resume scored 90/100. Oh wait 74. No – 88/100. Actually 83/100.
Summary
The post analyzes HackerRank's open-source ATS 'hiring-agent', examining how an LLM-based resume scoring pipeline works and what contributes to the score. It highlights non-determinism across runs and models, and discusses reliability and potential bias in AI-driven screening. The author cautions HR teams against over-relying on automated resume screening tools.