Engineering
Training a Custom Coding Model That Inherently Introduces Challenges
How we fine-tuned Code Llama with a novel Challenge Layer on top of the MLP to produce code that contains realistic, calibrated defects for interview evaluation.
Engineering
Building an AI-Native Interview Platform from Scratch
How we designed Hyrin's architecture to evaluate developers in the age of AI-assisted coding, from invisible challenges to real-time session analysis.
Product
Designing Invisible Challenges That Actually Work
The art and science behind Hyrin's challenge templates - how we create defects that are subtle enough to be realistic but significant enough to be meaningful.