Technical proficiency
Probe modelling depth on heavily imbalanced data, plus command of typologies and the sanctions and reporting rules the models serve.
Evidence to listen for
- Command of the languages, frameworks, and data tools the role actually uses
- Understands correctness, performance, and failure modes, not just syntax
- Has opinions on testing and can justify them
- Reads and reasons about code they did not write
Five-point scoring guide
Cannot work independently; fundamentals are missing.
Weak fundamentals; output needs heavy review.
Competent for the role; needs guidance on complex or unfamiliar work.
Strong practitioner; handles hard problems with little guidance.
Strong on imbalanced-data modelling and fluent in the typologies and reporting rules the models exist to serve.