1 min lesson
The take-home / practical exercise
Say what this means in practice: "For senior and staff roles, expect a take-home."
Step 1 of 2
For senior and staff roles, expect a take-home: a realistic dataset plus an open prompt, scoped at roughly four to eight hours, followed by a short presentation. The likely shapes are “define a reliability metric for this product” or “diagnose this regression.” This is a general-industry inference, anchored in how Cursor uses substantial take-homes for senior roles.
Use this stage map to decide what evidence belongs in each round. Memorizing the order is the shallow version. For every stage, prepare one artifact, one story and one question that shows how you reason in the role.
The trap is treating it as a methods showcase. The panel is hiring someone who turns analysis into decisions, so lead with the decision your work enables and keep the rigor in an appendix.
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Full explanation
Take-Home, Decision-First
Interactive diagram. Step through it with the Next and Previous controls below, or Tab to a region to read its detail.
Reproducibility is the gate: if another person can't rerun your query and read your chart without you, the self-serve instinct the role wants isn't visible.
The decision your analysis supports.
The headline number and its direction.
One sentence on confidence.
Metric definition, stated to query.
Segmentation that earns its place.
Caveats and the confounds you saw.
Method detail and assumptions.
Reproducible code and queries.
What you'd do with more time.
A polished model that took twenty hours on a four-to-eight-hour prompt reads as a pace risk, not as diligence. Scope to the time-box, ship the decision and let the 'next steps' section carry your ambition. State your time budget so they grade what you chose to cut.
QTwo take-home submissions reach the same conclusion. One opens with the modeling approach; one opens with the recommended decision. Which advances and why?