💡 Demo Mode: Click info icons to learn what each setting drives in the interview
1 Probe Families — Style (Select up to 3)
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"Interesting, why not…"
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2 AI Persona
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Curious Senior Colleague
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Collaborative, asks "why" more than "what".
Probing, seeks edge cases & failure modes.
Product-Minded Engineer
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Focus on impact and trade-offs.
Theory-first, novel approaches.
3 Scenario Cards
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Cold start with sparse user-item interactions
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AI may ask: "You're building a GNN recommender. New users have only 2-3 interactions. Walk me through how you'd generate meaningful embeddings for them without enough neighborhood data."
Graph grows to 100M nodes, inference slows
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AI may ask: "Your GNN was serving predictions in 50ms. After scaling to 100M nodes, latency jumped to 500ms. What's your diagnosis process and how would you optimize this?"
Temporal drift in user preferences
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AI may ask: "Your GNN's performance drops 15% after 2 months in production. How would you detect this drift early and design an incremental retraining strategy?"
A/B test shows CTR drop despite better offline metrics
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AI may ask: "Interesting situation - your new GNN model has 20% better recall@10 offline, but A/B test shows 5% CTR drop. What factors would you investigate?"
Demo Configuration — Full version available to AIVIA Talent Core members