Occidental Petroleum AI Engineer Interview Questions
The questions to prepare for a Occidental Petroleum AI Engineer interview. Questions from real interview reports rank first. Updated weekly.
Implement an LRU cache using a hash map and doubly linked list to support O(1) get and put operations.
Occidental PetroleumUse a hash map to find two array elements that sum to a target in O(n) time.
Occidental PetroleumDesign an LLM serving system that balances latency, cost, scalability, and safety for production traffic.
Occidental PetroleumDesign a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.
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Choose the right classification metrics, and explain when precision, recall, and F1 score matter most.
Occidental PetroleumExplain how to choose, transform, and validate features for a predictive model using a structured ML workflow.
Occidental PetroleumDesign a grounded multi-agent assistant that plans, retrieves, and synthesizes answers under strict latency, cost, and hallucination limits.
Occidental PetroleumExplain how RAG combines retrieval and generation to produce grounded answers from a document collection.
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