Top 28
Prep plan
Updated weekly · Last refresh Aug 30

Invoca AI Engineer Interview Questions

The questions to prepare for a Invoca AI Engineer interview. Questions from real interview reports rank first. Updated weekly.

28questions
~4htotal time
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1
Generative AI & LLMsStart here. 10 questions · ~81 min
Reduce Hallucinations in LLM AnswersEasy

Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.

HallucinationPrompt EngineeringRAGInvoca
Approach LLM Fine-Tuning for TasksMedium

Explain a practical approach to fine-tuning an LLM for a specific task, including data, evaluation, and hallucination risks.

Prompt EngineeringLLM EvaluationFine-TuningInvoca
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2
System Design4 questions · ~33 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingInvoca
Design a Real-Time ML Feature StoreHard

Design a shared feature store for training and low-latency inference across many ML systems with strict freshness and consistency needs.

Feature StoreFeature DriftModel ServingInvoca
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3
Coding3 questions · ~24 min
Async Worker Pool for SentimentHard

Tests concurrency skills for scalable stream processing tasks.

QueuefunctionsconcurrencyInvoca
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4
Behavioral & Leadership6 questions · ~49 min
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5
More topics5 questions · ~41 min
Optimize CPU-GPU Inference LoopHard

Tests performance optimization for deep learning inference with attention to CPU-GPU transfer bottlenecks.

Feature Engineeringinference optimizationDeep LearningInvoca
Production MLOps Model ReleasesMedium

Tests safe model deployment practices including versioning, rollback, and canary/traffic splitting.

Invoca
Production Metrics for Speech-to-TextMedium

Tests metric selection and thresholding for production model quality and operational readiness.

Evaluation TechniquesThreshold TuningModel MetricsInvoca
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The finish line: interview-readyComplete all 28 questions to finish this plan.