Top 20
Prep plan
Updated weekly · Last refresh Aug 30

PRGX Global AI Engineer Interview Questions

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

20questions
~3htotal time
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1
CodingStart here. 5 questions · ~50 min
Vector Search from ScratchMedium
Practice

Rank PRGX Global spend vectors by cosine similarity and return the top k matching records.

Vector SearchimplementationPRGX Global
Palindrome CheckEasy
Practice

Use two pointers to determine whether a PowerStore asset label reads identically in reverse.

ArraysStringsTwo PointersPRGX Global
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2
Generative AI & LLMs6 questions · ~59 min
Cut LLM Latency Below 1sHard

Reduce LLM response latency from 3 seconds to under 1 second while preserving acceptable answer quality and controlling hallucinations.

PRGX Global
Fix Hallucinations in RAG AnswersEasy

Reduce hallucinations in a RAG system even when retrieval is already correct, using grounding, verification, and evaluation.

PRGX Global
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3
System Design4 questions · ~40 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingPRGX Global
Embeddings and Vector Search SystemHard

Evaluates your system design skills for building embedding pipelines and fast retrieval.

Vector Searchsystem designPRGX Global
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4
Behavioral & Leadership3 questions · ~30 min
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5
More topics2 questions · ~20 min
Monitor Production Model PerformanceHard

Approach for monitoring a model in production and spotting drift, threshold issues, and calibration loss.

PrecisionAccuracyRecallPRGX Global
Context Window Handling for ReportsMedium

Assesses your strategies for retrieving and structuring long documents for LLM consumption.

context windowPRGX Global
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