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Updated weekly · Last refresh Oct 17

EPAM Systems AI Engineer Interview Questions

The questions to prepare for a EPAM Systems AI Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
System DesignStart here. 11 questions · ~110 min
LangGraph Concepts: ReAct and ReducersHard

Explain how LangGraph models ReAct loops and uses reducers to safely update shared graph state.

agent workflowsiterative reasoningarchitecture patternsEPAM Systems
Adaptive Retrieval Based on Query ComplexityHard

Design a retrieval system that varies search depth, breadth, and method according to query complexity.

inference latencyml inferencecomputational costEPAM Systems
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2
Coding9 questions · ~90 min
Core Database and Async FundamentalsHard
Practice
Recently asked

Simulate asynchronous task completion using an ID index, dependency counts, and a min-heap.

Data StructuresasynchronousdatabasesEPAM Systems
Explain LEGB in PythonMedium
Practice
Recently asked

Implement a Python function that demonstrates local, enclosing, global, and built-in name resolution.

CodingfunctionsbasicsEPAM Systems
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3
Generative AI & LLMs12 questions · ~120 min
Embeddings and Vector SearchMedium
Recently asked

Tests your ability to explain embedding pipelines and retrieval mechanics used in RAG systems.

Vector SearchRetrievalEPAM Systems
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4
Model Evaluation6 questions · ~60 min
Prompt Change EvaluationMedium
Recently asked

Tests your ability to run controlled evaluations and guard against regressions when iterating prompts.

Evaluation TechniquesPrompt EngineeringLLM EvaluationEPAM Systems
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5
Behavioral & Leadership7 questions · ~70 min
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6
More topics2 questions · ~20 min
Explain Transformer Architecture and Attention MechanismsHard
Recently asked

Discuss the architecture of Transformers, focusing on self-attention and its impact on NLP tasks.

Neural NetworksLanguage ModelsDeep LearningEPAM Systems
SOLID for Modular AI AppsMedium
Recently asked

Tests your software design judgment for maintainable, testable AI systems at EPAM-scale projects.

code qualitysoftware experiencetechnical fundamentalsEPAM Systems
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