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Updated weekly · Last refresh Sep 15

Playstation Network Research Scientist Interview Questions

The questions to prepare for a Playstation Network Research Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
Generative AI & LLMsStart here. 3 questions · ~27 min
Explain Attention in TransformersMedium

Explain how attention lets transformer models weigh relationships between tokens across a sequence.

attentioncontext windowtransformersPlaystation Network
Generate a Hint from Secret InputHard

Evaluates ability to design and reason about a generative approach for constrained hint generation.

Playstation Network
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2
Machine Learning8 questions · ~73 min
Vanishing Gradients in Deep NetworksMedium

Explain vanishing gradients in deep networks and how residual connections, batch normalization, and activation choice improve training.

Neural NetworksDeep LearningGradient DescentPlaystation Network
Explain Your AI ProjectMedium

Assesses clarity of technical storytelling and evidence of impact from AI work.

AIPlaystation Network
Self-Supervised and CompressionHard

Evaluates understanding of training methods and techniques to reduce model size for production.

Playstation Network
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3
Behavioral & Leadership17 questions · ~155 min
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4
More topics3 questions · ~27 min
Maximum Path Sum in TreeMedium
Practice

Use DFS tree dynamic programming to compute the maximum path sum across any parent-child path in a binary tree.

RecursionTreesGraphsPlaystation Network
Reproducibility on Distributed GPUsMedium

Tests rigor in experiment tracking, determinism, and reproducible research workflows.

reproducibilityOwnershipcollaborationPlaystation Network
Directed Graph Cycle DetectionMedium
Practice

Determine whether a directed graph contains a cycle using DFS or topological sorting.

RecursionGraphsPlaystation Network

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