Nvidia

Hardware and AI software leader powering the global generative AI revolution.

4 Rounds ~25 Days Very Hard

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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

All Roles Cloud Engineer 3 Data Engineer 8 Data Scientist 8 Machine Learning Engineer 9 Software Engineer 8

All Topics Deep Learning 9 Algorithms 8 System Design 7 Machine Learning 6 Culture Fit 5 SQL 5 Statistics 4 Model Optimization 1

Data Scientist • Coding • medium

Given a string, write a function to find the length of the longest substring without repeating characters.

#Strings #Sliding Window #Hash Map

Practice

Data Scientist • Coding • hard

Given a Directed Acyclic Graph (DAG) representing dependencies of CUDA kernels, write a function to find the critical path (the path with the longest total execution time).

#Graphs #Dynamic Programming #Topological Sort

Practice

Data Scientist • Coding • medium

Given an M x N matrix representing a batch of images, write a function to perform a 2D convolution with a given K x K kernel without using external libraries like SciPy or PyTorch.

#Arrays #Matrix Manipulation #Computer Vision

Practice

Data Scientist • Coding • hard

Write an algorithm to schedule a computational Directed Acyclic Graph (DAG) representing neural network layers across multiple GPUs to minimize cross-device communication overhead.

#Graphs #Topological Sort #Dynamic Programming

Practice

Data Scientist • Coding • medium

Implement a sliding window algorithm to find the maximum GPU temperature over a rolling 5-minute window given a continuous stream of timestamped telemetry data.

#Sliding Window #Queues #Time Series

Practice

Data Scientist • Coding • easy

Given an array of integers representing GPU memory allocations in MB, find the indices of two allocations that sum up exactly to a specific target memory limit.

#Hash Maps #Arrays

Practice

Data Scientist • Coding • medium

Implement a Trie (Prefix Tree) data structure to efficiently store and search through millions of generated text tokens from an LLM.

#Trees #Trie #Strings

Practice

Data Scientist • Coding • medium

Write a Python function to simulate a Monte Carlo estimation of Pi. Then, explain and write the vectorized version using NumPy or CuPy.

#Simulation #Vectorization #Math

Practice

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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