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 Algorithms 9 Deep Learning 9 System Design 7 Culture Fit 4 Hardware Architecture 3 Deep Learning Optimization 3 Distributed Systems 2 Data Structures 2

Machine Learning Engineer • Coding • medium

Implement a sparse matrix multiplication algorithm. Assume the matrices are too large to fit into memory in a dense format.

#Arrays #Math #Data Structures

Practice

Machine Learning Engineer • Coding • hard

Given an array of k linked-lists, each linked-list is sorted in ascending order. Merge all the linked-lists into one sorted linked-list and return it.

#Linked Lists #Heaps #Divide and Conquer

Practice

Machine Learning Engineer • Coding • medium

Given a Directed Acyclic Graph (DAG) representing a neural network computation graph, write an algorithm to find the longest path (critical path) from the input node to the output node.

#Graphs #Dynamic Programming #Topological Sort

Practice

Machine Learning Engineer • Coding • medium

Implement an autocomplete system using a Trie data structure. Include methods to insert a word and return all words that start with a given prefix.

#Trees #Tries #Strings

Practice

Machine Learning Engineer • Coding • hard

Write a function to perform Matrix Multiplication. Optimize it for cache locality using tiling/blocking.

#Matrix Operations #Cache Optimization #C++

Practice

Machine Learning Engineer • Coding • medium

Given a 2D grid map of '1's (land) and '0's (water), count the number of islands. (Context: Autonomous Vehicle occupancy grid analysis).

#Graph Theory #DFS #BFS

Practice

Machine Learning Engineer • Coding • medium

Find the Kth largest element in an unsorted array. Optimize for average time complexity.

#QuickSelect #Heap #Sorting

Practice

Machine Learning Engineer • Coding • hard

Merge K sorted linked lists into one sorted linked list.

#Linked Lists #Divide and Conquer #Heap

Practice

Machine Learning Engineer • Coding • medium

Find the Lowest Common Ancestor (LCA) of two nodes in a Binary Tree.

#Trees #Recursion #DFS

Practice

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Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

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

Simulate

Unwritten Rules

Think Out Loud

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

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