Nvidia
Hardware and AI software leader powering the global generative AI revolution.
4 Rounds
~25 Days
Very Hard
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
Data Engineer
•
Coding
•
medium
Given an array of GPU job execution intervals where intervals[i] = [start_i, end_i], merge all overlapping intervals and return an array of the non-overlapping intervals that cover all the jobs.
#Arrays
#Sorting
#Python
Data Engineer
•
Coding
•
medium
Design and implement a Least Recently Used (LRU) cache in Python. This is often used in our data access layers to cache frequently queried model metadata.
#Data Structures
#Hash Map
#Doubly Linked List
Data Engineer
•
Coding
•
medium
Given a massive log file of error codes generated by our DGX systems that cannot fit into memory, write a Python script to find the top K most frequent error codes.
#Python
#Heaps
#File I/O
#Memory Management
Data Engineer
•
Coding
•
medium
Given a list of intervals representing GPU job execution times (start_time, end_time), write a Python function to merge all overlapping intervals.
#Python
#Arrays
#Sorting
Data Engineer
•
Coding
•
medium
Given a massive log file containing billions of error codes, write a Python program to find the top K most frequent error codes. The file is too large to fit in memory.
#Python
#Heaps
#External Sorting
#Generators
Data Engineer
•
Coding
•
hard
Implement an LRU (Least Recently Used) Cache in Python. This is often used to cache database lookups in our ingestion layer.
#Python
#Data Structures
#Hash Maps
#Linked Lists
Data Engineer
•
Coding
•
medium
Write a Python function to implement a Rate Limiter using the Token Bucket algorithm. This is used to throttle API requests to our internal data services.
#Python
#System Design Concepts
#Concurrency
Data Engineer
•
Coding
•
hard
Given a list of task dependencies (e.g., Task A must finish before Task B), write a Python function to determine a valid execution order for the tasks. If there is a circular dependency, return an error.
#Graphs
#Topological Sort
#Python
Difficulty Radar
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Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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