Real questions from top companies Β· hard
Design a solution to generate unique device names from a list of IoT devices.
Design an algorithm to merge k sorted lists of video streaming data.
Difference between Stack vs Queue
Explain your approach to designing a scalable customer loyalty program data platform.
Given 1TB of a file, how to check word count?
How does your tech stack support scalability and analytics?
How would you handle memory constraints when processing a large dataset in Python?
How would you process a 10TB dataset on a single machine in Python?
Implement a Python function to count unique words from a file and write them to another file.
Implement a recursive algorithm to find the nth Fibonacci number.
Implement an algorithm to find the longest ordered subsequence of vowels in a given string.
Multiprocessing in Python - explain with example
Optimize a function to calculate moving averages of user engagement.
Partitioning a Linked List based on a value
Programming languages and their application in past projects.
Solve the Dutch National Flag problem in one pass. How would you handle it?
Cloud Architecture - explain
Consolidate hotel reviews and create a dashboard. Design a data model for the reviews.
Create Spark Session, read CSV, join, and write as table. Provide example code.
Data Warehouse Design from scratch
Type or paste your answer to any of these questions and our AI Coach scores it, highlights gaps, and rewrites it at FAANG quality. Free to try.