Real questions from top companies · hard
How would you model hierarchical data in a relational database?
Integrating an API with a Database - Steps
Mapper and Reducer design for solving Two-Sum
What are your strengths, and how do they align with the Data Engineer role?
What is your data volume?
Count occurrences of elements in a list of tuples using Spark RDDs
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.
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?
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?
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