Brave AI Lab Data Engineer Interview Questions and Answers

You are given an integer list coins representing coins of different denominations and an integer amount representing a total amount of money.
Return the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any combination of the coins, return {}.
You may assume that you have an infinite number of each kind of coin.

Example 1: Input: coins = [1, 5, 6, 9, 15], amount = 31
Output: {15:2, 1:1}

Example 2: Input: coins = [1, 5, 6, 9, 15], amount = 100
Output: {15:6, 9:1, 1:1}

Q1. Tell me about yourself
Ans. 
I am a data engineer with experience in designing and implementing data pipelines for large-scale projects.
• Experienced in building and optimizing data pipelines using tools like Apache Spark and Hadoop

• Proficient in programming languages like Python and SQL

• Skilled in data modeling and database design

• Familiar with cloud platforms like AWS and GCP

• Strong problem-solving and analytical skills

• Effective communicator and team ...read more
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Q2. Salary and working part
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