Tazapay Senior DBA and Data Engineer Interview Questions and Answers

2hrs aptitude test was there

2 hrs coding test was there

GD was conducted and then i passed it

Round one consist of coding problems and there's a minimum criteria of solving 2 problems at least to clear this round

Q1. First question was a coding question, merge intervals leetcode
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Q2. Second question was again of leetcode, compare strings
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Machine coding round where SOLID principles are evaluated for real life use case

Machine coding round.

Q1. Algorithm to calculate top k flight from source to destinaton.
Ans. 
Use Dijkstra's algorithm to find the top k shortest paths from source to destination.
• Implement Dijkstra's algorithm to find the shortest paths from source to all other nodes.

• Store the top k shortest paths found in a priority queue or heap.

• Return the top k shortest paths as the result.
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Implement phone directory search system

Q1. How dis you tackle the one incident where you disagree with the team lead approach?
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Q2. How do you make sure to deliver on time when there are uncertainty?
Ans. 
To deliver on time despite uncertainty, I prioritize tasks, communicate effectively, set realistic deadlines, and have contingency plans.
• Prioritize tasks based on importance and impact on project timeline

• Communicate effectively with team members and stakeholders to address any uncertainties or roadblocks

• Set realistic deadlines taking into account potential delays or uncertainties

• Have contingency plans in place to mitig...read more
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There were 2 easy question 1 medium
Question were good but have weak test case.

This was project or lld round.
You just be aware of class and other stuff.

Q1. Discussion on project Asked graph coding question in real scenerio. Like asked what algorithm you will use for different real life problems
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Q1. Why engineering and what u know about cred
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Q1. Insights about company and candidate
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Q2. If I know Data structures or not?
Ans. 
Yes, I have knowledge of data structures.
• I have experience with common data structures like arrays, linked lists, stacks, queues, trees, and graphs.

• I understand the time and space complexity of different data structures and their operations.

• I have implemented data structures in various programming languages like C++, Java, and Python.

• For example, I have used a hash table to efficiently store and retrieve data in consta
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