Dream11 Backend Engineer Interview Questions
The questions to prepare for a Dream11 Backend Engineer interview. Questions from real interview reports rank first. Updated weekly.
Explain how to analyze an algorithm’s time and space complexity and justify the result from the code structure.
Evaluates math and string/number handling skills for recurring decimal detection and formatting.
Tests dynamic programming skills for grid path counting with constraints.
Assesses strategies for preventing database contention and sustaining backend performance.
Tests your ability to optimize MySQL queries for low latency and high throughput.
Rank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.
Balyasny Asset ManagementUse RANK() and grouped revenue to find ServiceTitan's top three service categories in each region.
ServiceTitanFind the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.
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Assesses your understanding of write-heavy database design choices and their impacts.
Assesses your ability to explain end-to-end backend architecture and design decisions.
Evaluates system design for scaling and reliability under extreme traffic spikes.