DraftKings Software Engineer Interview Questions

The questions to prepare for a DraftKings Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

One-Hour Coding Deep Dive

Hard

Tests deeper reasoning, iterative improvement, and handling complexity beyond a basic coding round.

Hash TablesArraysSorting

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Reverse a Linked List

Medium

Tests data structure manipulation and correctness across iterative and recursive approaches.

RecursionLinked Listspointers

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Microservices for Online Betting

Hard

Tests ability to design scalable services, boundaries, and operational considerations for real-money betting products.

Trade-offsRisk AssessmentScope Management

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SQL vs NoSQL Trade-offs

Medium

Tests data modeling judgment, consistency needs, and performance trade-offs for production workloads.

Trade-offsRisk AssessmentScope Management

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Live Sports Data Streaming

Hard

Tests distributed systems design for low-latency ingestion, reliability, and downstream consumption.

InfrastructureStream ProcessingQuality

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State Management in React

Medium

Tests frontend architecture choices for predictable UI behavior and maintainability.

reactstate management

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