Deliveroo Software Engineer Interview Questions
The questions to prepare for a Deliveroo Software Engineer interview. Questions from real interview reports rank first. Updated daily.
Group binary-tree nodes by horizontal distance using breadth-first traversal and return columns from left to right.
DeliverooProcess REST API, testing, problem-solving, and microservices MCQs within a time budget and aggregate the results.
DeliverooExplain SQL join types, their row-matching behavior, and when each is appropriate.
DeliverooExplain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.
DeliverooImplement PostgreSQL session generation, renewal, and active-session counting with expiry and revocation checks.
DeliverooJoin Whatnot users and orders to calculate average order value per user region using GROUP BY.
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Design a distributed API rate limiter with reliable enforcement, low latency, adaptive abuse detection, and operational safeguards.
DeliverooEvaluates your production debugging approach, diagnostics, and mitigation strategies for CPU hotspots.
DeliverooAssesses core engineering fundamentals for building and validating microservice systems.
DeliverooAssesses networking fundamentals and ability to reason about routing and automation.
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