Preply Software Engineer Interview Questions
The questions to prepare for a Preply Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Compute the nth Fibonacci number modulo a given value using fast doubling in O(log n) time.
Explain a safe, incremental strategy to refactor legacy code with no tests by first capturing current behavior and reducing change risk.
Assesses your depth of understanding of the tools and language features you rely on.
Count 0 and 1 sensor readings by Bosch building using a CTE, LEFT JOIN, and conditional aggregation.
Bosch Building TechnologiesAssesses reliability, scalability, and delivery guarantees for user notifications.
Assesses your end-to-end system design skills for a marketplace-style product.
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Evaluates your approach to scheduling, reliability, and operational concerns for background jobs.
Tests your ability to write correct SQL under time pressure.
Assesses your execution planning, prioritization, and data management strategy across an app.
Use a CTE, joins, and distinct aggregates to calculate Meta Logistics bookstore payment metrics.
Meta LogisticsRank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.
Balyasny Asset Management