Revolut interview questions

Showing 1–8 of 8 results

• Build a Java restaurant table booking service that prevents double bookingsMedium

  A live Java coding exercise to build a restaurant table booking system while an AI assistant is allowed. It tests domain modeling, correct interval overlap logic for tables, a clear table allocation policy, thread safety, and how the candidate tests and stays in control of generated code under time pressure.

  RevolutSoftware EngineerSoftware Engineering FundamentalsOther
• Define Ultra success and detect suspicious transactionsHard

  This question evaluates a candidate's skills in product analytics, cohort and retention measurement, SQL-based metric design and segmentation, and rule-based fraud detection using transactional and activity data.

  RevolutData AnalystAnalytics & ExperimentationTechnical Screen
• Define Ultra success metrics and detect suspicious transactionsEasy

  This question evaluates a data scientist's ability to define primary, diagnostic, and guardrail metrics for a product launch and to design rule-based suspicious-transaction detection using available schema, emphasizing metric definition, defensible proxy selection, SQL-based data modeling, and financial-crime domain knowledge.

  RevolutData ScientistAnalytics & ExperimentationTechnical Screen
• Design automatic travel insurance enrollment triggered by customer locationMedium

  A system design exercise for a banking app that automatically enrolls opted-in customers in travel insurance when location signals show they are abroad. It tests requirements scoping, an event-driven pipeline, idempotent enrollment with an insurer, data modeling, scaling reads and writes, and failure handling.

  RevolutSoftware EngineerSystem DesignOther
• Design multi-region banking data synchronizationMedium

  This question evaluates competency in distributed systems and data consistency for financial applications, emphasizing replication, transaction correctness, conflict resolution, idempotency, and operational resilience.

  RevolutSoftware EngineerSystem DesignTechnical Screen
• Explain DB concurrency, debugging slowness, DDD and CQRSMedium

  This question evaluates understanding of database concurrency control and isolation anomalies, backend performance investigation and diagnostic skills, and knowledge of architectural concepts DDD and CQRS, testing competencies in transaction semantics, operational troubleshooting signals, and architectural trade-offs.

  RevolutSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Implement a random fixed-size load balancerMedium

  This question evaluates understanding of randomized selection, efficient in-memory data structures, and API/state management for a fixed-capacity load balancer that must support addNode, removeNode, and uniform random routing while handling duplicates, removals, and empty-state behavior.

  RevolutSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement a thread-safe money transferMedium

  This question evaluates a candidate's mastery of concurrent programming and data-integrity principles, focusing on thread safety, atomic state updates, and deadlock avoidance when transferring funds between shared accounts.

  RevolutSoftware EngineerCoding & AlgorithmsTechnical Screen