Expedia interview questions

Showing 1–12 of 12 results

• Audit and onboard unfamiliar datasets safelyMedium

  This question evaluates a data scientist's competency in dataset discovery, schema and key verification, profiling for distributions/missingness/timezones/currencies, duplicate and join-inflation detection, event-sequence validation, accurate metric computation, and the design of data-quality tests/data contracts within SQL/Python workflows.

  ExpediaData ScientistData Manipulation (SQL/Python)Onsite
• Choose KPIs and prove impact with experimentsHard

  This question evaluates a data scientist's competency in KPI engineering, causal inference, experiment design, metric validation, and multi-touch attribution within the Analytics & Experimentation domain and is focused on profit-oriented search ranking.

  ExpediaData ScientistAnalytics & ExperimentationOnsite
• Consolidate Three Partner APIs into a Query ServiceMedium

  This problem tests your ability to design a robust middleware layer that abstracts heterogeneous downstream APIs into a unified, reliable, and performant service.

  ExpediaSoftware EngineerSystem DesignOnsite
• Describe when you distrusted a colleagueHard

  This question evaluates interpersonal judgment, trust assessment, conflict resolution, accountability, and leadership skills in a software engineering context, categorized under Behavioral & Leadership.

  ExpediaSoftware EngineerBehavioral & LeadershipTechnical Screen
• Design a listing connectivity ingestion serviceHard

  This question evaluates a candidate's ability to design scalable, reliable REST APIs and distributed ingestion pipelines, testing competencies in API specification, idempotency, authentication/authorization, asynchronous processing, observability, and integration with downstream validation services.

  ExpediaSoftware EngineerSystem DesignTechnical Screen
• Design a natural-disaster notification systemHard

  This problem tests your ability to design a high-throughput, geo-aware notification system that must deliver time-sensitive alerts to users based on their current or planned location during natural disasters.

  ExpediaSoftware EngineerSystem DesignOnsite
• Design an employee directory with reporting queriesHard

  This question tests the ability to design a scalable hierarchical data structure, select appropriate storage backends for recursive queries, and handle write-heavy concurrent updates to organizational charts.

  ExpediaSoftware EngineerSystem DesignOnsite
• Find a Canonical Shortest Round Trip Through FlightsMedium

  Find the shortest directed round trip starting and ending at a given airport, breaking ties lexicographically.

  ExpediaSoftware EngineerCoding & AlgorithmsOnsite
• How do you learn new knowledge quickly?Hard

  This question evaluates learning agility, self-directed acquisition of new technologies, and reflective leadership through concrete examples of challenging projects, testing behavioral and leadership competencies for a software engineer role.

  ExpediaSoftware EngineerBehavioral & LeadershipOnsite
• Maximum Sum SkylineHard

  This problem tests your ability to optimize search spaces and use stack-based structures to maintain monotonic properties under specific geometric constraints.

  ExpediaSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve three interview coding problemsHard

  This multi-part question evaluates string manipulation, combinatorial counting, and constrained enumeration skills through sequence generation, palindromic-anagram substring counting, and wildcard digit-sum completion tasks.

  ExpediaSoftware EngineerCoding & AlgorithmsTechnical Screen
• Validate and monitor ranking model end-to-endHard

  This question evaluates a data scientist's mastery of learning-to-rank concepts, offline evaluation and metric design, position-bias correction, diagnostic analysis, deployment safeguards, and alignment of surrogate objectives with business KPIs for hotel search ranking.

  ExpediaData ScientistMachine LearningOnsite