Most Asked in Recent Interviews
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Interview pattern
Amazon Data Engineer (Java Backend)
- Round 1SQL + Java Backend + Spark
- Round 2System Design + Optimization
- Round 3Behavioral + Project Deep Dive
- Round 4Managerial Discussion
From public Amazon candidate reports — representative, not confidential.
Amazon Data Engineer (Java Backend) Interview Questions (2026)
CODING: Find the longest substring without repeating characters
Representative interview simulation — practice with AI feedback on InterviewForge AI.
TECHNICAL: Explain distributed tracing and debugging a cross-service latency spike
Representative interview simulation — practice with AI feedback on InterviewForge AI.
CODING: Merge intervals and discuss time/space complexity
Representative interview simulation — practice with AI feedback on InterviewForge AI.
TECHNICAL: Explain CAP theorem with a real outage you handled
Representative interview simulation — practice with AI feedback on InterviewForge AI.
TECHNICAL: Walk through Spring Boot request lifecycle and error handling
Representative interview simulation — practice with AI feedback on InterviewForge AI.
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Find the longest substring without repeating characters
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