Luxoft Singapore Backend Engineer Interview Questions
The questions to prepare for a Luxoft Singapore Backend Engineer interview. Questions from real interview reports rank first. Updated weekly.
Explain how to implement a singleton in Java, including thread safety, lazy initialization, and common pitfalls.
Assesses data structure knowledge and performance implications in Java backend development.
Tests concurrency fundamentals and deadlock risk awareness in Java backend services.
Explain the ACID properties of database transactions and their importance.
Explain the four ACID properties and why they matter for reliable transaction processing in SQL systems.
Explain optimistic and pessimistic locking for banking transactions, including tradeoffs, failure handling, and when each approach is appropriate.
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Tests ability to apply design patterns to recurring backend architecture problems.
Tests troubleshooting and resolution approach for deadlocks in production systems.