Sberbank Software Engineer Interview Questions

The questions to prepare for a Sberbank Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

Explain Java GC roots, reachability, generations, and how collection reclaims unused heap memory.

C++ Concurrency Primitives

Medium

Tests understanding of core concurrency primitives and when to use each safely.

concurrency

Sberbank

Java Streams and Optionals

Medium

Assesses your ability to write safer, readable Java while understanding performance implications.

java

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Caching for Reference Data

Medium

Evaluates your approach to caching design, invalidation, and latency reduction.

latencyperformancecaching

Sberbank

High Availability for Banking

Hard

Assesses your ability to design resilient systems suitable for banking-grade reliability.

distributed systemshigh availabilityfault tolerance

Sberbank

Service Discovery and Communication

Medium

Assesses your ability to design microservices networking and discovery reliably.

service discoveryCommunicationmicroservices

Sberbank

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Explain how to tune a slow PostgreSQL query that joins several large transaction tables using indexes, join strategy, and partitioning.

Database Index Trade-offs

Medium

Assesses your understanding of indexing costs and how they affect write-heavy workloads.

performancedatabase

Sberbank

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