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Updated weekly · Last refresh Sep 23

Statkraft Software Engineer Interview Questions

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

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1
CodingStart here. 8 questions · ~74 min
Client-Side API Rate LimiterMedium
Practice

Use a queue to enforce a sliding-window client-side API rate limiter over request timestamps.

network requestsloopscachingStatkraft
Python Memory Management and GCMedium

Explain Python reference counting, cyclic garbage collection, and how memory is reclaimed.

memory managementbasicspythonStatkraft
Python Decorators and Timing WrapperMedium

Explain how Python decorators wrap functions and implement a custom decorator that logs execution time.

functionsdecoratorspythonStatkraft
Deep Copy vs Shallow CopyEasy

Explain shallow vs deep copy in Python, how nested objects behave, and when each approach is appropriate.

memory managementbasicspythonStatkraft
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2
Pipelines4 questions · ~37 min
Consistency Across Service PipelinesMedium

Approach for keeping pipeline outputs consistent when multiple microservices publish overlapping, delayed, or duplicate data.

system designdata consistencymicroservicesStatkraft
Daily Trading Reconciliation ArchitectureHard

Tests system architecture for reliable ingestion, normalization, and reconciliation across external APIs.

APIsReconciliationBatch ProcessingStatkraft
Concurrent Migrations and PoolingMedium

Tests designing safe migrations and efficient connection pooling under high concurrency.

concurrencyStatkraft
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3
Behavioral & Leadership12 questions · ~111 min
Debugging an Undocumented Legacy SystemMedium

Tests ownership and problem-solving under ambiguity in a poorly documented legacy system, including how the candidate leaves lasting improvements behind.

legacy systemsDebuggingdocumentationStatkraft
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