Statkraft Software Engineer Interview Questions

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

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

Python Memory Management and GC

Medium

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

memory managementbasicspython

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Client-Side API Rate Limiter

Medium

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

network requestsloopscaching

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Python Decorators and Timing Wrapper

Medium

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

functionsdecoratorspython

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

Daily Trading Reconciliation Architecture

Hard

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

APIsReconciliationBatch Processing

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Concurrent Migrations and Pooling

Medium

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

concurrency

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Balancing Technical Debt and Deadline

Medium

Tests prioritization under pressure, technical judgment, and stakeholder management when technical debt threatens a client deadline.

client deadlineConflict Resolutiontechnical debt

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