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1X Technologies AS Interview Questions

The questions to prepare for 1X Technologies AS interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 7 questions · ~73 min
2
Machine Learning7 questions · ~73 min
3
Execution8 questions · ~83 min
Balancing Speed Quality and ScopeHard

Describe a time you had to choose between speed, quality, and scope, and how you aligned stakeholders around the trade-off.

Trade-offsRisk AssessmentScope Management1X Technologies AS
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4
System Design7 questions · ~73 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel Serving1X Technologies AS
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5
Metrics3 questions · ~31 min
Prioritize Operational Team Health KPIsEasy

Choose a practical KPI set for operational team health, balancing leading indicators, lagging indicators, and a clear KPI hierarchy.

KPIproject healthkpi hierarchy1X Technologies AS
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6
Generative AI & LLMs3 questions · ~31 min
Reduce Hallucinations in LLM AnswersEasy

Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.

HallucinationPrompt EngineeringRAG1X Technologies AS
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7
More topics15 questions · ~156 min
Model Performance EvaluationHard

Explain how to select metrics, validate predictions, and analyze errors when evaluating a machine learning model.

model performanceevaluation metricsPrecision1X Technologies AS
Database Trade-offs for Large DataMedium

Tests ability to choose storage systems based on workload, consistency, and performance needs.

InfrastructureData ModelingQuality1X Technologies AS
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