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Updated weekly · Last refresh Sep 22

Bca Europe Software Engineer Interview Questions

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

21questions
~3htotal time
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1
CodingStart here. 7 questions · ~69 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersBca Europe
Compare Stack and Queue OperationsEasy

Explain how stacks and queues differ in ordering, operations, implementations, and common use cases.

StackQueueArraysBca Europe
Programming Languages and RationaleEasy

Tests your technical fit and your ability to justify language choices based on constraints.

MathArraysStringsBca Europe
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2
Execution3 questions · ~29 min
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementBca Europe
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 ManagementBca Europe
End-to-End Performance DebuggingMedium

Tests end-to-end troubleshooting, measurement, and validation of performance fixes in a production web app.

Trade-offsSuccess CriteriaRisk AssessmentBca Europe

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3
Behavioral & Leadership9 questions · ~88 min
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4
More topics2 questions · ~20 min
SQL and Data ManipulationMedium

Evaluates your ability to apply SQL to real-world data and communicate technical decisions.

sqlBca Europe
Importance of Version ControlEasy

Tests your understanding of collaboration, traceability, and safe change management.

CommunicationOwnershipBca Europe
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice
Practice drill

Calculate the monthly spending trends for customers using window functions and joins.

The Home DepotAvisoHewlett Packard Enterprise
Database Trade-Offs for DetectionHard
Practice
Practice drill

Compare financial crime detection architectures using joined run metrics, aggregates, NULL handling, and ordered performance results.

fraud detectionTrade-offsdistributed databasesDeloitte
SQL Sort QueryEasy
Practice
Practice drill

Sort Thales Ground Master radar readings by signal strength in ascending order, placing unknown values last.

SortingsqlThales
The finish line: interview-readyComplete all 21 questions plus 3 hands-on drills to finish this plan.