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Updated weekly · Last refresh Aug 30

BCU Software Engineer Interview Questions

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

30questions
~5htotal time
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1
CodingStart here. 7 questions · ~65 min
Checking String AnagramsEasy
Practice

Determine whether two Flyways strings are anagrams using a character-frequency hash map in linear time.

Hash TablesStringsSortingBCU
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonBCU
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingBCU
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2
Execution9 questions · ~83 min
Design an API Under ConstraintsMedium

Design an API by balancing usability, performance, versioning, and operational risk under real product constraints.

Trade-offsRisk AssessmentScope ManagementBCU
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 ManagementBCU
Testing and Validation ApproachMedium

Tests your testing strategy, quality practices, and confidence in releases.

Trade-offsSuccess CriteriaRisk AssessmentBCU
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3
Behavioral & Leadership13 questions · ~120 min
Leading a Team Through ConflictMedium

Tests conflict resolution leadership: how you diagnose root causes, align stakeholders, and drive a measurable outcome under tension.

Conflict ResolutionLeadershipcollaborationBCU
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4
More topics1 question · ~9 min
Handling Missing Values in DataMedium

Tests data cleaning and statistical reasoning for robust analysis.

Data WranglingCase WhenAggregationsBCU
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Top N QueryEasy
Practice
Practice drill

Return the 10 most-viewed active California physician profiles using WHERE, ORDER BY, and LIMIT.

RankingSortingAggregationsDoximity
Flag Invalid Dashboard Revenue RowsEasy
Practice
Practice drill

Use GROUP BY and conditional aggregation to count data quality issues in a single NVIDIA dashboard source table.

Data WranglingCase WhenAggregationsNVIDIA
Clean Duplicate Transactions and Null CostsMedium
Practice
Practice drill

Deduplicate transactions and impute null costs before reporting customer spend.

Data WranglingCase WhenAggregationsApptio
The finish line: interview-readyComplete all 30 questions plus 3 hands-on drills to finish this plan.