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Updated weekly · Last refresh Aug 30

Bastian Solutions Software Engineer Interview Questions

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

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1
CodingStart here. 4 questions · ~34 min
Reverse a String in PythonEasy
Practice

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

StringsfunctionspythonBastian Solutions
Language Proficiency and Applied ImpactEasy

Explain which programming languages you know best, why, and how you used them to deliver maintainable and performant software.

Hash TablesStringsSortingBastian Solutions
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2
Execution8 questions · ~67 min
Recover a Slipping ProjectMedium

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentBastian Solutions
Requirements and Success CriteriaMedium

Tests your requirements discipline and ability to define measurable outcomes.

Success CriteriaRoadmappingScope ManagementBastian Solutions
Scalable Warehouse Inventory SystemHard

Tests system design skills for scalable inventory management in logistics and production environments.

Trade-offsSuccess CriteriaRoadmappingBastian Solutions
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3
SQL & Data Manipulation4 questions + 3 drills · ~64 min
Inner vs Outer JoinEasy

Tests understanding of SQL join behavior and how it affects result sets.

SQL & Data ManipulationJoinsBastian Solutions
SQL Meaning and UsageEasy

Tests your understanding of SQL concepts and how you apply them in software work.

basicssqlBastian Solutions
SQL Basics and Query FundamentalsMedium

Assesses your practical SQL fundamentals alongside your programming experience.

sqlprogramming languagesBastian Solutions
Top Earners via Table JoinMedium
Practice
Practice drill

Rank Motorola Solutions employees by total earnings using a LEFT JOIN, aggregation, COALESCE, and ROW_NUMBER.

JoinssqlMotorola SolutionsMotorola
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
Retention Cohorts With Complex JoinsHard
Practice
Practice drill

Build twelve-month Twitch viewer retention cohorts with CTEs, joins, date offsets, and conditional aggregation.

JoinssqlCohort AnalysisTwitch
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4
Behavioral & Leadership34 questions · ~285 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.