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Updated weekly · Last refresh Oct 17

Johns Hopkins University Applied Physics Laboratory Software Engineer Interview Questions

The questions to prepare for a Johns Hopkins University Applied Physics Laboratory Software Engineer interview. Questions from real interview reports rank first. Updated daily.

40questions
~6htotal time
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1
CodingStart here. 4 questions · ~34 min
Object Oriented Programming DefinitionMedium
Practice

Demonstrate object-oriented programming with abstraction, inheritance, encapsulation, and polymorphic area calculations.

Codingabstractioncode structureJohns Hopkins University Applied Physics Laboratory
Big O for Removing First Linked List ItemMedium

Tests your understanding of algorithmic complexity for linked list operations.

Data StructuresJohns Hopkins University Applied Physics Laboratory
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2
System Design6 questions · ~51 min
Missile Impact at Mach 5Hard

Evaluates your systems engineering approach to meeting extreme performance requirements.

Johns Hopkins University Applied Physics Laboratory
Scalable Distributed Architecture FactorsHard

Assesses your understanding of distributed systems design trade-offs and scalability drivers.

system architecturedistributed systemsscalabilityJohns Hopkins University Applied Physics Laboratory
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3
Technical Fundamentals3 questions · ~26 min
Types of OrbitsMedium

Assesses your technical knowledge and ability to explain complex concepts clearly.

technical knowledgeJohns Hopkins University Applied Physics Laboratory
Pulse Wave Frequency DomainMedium

Evaluates your signal processing intuition and ability to reason about frequency content.

technical knowledgeJohns Hopkins University Applied Physics Laboratory
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4
Behavioral & Leadership25 questions · ~213 min
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5
More topics2 questions · ~17 min
SQL Server VARCHAR vs NVARCHAREasy

Tests your SQL Server knowledge of string storage, encoding, and behavior.

sqlJohns Hopkins University Applied Physics Laboratory
Using SQL Server PARTITIONMedium

Tests your SQL Server windowing and partitioning knowledge for analytical queries.

Window FunctionssqlJohns Hopkins University Applied Physics Laboratory
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 40 questions plus 3 hands-on drills to finish this plan.