Top 35
Prep plan
Updated weekly · Last refresh Oct 17

Digital Harbor Software Engineer Interview Questions

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

35questions
~6htotal time
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1
CodingStart here. 18 questions · ~185 min
Merge Two Sorted ArraysEasy
Practice

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersDigital Harbor
Object-Oriented Programming PrinciplesMedium
Practice

Implement shape classes using abstraction, encapsulation, inheritance, and polymorphism to calculate total area.

Hash Tablesclean codeArraysDigital Harbor
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2
Execution5 questions · ~51 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 ManagementDigital Harbor
Estimating Project TimelinesMedium

Tests planning rigor, risk awareness, and ability to produce realistic delivery estimates.

Success CriteriaRoadmappingDigital Harbor
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3
SQL & Data Manipulation3 questions + 3 drills · ~61 min
4
Behavioral & Leadership7 questions · ~72 min
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5
More topics2 questions · ~21 min
Scala KnowledgeEasy

Assesses your familiarity with Scala and related ecosystem concepts.

experienceDigital Harbor
Design Patterns and App ClustersMedium

Evaluates your system design thinking and algorithmic problem-solving in clustered environments.

design patternsDigital Harbor
The finish line: interview-readyComplete all 35 questions plus 3 hands-on drills to finish this plan.