Top 28
Prep plan
Updated weekly · Last refresh Aug 30

Digital Prospectors Software Engineer Interview Questions

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

28questions
~4htotal time
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1
CodingStart here. 8 questions · ~71 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysDigital Prospectors
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingDigital Prospectors
REST vs SOAP Web ServicesEasy

Compare REST and SOAP web services across architecture style, message format, transport, and common tradeoffs.

ArraysStringsDigital Prospectors
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2
Execution6 questions · ~53 min
Managing a Failed Project PivotHard

Describe how you handled a project that failed or required a major pivot, including stakeholder alignment, trade-offs, and risk management.

Rollback PlanTrade-offsRisk AssessmentDigital Prospectors
Designing an API for a FeatureMedium

Tests API design skills including contracts, versioning, error handling, and usability for downstream clients.

Trade-offsSuccess CriteriaScope ManagementDigital Prospectors
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3
Behavioral & Leadership11 questions · ~97 min
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4
More topics3 questions · ~26 min
Data Consistency in Distributed SystemsHard

Tests your knowledge of consistency models, transactions, and patterns to prevent data anomalies.

InfrastructureIdempotencyDependenciesDigital Prospectors
Scalable Social Media System DesignHard

Tests system design ability across scalability, data modeling, APIs, caching, and reliability for high-traffic apps.

ML RankingRetrievalRecommendation SystemsDigital Prospectors
Optimize Slow SQLHard

Tests query tuning skills including indexing, execution plans, and query rewrites.

SubqueriesJoinsData WranglingDigital Prospectors
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 28 questions plus 3 hands-on drills to finish this plan.