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Updated weekly · Last refresh Oct 17

Ontic Software Engineer Interview Questions

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

32questions
~4htotal time
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1
CodingStart here. 15 questions · ~121 min
DSA, MongoDB, and Chess LLDHard

Evaluates low-level design skills and practical database modeling with MongoDB.

designOntic
Adjust Random Output ProbabilitiesHard

Tests reasoning about probability transformations and algorithmic implementation.

probabilityAlgorithmsOntic
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2
Security & Infrastructure3 questions · ~24 min
Browser Steps for Google.comMedium

Evaluates understanding of web request flow from URL entry to page rendering.

Ontic
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3
Execution3 questions · ~24 min
LinkedIn-Scale Data StructuresHard

Tests your ability to design and optimize data structures for high-throughput application workloads.

Trade-offsRoadmappingScope ManagementOntic
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4
Behavioral & Leadership7 questions · ~56 min
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5
More topics4 questions · ~32 min
System Design QuestionsMedium

Assesses system design thinking, architecture decisions, and tradeoff reasoning.

system architectureOntic
TCP vs UDP for Real-Time AlertsMedium

Tests networking fundamentals and trade-off reasoning for reliable delivery in alerting.

Decision MakingStakeholder ManagementCommunicationOntic
Optimize Slow Multi-Join SQLMedium

Tests SQL performance tuning and practical strategies for large-scale relational queries.

JoinsperformanceAggregationsOntic
HTTPS Request Flow in APIsMedium

Tests knowledge of TLS/HTTPS, request routing, and gateway-level behavior.

backgroundself assessmentCommunicationOntic
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Unique Elements and Top-K FrequenciesMedium
Practice
Practice drill

Return the first row for each unique value, then rank the k most frequent values.

large datasetsData Structurescomplex queriesEverlaw
7th Nearest Palindrome CodingHard
Practice
Practice drill

Return the seventh closest palindrome for each valid input number, using recursive query logic and ordered ranking.

Dynamic ProgrammingCTEscomplex queriesDeloitte
Algorithms Used to Analyze DataMedium
Practice
Practice drill

Analyze project completion rates and average completion time, then rank projects by delivery performance.

Data ManipulationData AnalysisAlgorithmsSiemens Digital Industries Software
The finish line: interview-readyComplete all 32 questions plus 3 hands-on drills to finish this plan.