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Prep plan
Updated weekly · Last refresh Aug 30

Simons Foundation Software Engineer Interview Questions

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

32questions
~5htotal time
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1
CodingStart here. 14 questions · ~122 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysSimons Foundation
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingSimons Foundation
Optimizing a Slow ApplicationMedium

Tests performance troubleshooting, measurement, and targeted optimization strategies.

Hash TablesArraysSortingSimons Foundation
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2
Execution3 questions · ~26 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 ManagementSimons Foundation
Design Fault-Tolerant SystemsHard

Tests your ability to build resilient architectures with redundancy, graceful degradation, and recovery.

Trade-offsSuccess CriteriaRisk AssessmentSimons Foundation
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3
SQL & Data Manipulation3 questions + 3 drills · ~56 min
4
Behavioral & Leadership11 questions · ~96 min
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5
More topics1 question · ~9 min
Tail a Linux Log FileEasy

Tests practical Linux skills for monitoring application logs in real time.

linuxSimons Foundation
The finish line: interview-readyComplete all 32 questions plus 3 hands-on drills to finish this plan.