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Prep plan
Updated weekly · Last refresh Oct 17

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 daily.

31questions
~5htotal time
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1
CodingStart here. 13 questions · ~122 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysSimons Foundation
Optimizing a Slow ApplicationMedium

Tests performance troubleshooting, measurement, and targeted optimization strategies.

Hash TablesArraysSortingSimons Foundation
Synchronous vs Asynchronous ProgrammingEasy

Explain how synchronous and asynchronous programming differ, when each is appropriate, and how async improves I/O-bound throughput.

RecursionQueueStringsSimons Foundation
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2
Execution3 questions · ~28 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 · ~58 min
4
Behavioral & Leadership11 questions · ~103 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 31 questions plus 3 hands-on drills to finish this plan.