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The Church of Jesus Christ of Latter-day Saints Software Engineer Interview Questions

The questions to prepare for a The Church of Jesus Christ of Latter-day Saints Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 29 questions · ~273 min
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonThe Church of Jesus Christ of Latter-day Saints
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsThe Church of Jesus Christ of Latter-day Saints
Programming Languages and RationaleEasy

Tests your technical fit and your ability to justify language choices based on constraints.

MathArraysStringsThe Church of Jesus Christ of Latter-day Saints
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2
Execution8 questions · ~75 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 ManagementThe Church of Jesus Christ of Latter-day Saints
Site Design From MockupsMedium

Tests ability to translate requirements into UI implementation and follow design specs.

Launch PlanningTrade-offsScope ManagementThe Church of Jesus Christ of Latter-day Saints
Take-Home Project PrepMedium

Tests execution planning, tradeoffs, and ability to deliver a complete solution from specs.

Trade-offsSuccess CriteriaScope ManagementThe Church of Jesus Christ of Latter-day Saints
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3
SQL & Data Manipulation4 questions + 3 drills · ~68 min
4
Behavioral & Leadership9 questions · ~85 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.