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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 daily.

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1
CodingStart here. 22 questions · ~209 min
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
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
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2
Execution11 questions · ~105 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
First 100 Prime NumbersMedium

Evaluates your ability to generate primes iteratively and correctly.

The Church of Jesus Christ of Latter-day Saints
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3
SQL & Data Manipulation4 questions + 3 drills · ~68 min
SharePoint Backend UnderstandingHard

Tests your depth of knowledge about SharePoint architecture and your ability to explain backend behavior clearly.

JoinsData WranglingAggregationsThe Church of Jesus Christ of Latter-day Saints
Database Questions in InterviewsMedium

Tests your database fundamentals, schema thinking, and ability to reason about queries and data modeling.

JoinsData WranglingAggregationsThe Church of Jesus Christ of Latter-day Saints
Find Spending Variance Drivers by DepartmentHard
Practice
Practice drill

Use joins and LAG to isolate departments driving a large month-over-month spending variance.

JoinsData WranglingGroup ByState of CaliforniaUniversity of ChicagoThe Church of Jesus Christ of Latter-day Saints
SQL FundamentalsMedium
Practice
Practice drill

Use filtering and aggregation to summarize completed orders by customer.

JoinsData ManipulationGroup ByAccenture Federal ServicesAltenBank Of Tokyo-Mitsubishi UFJ
Top Contributors by Region QueryHard
Practice
Practice drill

Find each region's top 10 contributors by completed donations within a fixed five-year period.

JoinsRankingCTEsThe Church of Jesus Christ of Latter-day Saints
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4
Behavioral & Leadership11 questions · ~105 min
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5
More topics2 questions · ~19 min
Technologies for a Java Web AppMedium

Assesses system design fundamentals and technology selection.

The Church of Jesus Christ of Latter-day Saints
Four Pillars of OOPEasy

Tests your knowledge of core OOP concepts and how they apply in code.

CommunicationOwnershipThe Church of Jesus Christ of Latter-day Saints
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.