Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Niantic Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 28 questions · ~262 min
Count Word Occurrences in TextMedium
Practice

Count requested words in a case-insensitive text stream while handling words split across chunk boundaries.

Niantic
Count Islands in a GridEasy
Practice

Use DFS on a matrix-as-graph to count connected components of land cells.

MatrixGraphsNiantic
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2
System Design9 questions · ~84 min
Social Graph Friends-of-FriendsHard

Evaluates your ability to design graph algorithms and reason about reachability in social networks.

Niantic
Role Based Access with InheritanceHard

Evaluates your ability to design authorization models and reason about permissions inheritance.

access controlNiantic
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3
Security & Infrastructure3 questions · ~28 min
Operating System FundamentalsMedium

Assesses your understanding of core OS concepts relevant to building reliable software.

fundamentalsOperating SystemsNiantic
Memory vs StorageEasy

Assesses your understanding of computer fundamentals that affect performance and system behavior.

memoryNiantic
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4
Behavioral & Leadership8 questions · ~75 min
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5
More topics2 questions · ~19 min
Reverse Linked ListMedium

Evaluates ability to implement a core linked list algorithm correctly.

normalizationsqlNiantic
Probability of Reaching a GoalHard

Tests your ability to model independent events and compute cumulative probabilities correctly.

probabilitystatisticsNiantic
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.