Frontier Solutions Architect Interview Questions

The questions to prepare for a Frontier Solutions Architect interview. Questions from real interview reports rank first. Updated daily.

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CodingStart here. 5 questions · ~64 min

Find the minimum-cost path between two nodes in a weighted graph using Dijkstra's algorithm.

Implementing an API Rate LimiterHard

Practice

Determine which API requests are allowed using a sliding window and queue of timestamps.

Hash TablesQueueapi

Frontier

Algorithm You Use OftenMedium

Tests algorithmic reasoning and ability to justify tradeoffs for real engineering needs.

Dynamic ProgrammingGreedyGraphs

Frontier

Priority Queue Data StructuresEasy

Tests data structure selection and understanding of time complexity tradeoffs.

ArraysSortingHeap

Frontier

Compare REST and SOAP APIsMedium

Explain the core differences between REST and SOAP, including message format, protocol style, and trade-offs.

Hash TablesStrings

Frontier

More topics3 questions · ~38 min

Tests ability to identify high-value AI use cases and integrate them safely into production systems.

Gathering Feature RequirementsEasy

Tests product discovery, stakeholder alignment, and translating customer needs into technical requirements.

User ResearchUser NeedsMVP

Frontier

Sharing Your Work ExperienceMedium

Assesses your ability to communicate relevant experience for a Solutions Architect role at Frontier.

Frontier

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