Software Engineer Principal Interview Questions

2,045 software engineer principal interview questions shared by candidates

• Syntax from memory: classes, methods, generics, LINQ, async/await, exceptions, collections, null handling. • Algorithms & data structures: arrays/strings, hash maps/sets, stacks/queues, sorting, two pointers, recursion/DFS/BFS, intervals. • Clean coding under pressure: small, named methods; no magic numbers; tests or assertions.
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Principal Software Engineer

Interviewed at biBerk Insurance Services

2.9
Sep 24, 2025

• Syntax from memory: classes, methods, generics, LINQ, async/await, exceptions, collections, null handling. • Algorithms & data structures: arrays/strings, hash maps/sets, stacks/queues, sorting, two pointers, recursion/DFS/BFS, intervals. • Clean coding under pressure: small, named methods; no magic numbers; tests or assertions.

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