Anthropic·Software Engineer·Technical Phone Screen
Apr 2026
Coding interview at Anthropic for a software engineer role. You get a problem, you design a solution in Python, and they want the full package: approach, data structures, clean code, tests, complexity analysis. Pretty thorough for a single round.
- Design and implement a Python solution to a given problem, covering your approach, data structure choices, trade-offs, clean modular code, unit tests, and time/space complexity analysis.
“They really did want all of it.” The rest of the author's notes on Software Engineer interview at Anthropic, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.
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