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Alex Chen
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Alex Chen

Sr. Software Engineer

Backend

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Calibrated by EM @ Google, Staff Engineer @ Meta

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Interview Recordings

Algorithmic Coding
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Algorithmic Coding

System Design
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System Design

Behavioral
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Behavioral

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Jan 22, 2026
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Competencies & Feedback

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Problem Solving

High Proficiency
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Solution Completeness
[18:20]

Successfully implemented the full binary search logic for both even and odd total lengths.

[19:10]

Provided a working solution that handles arrays of significantly different sizes.

[20:00]

All sample test cases passed on the first execution without logic gaps.

Edge Case Anticipation
[2:30]

Identified that one array could be entirely smaller than the other before coding.

[4:40]

Discussed the "out of bounds" risk when the partition falls at index 0.

[5:40]

Handled the single-element array case (n=1, m=1) specifically in the index math.

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Code Quality

Proficient
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Verification & Debugging

Proficient
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Communication & Collaboration

Proficient
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Optimality

High Proficiency
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Developer Fluency

Proficient
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