C3i Hub Backend Developer Interview Questions

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Backend Developer Interview

Feb 4, 2026

Anonymous employee

Accepted offer

Positive experience

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I applied online. I interviewed at C3i Hub (Kānpur, Uttar Pradesh) in Jun 2025

Interview

2 dsa question + system design, they asked about binary search, search in rotated sorted array and reverse a stack. These 2 problems. Fairly easy, brute force then optimal. Explain binary search and time complexity

Interview questions [1]

Question 1

Binary search and stack problems

1 Answer

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Backend Developer Interview

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