Goldcast Interview Experience
- Posted
- 7 Apr 2026
Summary
I interviewed for a Senior Software Engineer 2 (Backend) role at Goldcast, where the interview focused on discussing an optimized approach, dry‑running the solution, and then coding, and I cleared it.
How it went
Goldcast Interview Experience – Senior Software Engineer 2 (Backend)
The interview was conducted on Interview Vector on behalf of Goldcast.
The interviewer explicitly expected:
- First, discuss an optimized approach
- Then, dry run the solution
- Only after that, proceed to write code
Questions asked:
- Movement of Robots - https://leetcode.com/problems/movement-of-robots/description/
- Restore IP Addresses – https://leetcode.com/problems/restore-ip-addresses/
Both problems required clear thinking, edge case handling, and structured communication before coding.
Questions asked (2)
- 01
Movement of Robots
Data Structures & Algorithms · Medium
Open the problemGiven a set of robots on a line, each robot can move left or right one unit per second. Determine which robots can end up at the same position after a certain number of moves, considering possible collisions and constraints. (LeetCode problem)
- 02
Restore IP Addresses
Data Structures & Algorithms · Medium
Open the problemGiven a string containing only digits, return all possible valid IP address combinations that can be formed by inserting three dots into the string. Each segment must be between 0 and 255 and cannot have leading zeros unless the segment is exactly "0". (LeetCode problem)