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Walmart SSE 6 YOE Reject Q3 2025
January 12, 2026 • 1 reads
Summary
I had an interview for a Senior Software Engineer role at Walmart in Q3 2025, where I was presented with two distinct technical questions related to data manipulation and system design challenges, and unfortunately, I was rejected.
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###R1 Q1: Given a list of strings containing real number (positive, negative, decimal), sort it, without converting it to arithmetic data type.
Q2: Consider a stream of location co-ordinates (lat, long), which can enable users for below operations:
- Give nearest 10 locations for given co-ordinates.
- Give top 5 hotspots.
Interview Questions (2)
Q1
Sort Real Numbers as Strings
Data Structures & Algorithms
Given a list of strings containing real number (positive, negative, decimal), sort it, without converting it to arithmetic data type.
Q2
Location Stream Processing for Nearest and Hotspots
System Design
Consider a stream of location co-ordinates (lat, long), which can enable users for below operations:
- Give nearest 10 locations for given co-ordinates.
- Give top 5 hotspots.