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Software Developer Iii Interview Questions

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7,035 software developer iii interview questions shared by candidates

First: 1. Given people's visiting/booking chart for time slots (from-to) into a cyber cafe calculate the maximum computer you need. 2. Calculate the minimum dice rolls you need to win a snake-ladder game denoted by a 2 dimensional matrix where position of snakes and ladder are also given. 3. One more data strucutre algorithm question. Second round: 1. Producer consumer problem and solution 2. Getting most trending hashtag from a stream of tweets efficiently 3. One more multi threading problem which I dont remember. 4. ConcurrentHashMap in java and how does it work and difference b/w other hashmaps. Third round: Short comings from my java round (multi threading) and how would i like to improve my solution. Sine wave sorting from an array of integers. My experience of the interview so far. (He was impressed by the ds algo round and solutions)
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Software Engineer-III

Interviewed at Walmart

3.4★
Nov 18, 2019

First: 1. Given people's visiting/booking chart for time slots (from-to) into a cyber cafe calculate the maximum computer you need. 2. Calculate the minimum dice rolls you need to win a snake-ladder game denoted by a 2 dimensional matrix where position of snakes and ladder are also given. 3. One more data strucutre algorithm question. Second round: 1. Producer consumer problem and solution 2. Getting most trending hashtag from a stream of tweets efficiently 3. One more multi threading problem which I dont remember. 4. ConcurrentHashMap in java and how does it work and difference b/w other hashmaps. Third round: Short comings from my java round (multi threading) and how would i like to improve my solution. Sine wave sorting from an array of integers. My experience of the interview so far. (He was impressed by the ds algo round and solutions)

Went through a machine Coding round. I designed a Journey Service. later had follow up round on Machine code, where interviewer asked to scale the solution and handle concurrency. Discussed multiple design patterns and where can be applied in the solution.
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Software Engineer III SDE3

Interviewed at PhonePe

4.1★
Jan 6, 2026

Went through a machine Coding round. I designed a Journey Service. later had follow up round on Machine code, where interviewer asked to scale the solution and handle concurrency. Discussed multiple design patterns and where can be applied in the solution.

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