Software Developer Ii Interview Questions

3,998 software developer ii interview questions shared by candidates

They asked DSA questions mainly based on the sliding window technique. Apart from that, they covered Java basics to advanced concepts including OOPs, collections, exception handling, Java 8 features, Spring Boot fundamentals, and multithreading concepts like synchronization, thread lifecycle, and ExecutorService.
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Senior Software Engineer II

Interviewed at Pine Labs

3.8
May 28, 2026

They asked DSA questions mainly based on the sliding window technique. Apart from that, they covered Java basics to advanced concepts including OOPs, collections, exception handling, Java 8 features, Spring Boot fundamentals, and multithreading concepts like synchronization, thread lifecycle, and ExecutorService.

Tech Screening Round - 1 Interviewer Domain Knowledge - Payment Gateway 10-15 minutes Implicit explicit wait Finally keyword Code on Duplicates in String Code in selenium for extracting data through XL Select class & it's methods Interface vs abstract class Situation based questions for multiple users login to website - 100 Super Day - 3 rounds back to back (1) Manager Round Basics of Payments Domain ( 4 party model ) String working ....4 strings given String A hello String B hello String c = new string () String d = new string () Overloading and overriding basics SQL ....sorting Behavioural questions Approach towards writing a test case If dev not agreeing to defect (2) Bar Raiser Genaral behavioural questions API related questions technical (3) SME Testing concepts Definition of Done All testing concepts in deep Payments concepts Grilled on basics
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Software Engineer II

Interviewed at Mastercard

4.1
Sep 13, 2024

Tech Screening Round - 1 Interviewer Domain Knowledge - Payment Gateway 10-15 minutes Implicit explicit wait Finally keyword Code on Duplicates in String Code in selenium for extracting data through XL Select class & it's methods Interface vs abstract class Situation based questions for multiple users login to website - 100 Super Day - 3 rounds back to back (1) Manager Round Basics of Payments Domain ( 4 party model ) String working ....4 strings given String A hello String B hello String c = new string () String d = new string () Overloading and overriding basics SQL ....sorting Behavioural questions Approach towards writing a test case If dev not agreeing to defect (2) Bar Raiser Genaral behavioural questions API related questions technical (3) SME Testing concepts Definition of Done All testing concepts in deep Payments concepts Grilled on basics

What are Generics and a code snippet regarding what the output would be. I answered correct here. Difference between abstract and interface and what is the uses of default methods in interface and what is the difference between default and static methods in it -- here I got a little confused. HashCode and equals logic question --- snippet he gave in which I answered wrong in one case but the rest were right. He moved with Stream api and asked me to write a bunch of code andfor even odd he told me to use only single stream -- I forgot the partitioningBy() method which was fine i went old school He asked me a good theory related questions I was confidently answered them. Output -- No response. I called the same TA asking for update and feedback she said she was busy and will call back. No response. This is how Mastercard recruits people.
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Software Engineer II

Interviewed at Mastercard

4.1
Sep 29, 2025

What are Generics and a code snippet regarding what the output would be. I answered correct here. Difference between abstract and interface and what is the uses of default methods in interface and what is the difference between default and static methods in it -- here I got a little confused. HashCode and equals logic question --- snippet he gave in which I answered wrong in one case but the rest were right. He moved with Stream api and asked me to write a bunch of code andfor even odd he told me to use only single stream -- I forgot the partitioningBy() method which was fine i went old school He asked me a good theory related questions I was confidently answered them. Output -- No response. I called the same TA asking for update and feedback she said she was busy and will call back. No response. This is how Mastercard recruits people.

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