Lead Software Engineer Interview Questions

2,147 lead software engineer interview questions shared by candidates

Round I Online Coding 1. Valid curly braces in the given program 2. Return Frequency list on the input of list of strings 3. Validate password with error code Round II Tech I 1. Write a lambda functionto print number 1-5 2. Why arraylist? 3. Explain abour pipeline process. 4. What are the testing libraries youhave used? 5. Process of code review in your application? 6. How Routing works in React? 7. How Indexing works in Table? 8. Do you know about EC2 confugurations? 9. Biggest Escalations you have faced? Round III Tech II 1. Scopes of a bean. 2. What is ideal scope of a bean we can use for a ecoomerce site 3. What is the ideal storage place for storing wishlist 4. How can we design architecture for redis cache if we have 4 app servers 5. We have a file of milion lines, in each lineonly one character was there, get the frequency count 6. Same above scenario, write a query for that 7. SOLID principles 8. Lisco Substitution principle example 9. Builder design pattern 10. Payment transaction management in your application
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Lead Software Engineer

Interviewed at Fidelity Investments

4.1
Feb 18, 2022

Round I Online Coding 1. Valid curly braces in the given program 2. Return Frequency list on the input of list of strings 3. Validate password with error code Round II Tech I 1. Write a lambda functionto print number 1-5 2. Why arraylist? 3. Explain abour pipeline process. 4. What are the testing libraries youhave used? 5. Process of code review in your application? 6. How Routing works in React? 7. How Indexing works in Table? 8. Do you know about EC2 confugurations? 9. Biggest Escalations you have faced? Round III Tech II 1. Scopes of a bean. 2. What is ideal scope of a bean we can use for a ecoomerce site 3. What is the ideal storage place for storing wishlist 4. How can we design architecture for redis cache if we have 4 app servers 5. We have a file of milion lines, in each lineonly one character was there, get the frequency count 6. Same above scenario, write a query for that 7. SOLID principles 8. Lisco Substitution principle example 9. Builder design pattern 10. Payment transaction management in your application

There was a detailed technical question about a test strategy for a complex system built with a domain-specific language. When I answered in general terms, the interviewer kept pressing for more specifics and detailed examples. I finally realized that she didn't really understand the problem. I confronted her with "This is your job, isn't it? And you don't know how to do it!" She admitted I was right.
Jul 23, 2014

There was a detailed technical question about a test strategy for a complex system built with a domain-specific language. When I answered in general terms, the interviewer kept pressing for more specifics and detailed examples. I finally realized that she didn't really understand the problem. I confronted her with "This is your job, isn't it? And you don't know how to do it!" She admitted I was right.

What is the change in memory in Java 8, Performance of HAshmaps prior to JAva8 and now , What is Autoconfiguration in spring, Spring bean lifecycle, How to exclude auto configuration,bean scopes in spring, till here i did well Then he started asking me max which I dont know design pattern in microservices how they communicate with each other wht is difference between Collection and Document in Mongo DB What is 1 and -1 in indexes of MongoDB I just worked for 2 months in Mongo DB and I didnt expeceted he would start asking me such advanced questions,any how I understood that I got rejected for the interview
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Lead Software Engineer

Interviewed at Wells Fargo

3.5
Mar 30, 2023

What is the change in memory in Java 8, Performance of HAshmaps prior to JAva8 and now , What is Autoconfiguration in spring, Spring bean lifecycle, How to exclude auto configuration,bean scopes in spring, till here i did well Then he started asking me max which I dont know design pattern in microservices how they communicate with each other wht is difference between Collection and Document in Mongo DB What is 1 and -1 in indexes of MongoDB I just worked for 2 months in Mongo DB and I didnt expeceted he would start asking me such advanced questions,any how I understood that I got rejected for the interview

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