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829 senior full stack engineer interview questions shared by candidates

Guys most of the question above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, it just needs more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.
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Senior Full Stack Software Engineer

Interviewed at Feedonomics

4.4★
Mar 26, 2021

Guys most of the question above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, it just needs more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.

All the interviewers don't know how to interview. They also don't seem technically strong. That's understandable as most technically strong people are in Faang. Most interviewers asked questions and never bothered to take note or share a document as it was remote. I opened Google doc and shared my screen. Also, I had to keep asking if they are ok with you what I am doing. Bad communication! Onsite 1. Design a local library. Onsite 2. Asked if 1st interviewer asked library, I said yes.. so asked some banking routing no and interview was done in 20 mins.. she said she had nothing else! Onsite 3. Cultural interview from new soft engineer who was customer support earlier. When was the last time you asked for help? And some other random stuff Onsite 4. A version of LCS I solved in n2 and they said it was brute Force! Design a restaurant and menu design question Onsite 5. Design Twitter like system. During the process he said he doesn't know how to implement it, then how is he going to assess me? I had to follow up after interview.
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Senior Full Stack Software Engineer

Interviewed at EarnIn

4.1★
Feb 27, 2019

All the interviewers don't know how to interview. They also don't seem technically strong. That's understandable as most technically strong people are in Faang. Most interviewers asked questions and never bothered to take note or share a document as it was remote. I opened Google doc and shared my screen. Also, I had to keep asking if they are ok with you what I am doing. Bad communication! Onsite 1. Design a local library. Onsite 2. Asked if 1st interviewer asked library, I said yes.. so asked some banking routing no and interview was done in 20 mins.. she said she had nothing else! Onsite 3. Cultural interview from new soft engineer who was customer support earlier. When was the last time you asked for help? And some other random stuff Onsite 4. A version of LCS I solved in n2 and they said it was brute Force! Design a restaurant and menu design question Onsite 5. Design Twitter like system. During the process he said he doesn't know how to implement it, then how is he going to assess me? I had to follow up after interview.

Angular architecture diff b/w angularjs and angular8 building blocks in angular routing in angular pipes in angular modules in angular web api in angular mvc lifecycle and routing how to bind data from model to view diff b/w textbox and textboxfor what are strongly typed variables filters exception filter decorator name authorization how to know login page is the first page how to know which controller actionmethod to be invoked on click of submit button from 2 buttons how to not refresh the page and yet update something transaction in sql server diff bw SP and func can we use insert update in func can we use trans in func diff b/w temptable and tempvariable where these 2 are stored diff bw rest and soap does rest support tcp ?
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Senior Software Engineer In Dot Net Full Stack

Interviewed at IBM

3.9★
Dec 10, 2020

Angular architecture diff b/w angularjs and angular8 building blocks in angular routing in angular pipes in angular modules in angular web api in angular mvc lifecycle and routing how to bind data from model to view diff b/w textbox and textboxfor what are strongly typed variables filters exception filter decorator name authorization how to know login page is the first page how to know which controller actionmethod to be invoked on click of submit button from 2 buttons how to not refresh the page and yet update something transaction in sql server diff bw SP and func can we use insert update in func can we use trans in func diff b/w temptable and tempvariable where these 2 are stored diff bw rest and soap does rest support tcp ?

This position is for User interface and job description says looking for HTML 5 ,CSS 3 and Ext Js but interviewer expecting a master in JAVA who can even provide Solution for upcoming JDK which is not available in current JDK version.The funniest part of this is that the position is open for more than 6 month and they couldn't find a match yet.
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Senior Software Engineer - Full Stack User Interface

Interviewed at Virtana

4.1★
Mar 11, 2013

This position is for User interface and job description says looking for HTML 5 ,CSS 3 and Ext Js but interviewer expecting a master in JAVA who can even provide Solution for upcoming JDK which is not available in current JDK version.The funniest part of this is that the position is open for more than 6 month and they couldn't find a match yet.

1. Talk about the design of a system you are working on. I don't know if this is where I did bad but maybe try to focus on how the system is designed. 2. Fix the given React code and format it so that it looks like what they want. Practice cssing components in a certain way with flex, etc. Flex in their code was one of the things causing problems because of the inline property. 3. Basically they have a diagram of a process that records users checking out a cart and different processes that will send an email to a user if the cart is not checked out for a period of time. Each cart checkout is recorded in a SQL table. Each of these processes are hosted in a single EC2 instance. The four different processes are 1. The vendor checkout cart is written to a table 2. The checkout cart is completed and written to a table. 3. There is another process that will retrieve the cart id's from the vendor for carts that have completed checkouts and update them. 4. There is another process that will check if carts sat too long and an email should be sent to a user. They asked what happens if the EC2 instance fails, if there is a planned DB outage, if the call is rate limited. 4. They explained to me how the data pipeline needs to use the same framework because multiple teams have created their own data pipelines and created their own frameworks, so the validation is not consistent across all pipelines. This interview was a bit different actually because they wanted requirements for internal developers vs for customers. What would the UI look like, etc. 5. Talked to a PM (the one that is suppose to hire me is out on PTO somehow). She asked me about what to do in situations like if the feature could not be implemented, etc. She was great to talk with.
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Senior Full Stack Software Engineer

Interviewed at Klaviyo

3.4★
Sep 18, 2023

1. Talk about the design of a system you are working on. I don't know if this is where I did bad but maybe try to focus on how the system is designed. 2. Fix the given React code and format it so that it looks like what they want. Practice cssing components in a certain way with flex, etc. Flex in their code was one of the things causing problems because of the inline property. 3. Basically they have a diagram of a process that records users checking out a cart and different processes that will send an email to a user if the cart is not checked out for a period of time. Each cart checkout is recorded in a SQL table. Each of these processes are hosted in a single EC2 instance. The four different processes are 1. The vendor checkout cart is written to a table 2. The checkout cart is completed and written to a table. 3. There is another process that will retrieve the cart id's from the vendor for carts that have completed checkouts and update them. 4. There is another process that will check if carts sat too long and an email should be sent to a user. They asked what happens if the EC2 instance fails, if there is a planned DB outage, if the call is rate limited. 4. They explained to me how the data pipeline needs to use the same framework because multiple teams have created their own data pipelines and created their own frameworks, so the validation is not consistent across all pipelines. This interview was a bit different actually because they wanted requirements for internal developers vs for customers. What would the UI look like, etc. 5. Talked to a PM (the one that is suppose to hire me is out on PTO somehow). She asked me about what to do in situations like if the feature could not be implemented, etc. She was great to talk with.

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