1. Codesignal - dont remember the problems but I assume its from some question bank. Practice leetcode easy/medium problems around arrays, string manipulation, collections, and using pointer/sliding window approach.

Power Day Rounds (4 interviews, 1 hour each)
1. Coding - Given a string, find the total count of some character. They expect a O(1) solution as the optimal solution.
2. Design - create a backend design for a bank application. Watch youtube videos by Exponent, this is really helpful. You should list out requirements, pick out all the components to address each point, some sample database table schemas, and some sample REST API's. Theres follow up questions based on your design but overall each on of these videos has similar components, its just how you explain things. You should also recommend technology for each component you'd use to make your decision stronger.
3. Behavioral - forgot the questions but its usually things like: tell me about a time you had to learn something new, tell me about a time when you have multiple priorities, etc. Typical STAR format interview questions they can be found everywhere on google.
4. Case Study - I had one around some chatbot. They ask conceptual questions like what are the pros/cons of a chatbot at a bank, how can it help customers, know things like data & privacy concerns with chatbots. Then code analysis is simple, just know basics of Java and understand OOPS.

Question

1. Codesignal - dont remember the problems but I assume its from some question bank. Practice leetcode easy/medium problems around arrays, string manipulation, collections, and using pointer/sliding window approach. 

Power Day Rounds (4 interviews, 1 hour each)
1. Coding - Given a string, find the total count of some character. They expect a O(1) solution as the optimal solution. 
2. Design - create a backend design for a bank application. Watch youtube videos by Exponent, this is really helpful. You should list out requirements, pick out all the components to address each point, some sample database table schemas, and some sample REST API's. Theres follow up questions based on your design but overall each on of these videos has similar components, its just how you explain things. You should also recommend technology for each component you'd use to make your decision stronger. 
3. Behavioral - forgot the questions but its usually things like: tell me about a time you had to learn something new, tell me about a time when you have multiple priorities, etc. Typical STAR format interview questions they can be found everywhere on google. 
4. Case Study - I had one around some chatbot. They ask conceptual questions like what are the pros/cons of a chatbot at a bank, how can it help customers, know things like data & privacy concerns with chatbots. Then code analysis is simple, just know basics of Java and understand OOPS.

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