The interviews were fine. They took around 2 months and involved 4-5 interviews. The process could have been expedited.

At the end, they called to discuss compensation and offered a lower position (on-call). There was no official email, and they never followed up.

They could have inquired about expectations at the start. If there was a mismatch, time could have been saved for both the candidate and the interviewer.

L1 Round:

• If there's a senior person writing bad code, how will you deal with it?
• Have you worked on writing test cases?
• Did you work where timelines were tight? What did you compromise?
• Experience about HTML, CSS, JS, Data Structures.
• Asked about your current project and role.
• Asked about web component approach.
• Create a table with filter, sorting, and dynamic columns in it.
• Event capturing, bubbling: What happens first?
• Is an API sent? How to cancel it?
• Event loop.
• Tell something about performance improvements.
• Data Structure: Find the longest palindrome in a sentence.
• How SSO works?
• Debounce and throttling.

L2 Round:

• Linked list of arrays: How to find if an array is a palindrome?
• A huge array of 5k, 10k numbers. Find the maximum of that array.
• Ways of sorting and their time and space complexity.
• How to improve performance?
• How to take care of security?
• How do you make sure an application is responsive?
• How does the backend communicate?
• What is binary search?
• Talk about scalability.
• Any design patterns you are aware of?

L3: System Design Round

• Create a parking lot model.

L4 Round:

• Have you mentored people?
• Was there a time when requirements were vague? What did you do?
• How do you generally operate?
• What are some best practices you follow?
• Was there a time when a project failed miserably? Were you able to convince your manager?
• Is your experience mainly on the frontend, or backend also?
• Talk something about security and accessibility.