Sliding window: Given date to flight price data map. Find min flight price in a range of days from start to end(sliding window).

System Design - interviewers had a very old photostat of a photostat (just like some old Indian govt forms) which had the question. Taken by 2 engineers vising from their Netherland office. Design a credit card fraud detection system. Check card details in each new incoming booking as well as all old active bookings. Bank provide a 3rd party api which returns the list of fraud credit cards.

Behavioural round taken by a manager which was vising from London office. Where do you see yourself in 3 yrs? Have you ever worked for a failed product? Characteristics of failed product? Best compliment received so far? How do you judge your manager? Conflict with a colleague? Strengths and weaknesses How do you give peer feedback? Example of improvement(negative) feedback given? How do you plan your growth? Example of feedback given and you incorporated it