Online Code Challenge: 90 minutes 2 problems to code. Easy and medium level leet code. (2-3 hours) Phone : 45 Min of questions related to your work experience and general knowledge about technology stack on resume. **Loop Interview ( 4 Tech + HR) 4.5 hours ** 1. Programming Interview + Live Coding - easy coding question, - fundamental language knowledge ( linkedlist, array, hashmap, set, etc) - Https, Http, network things. - Time complexity of different data structure was asked and expected to give just O notation answer. 2. System Design Interview - work experience - Design REST API ( 30 mins ) During interview, I am not sure what they really want, I mean, ask me to choose design pattern, DB design, and methods to implement. It is not enough time for writing down and explain on the live code document, no design tools and no drawing things. 3. Data Structure and Live Coding. - work experience - next round again for hashmap, set, linked list, time complexity - three data structure implementations live code 4. DB, Experience, System Performance, concurrency - multithreading, DB, junit, spring boot, configuration, etc - work experience, some coding ( sql , multithread), GC, memory management. 4.5 HR - just ask about why choose PayPay - Your availability to join, expected salary and motivation They said result will come out after 1 day quickly. I got reject.