Principal Financial Group Java Tech Lead interview questions

A. First round : 95 min., Screen monitor assessment test mainly focus on medium to hard level DS question picked up from Leetcode and UML design implementation like Vending Machine designing. B. Second Round: 55 min. a. Project Architecture. b. Rest URI Question. c. Data consistency problem with solution when two DB are inlvolved. d. Rest WS security. e. Oauth 2.0- Full Implementation in depth multiple questions. f. Scenario base question on Rest WS implementation. g. AWS question(I have mentioned, that I have not worked on it, still asking question ). h. Devops Questions related to branching and involvement. i. DB questions related to designing of tables Third Round:40 min., has been told would be related to Managerial round but turned out to be technical. a. Again Intro+Project Archit. b. Breaking application into Micro-services and provide its design implementation. c. AWS questions, irrespective of no where mentioned in CV. d. Roles and responsibility etc. HR round: 15 min.