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Technical Lead Java Interview Questions

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511 technical lead java interview questions shared by candidates

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.
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Java Tech Lead

Interviewed at Principal Financial Group

3.8★
Jun 28, 2021

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.

*Count number of 1's in a binary sorted array, alternate way using collections(Think of frequency) *Array list to hash map using streams based on some filter. *How doubly linked list is implemented in java *Difference between set and list *Given order id quantity and country find max of quantity by country-Think of some basic sql
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Senior Java Developer/Lead

Interviewed at Altimetrik

3.9★
Sep 28, 2019

*Count number of 1's in a binary sorted array, alternate way using collections(Think of frequency) *Array list to hash map using streams based on some filter. *How doubly linked list is implemented in java *Difference between set and list *Given order id quantity and country find max of quantity by country-Think of some basic sql

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