Wrike Staff Engineer Interview Questions and Answers

Q1. Leetcode medium questions were asked
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- DP cost optimisation Problem
- Object orient design question like design a vending machine

Q1. - Design patterns questions - Questions on aws
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Q1. - How to measure api performance - jvm related questions
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Q1. Why hire? Your strength? How you will contribute?
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Strings and Arrays the interview was of 1hour and basics of java and framework was asked

Q1. No second round was scheduled for me.
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Search and sort alogorithm, remove duplicate item in array and how many times its repeated

Q1. Rotate array with how many times the array was rotated. testing questions. team management questions.
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Code snippets apti to guess output

5 questions with each 15 min time

Long coding with 2 hrs time

Q1. Db modelling for accounting app
Ans. 
Database modeling for an accounting application
• Identify entities such as customers, invoices, transactions, and accounts

• Establish relationships between entities (e.g. one-to-many, many-to-many)

• Consider normalization to reduce redundancy and improve data integrity

• Use primary keys and foreign keys to maintain data consistency

• Implement constraints to enforce business rules (e.g. unique constraints, check constraints)
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Q2. Class diagram and system design for any fintech app
Ans. 
A fintech app class diagram and system design involves modeling classes, relationships, and interactions for financial services.
• Identify key classes such as User, Account, Transaction, and Payment

• Define relationships between classes (e.g. User has many Accounts, Account has many Transactions)

• Consider security measures for sensitive financial data

• Include features like authentication, authorization, and encryption

• Design ...read more
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Round duration - 60 minutes
Round difficulty - Medium

In first round, I was not able to complete code but explained the solution. 
Tip : Try to practice coding even if you have 10 years of experience.

Q1. 
Search In Rotated Sorted Array Problem Statement
Given a rotated sorted array ARR of size 'N' and an integer 'K', determine the index at which 'K' is present in the array.
Note:
1. If 'K' is not present...read more
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Q2. 
Minimum Jumps Problem Statement
Bob and his wife are in the famous 'Arcade' mall in the city of Berland. This mall has a unique way of moving between shops using trampolines. Each shop is laid out in a st...read more
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Round duration - 45 minutes
Round difficulty - Medium

Round 2 went very good. They gave a design question in this round.

Q1. Design a file searching functionality for Windows and Mac that includes indexing of file names.
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Round duration - 45 minutes
Round difficulty - Medium

The third round was also a design round.

Q1. How would you design a system for MakeMyTrip?
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Q1. What is the process for designing a thread-safe concurrent transaction application?
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Q2. Find middle element of linkedlist
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Q1. It was ML system design where they asked me to design Quora
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Q2. Code Kmeans from scratch
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