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Oliver Wyman Software Engineer Interview Questions and Answers
Oliver Wyman Software Engineer Interview Experiences
1 interview found
Jianfeng He (hjfrun)
Selected
I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic algorithm questions
- Q2. Front end basic.
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I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.
(2 Questions)
- Q1. How does Django apply migrations to the database?
- Ans.
Django applies migrations to the database using the 'manage.py migrate' command.
Django tracks changes to models and generates migration files accordingly.
The 'manage.py makemigrations' command creates migration files based on model changes.
The 'manage.py migrate' command applies the generated migration files to the database.
Migrations help keep the database schema in sync with the changes in Django models.
- Q2. What is hoisting in javascript?
- Ans.
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their assignments.
Function declarations are fully hoisted, meaning they can be called before they are declared.
Hoisting can lead to unexpected behavior if not understood properly.
Create a full stack application in 3 days.
Selected
I applied via campus placement at Amity University and was interviewed in Dec 2024. There were 2 interview rounds.
There will be aptitude questions related to surface area, time and distance, as well as profit and loss.
There will be questions related to arrays, linked lists, stacks, queues, and binary search.
Interview Preparation Tips
- Data Structures
I was interviewed in Dec 2023.
(2 Questions)
- Q1. Lifecycle hooks of Angular
- Ans.
Angular lifecycle hooks are methods that allow you to tap into specific points in a component's lifecycle.
ngOnChanges: called when an input property changes
ngOnInit: called once the component is initialized
ngDoCheck: called during every change detection run
ngAfterContentInit: called after content (ng-content) has been projected into the component
ngAfterContentChecked: called after every check of the projected content
ng...
- Q2. SOLID principles
(1 Question)
- Q1. Questions on SQL
(1 Question)
- Q1. Introduction and basic questions
Skills evaluated in this interview
Sultan
I applied via Campus Placement
Easy njsfds asjdfjsda iasdfjk kffojal;ks
(2 Questions)
- Q1. About projects and internship
- Q2. About my experience leading a team
Interview Preparation Tips
I applied via Company Website and was interviewed in May 2022. There were 7 interview rounds.
This aptitude + technical MCQ test was of 120 minutes in duration. Had MCQs on quantitative ability, logical ability, Language, and technical MCQs consisted of questions on DBMS, OS, Networks, DSA. There were two coding questions as well. One on Bit Manipulating, and the other on DFS.
(1 Question)
- Q1. A question on BFS very similar to Leetcode 924. Was given one hour to discuss and come to an optimized solution with the interviewer.
(4 Questions)
- Q1. Search an element in a sorted and rotated array
- Ans.
Search an element in a sorted and rotated array
Find the pivot point where the array is rotated
Divide the array into two sub-arrays based on pivot point
Perform binary search on the appropriate sub-array
- Q2. SQL query on left join
- Q3. Questions on CPP memory management
- Q4. Questions related to projects done
(2 Questions)
- Q1. Propose a system for a popular media stream service
- Ans.
Proposed system for a popular media stream service
Implement a recommendation engine to suggest content based on user preferences and viewing history
Integrate with social media platforms to allow users to share and discuss content
Provide multiple subscription options with varying levels of access and features
Ensure high-quality streaming with minimal buffering through the use of content delivery networks
Implement robust...
- Q2. Questions related to Fullstack Tech Stacks
Guesstimate on number of Reddit users in India. No starting input was given. Gave solution by using bottom to top approach. Tried to focus on quantifying teenagers with internet access and a particular interest about internet. Gave a figure around ~1 million in a year.
(1 Question)
- Q1. Where do you see yourself at McKinsey?
Interview Preparation Tips
- DSA
- DBMS
- Web Development
Skills evaluated in this interview
Deva prasath
Basic coding related to c, c++... Then SQL query
(1 Question)
- Q1. Questions from project and are of interest that we pit in our resume
Abdullah Khan
I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Firstly They have asked me to introduce myself and further, they questions from manly 3 section from my resume
- Q2. OOPS 1: Difference between Method overloading and method overriding 2: What is inheritance and it's benifits 3: Define encapsulation and Abstraction.
- Ans.
Questions related to OOPS concepts in software engineering.
Method overloading is having multiple methods with the same name but different parameters, while method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
Inheritance is the ability of a class to inherit properties and methods from its parent class. It allows for code reuse and promotes modularity.
Encapsu...
- Q3. SQL 1: Difference between primary key and unique key 2: Why we use Normalisation and there different types 3: Some questions from SQL query, Join, delete, update, etc.
- Ans.
Answers to SQL related questions for Software Engineer interview
Primary key uniquely identifies a record in a table, while unique key ensures that no two records have the same value for a specific column
Normalization is used to eliminate data redundancy and improve data integrity. Types include 1NF, 2NF, 3NF, BCNF, 4NF, 5NF
SQL queries can be used to retrieve data from one or more tables using joins. Delete and update s
- Q4. Aptitude 1: One question from number series
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
VISTRA INTERNATIONAL EXPANSION
Anonymous
posted on 5 Dec 2021
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. General questions related to Informatica and ETL
- Q2. Questions related to Robotic Process Automation
Interview Preparation Tips
2. Interview questions were average and answerable.
3. They sounded like they wanted an 'All Rounder' who can perform duties related to any role within the team and they called it "Cross Functional". Skill-set / Role may go for a toss.
4. They were desperate for resources. You may negotiate and get a better pay hike :P
5. Had hopes with this company but decide to skip after interview experience.
BEWARE, You may be exploited!
I applied via Walk-in and was interviewed before Sep 2021. There were 2 interview rounds.
MCQs ques related to dbms,os ,oops
2 coding question on basic dsa and arrays and 2 SQL queries
Interview Preparation Tips
- dsa
- sql
- arrays
- trees
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