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Mercer Principal Engineer Interview Questions and Answers
Mercer Principal Engineer Interview Experiences
1 interview found
Anonymous
(1 Question)
- Q1. Last project architecture
- Ans.
Designed a microservices architecture using Docker and Kubernetes for a scalable web application
Utilized Docker containers to encapsulate each microservice
Implemented Kubernetes for container orchestration and scaling
Used service discovery and load balancing for high availability
Separated concerns by breaking down the application into smaller services
Skills evaluated in this interview
Principal Engineer Jobs at Mercer
Interview questions from similar companies
Selected
I applied via Referral and was interviewed in Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. What is your role in team
- Q2. Formative assessment of complex problems and your contribution to drive the solution
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Hr
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...
Interview Preparation Tips
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.
I was interviewed before Jun 2021.
(2 Questions)
Round duration - 180 minutes
Round difficulty - Easy
It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy
- Q1.
Find the Duplicate Number Problem Statement
Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...
- Ans.
Find the duplicate number in an array of integers from 0 to (N-2).
Iterate through the array and keep track of the frequency of each number using a hashmap.
Return the number with a frequency greater than 1 as the duplicate number.
Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.
- Q2.
Reverse String Operations Problem Statement
You are provided with a string
Sand an array of integersAof sizeM. Your task is to performMoperations on the string as specified by the indices in arrayA... - Ans.
Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.
Iterate through the array of indices and reverse the substrings accordingly
Ensure the range specified by each index is non-empty
Return the final string after all operations are completed
Round duration - 60 Minutes
Round difficulty - Easy
It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.
Interview Preparation Tips
Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes
Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role
Skills evaluated in this interview
I applied via Job Portal and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Oops Concepts,JAVA 8
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. How do you get the second to last element from a SQL table?
- Ans.
To get the second to last element from a SQL table, use the OFFSET-FETCH clause.
Use the ORDER BY clause to sort the table in descending order.
Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.
Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
6 Questions
- Q1. What is fan trap? How to solve it? Give one example.
- Ans.
Fan trap is a situation in which a query involving multiple tables results in a Cartesian product.
Fan trap occurs when a table is connected to multiple tables in a one-to-many relationship.
It can be solved by creating a bridge table or by using aggregate functions.
For example, if a customer table is connected to an orders table and a products table, a fan trap can occur when trying to retrieve information about custome...
- Q2. Two tables are joined. But joined type are not mentioned, then how much records will retrieve using select statement.
- Q3. How to use dynamic break in report?
- Ans.
Dynamic break in report allows for automatic page breaks based on data.
Define a break field in the report design
Set the break field to trigger a page break when its value changes
Use dynamic break to automatically adjust page breaks based on data
Example: A report on sales by region can use dynamic break to create a new page for each region
- Q4. Use of foreach function in report.
- Ans.
Foreach function is used to iterate through an array of strings in a report.
Foreach function is used to loop through each element in an array of strings.
It can be used to display each element in a report.
Example: foreach(string item in stringArray){ Console.WriteLine(item); }
- Q5. What is Aggregate awareness? When we use it? Syntax of it.
- Ans.
Aggregate awareness is a feature in Business Objects that allows reports to be optimized for performance by using aggregate tables.
Aggregate awareness is used when creating reports in Business Objects
It allows the report to use aggregate tables instead of detailed tables for improved performance
Syntax: AGGR_AWARE(
, , )
Example: AGGR_AWARE(Product, Sum(Sales), Sales_Fact_Table)
Answered by AIAdd your answer- Q6. @prompt function syntax and it's use.
- Ans.
The @prompt function syntax is used to display a prompt message to the user and receive input.
The syntax is @prompt('message', 'default value')
The message is the prompt message to be displayed to the user
The default value is optional and will be displayed in the input field
The function returns the value entered by the user
Answered by AIAdd your answer Interview Questionnaire
1 Question
- Q1. Drupal data migration
Add your answer Interview Questionnaire
1 Question
- Q1. About the SDLC
Add your answerInterview Preparation Tips
Interview preparation tips for other job seekers - Very nice Mercer Interview FAQsHow many rounds are there in Mercer Principal Engineer interview?Mercer interview process usually has 1 rounds. The most common rounds in the Mercer interview process are Technical.How to prepare for Mercer Principal Engineer interview?Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Mercer. The most common topics and skills that interviewers at Mercer expect are Oracle E - business Suite, Java, Python, Oracle Apps and AWS.Tell us how to improve this page.
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Mercer Principal Engineer Interview Process
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