
Mercer Software Engineer Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 42 interview experiences · FREE TO READ
Candidate interview experiences
First-hand accounts from people who interviewed at Mercer.
Software Engineer
I went through two rounds of interviews, but honestly, the recruiter didn't seem to be taking it that seriously. After finishing the second round, I haven't heard anything back or gotten any feedback at all. It's been pretty disappointing and feels unprofessional with this lack of communication.
- Can you walk me through a system design scenario?
Software Engineer
They asked a system design question about designing an API and how to communicate with backend services. After I struggled with it, the interviewer shifted the topic to discuss a difficult project I had worked on recently.
- Can you design an API and explain how it communicates with various backend components?
- Tell me about a difficult project you've completed recently.
Software Engineer
The interview started with questions about my project, which was on REST. We discussed typical REST questions like why and how to use it. Then, I was asked to design a REST API for a part of my project. A significant part involved designing an Uber Cab service, specifically handling a scenario with 5 lakh drivers sending requests concurrently. I explained how to manage this efficiently using concepts like Load Balancers, Sharding, and Master-Slave configurations, which seemed to be well-received. Finally, I had to write code from front-end to back-end for a driver's location update request using technologies like JavaScript, Ajax, JSON, jQuery, Servlets, and MySQL. I wrote about 2 pages of code, and the interviewer was satisfied.
- What are your thoughts on SQL Queries?
- Can you discuss ASP.NET?
- Tell me about C#.
Mercer Software Engineer Interview Questions
Quoted word for word from Mercer interview reports.
“Write a function to remove consecutive duplicate characters from a string.”
Read reports →“Can you estimate the total number of petrol pumps in India?”
Read reports →“What's the difference between the MSCI ACWI and MSCI World Index?”
Read reports →“What is the difference between a connected lookup and an unconnected lookup?”
Read reports →“Could you tell me the output for the SQL query `select 8 from table`?”
Read report →“How can error details be retrieved without needing to examine the Informatica log?”
Read report →“What is the logic behind the '&&' condition?”
Read report →“What are the authentication and security features in .net?”
Read report →“Can you explain what filters are in MVC?”
Read report →Formats, difficulty and experience
Across all 42 Mercer interview reports.