Sumo Logic | Senior Software Engineer Interview

I interviewed for a Senior Software Engineer role at Sumo Logic. I have four years of experience.

The Interview Process

Round 1 - Online Assessment

The process started with an OA containing two DSA problems:

The focus was on solving the problems efficiently and getting the implementation right within the given time.

Round 2 - HLD: Job Scheduler

The second round was focused entirely on High-Level Design. The problem was to design a Job Scheduler.

What made this round interesting was the depth of the discussion. It wasn't just about drawing the architecture and moving on. Almost every component I proposed was followed by questions like:

• Why did you choose this component?

• What alternatives could be used?

• Why is your choice better for this particular requirement?

• What would change if the scale or requirements changed?

So, understanding the reasoning and trade-offs behind every design decision was more important than simply knowing the components.

Round 3 - LLD + AI-Assisted Coding

The third round was an LLD round, but with an interesting twist. I was asked to use an AI assistant to implement the LLD problem.

The interviewer was not primarily evaluating how much code I could write. The focus was more on:

• Understanding the requirements

• Structuring the solution properly

• Choosing appropriate design patterns

• Reviewing and reasoning about the AI-generated implementation

• Explaining why the design made sense

So, the important part was being able to understand and drive the design rather than blindly relying on the AI assistant.

Round 4 - Techno-Managerial

The final round lasted around 1.5 hours and was a deep dive into my previous experience.

A significant portion of the discussion revolved around my past projects, along with various software engineering and HLD topics.

There was also a behavioral component. Some of the areas discussed included:

• How I handle conflicts

• How I approach code reviews

• Things I have done to improve engineering processes

• The most technically challenging problem I have solved

• Architectural and technical decisions from my previous projects

This round was more conversational but went quite deep into both my technical experience and how I approach engineering problems.

Verdict

Selected.

Overall, the process covered a good mix of DSA, HLD, LLD, AI-assisted coding, software engineering practices, and behavioral discussions. For the senior-level rounds, being able to explain the reasoning behind technical decisions was especially important.