MTS-2 Software Engineer Interview Experience - Sunnyvale, California
September 22, 2025
Positive ExperienceGot Offer
Process
2 coding interviews
- simple coding exercise that became quite difficult with added constraints
- write a log aggregator that will take a log line and returns the most used verb (GET/PUT/POST/DELETE) in the 5 minute interval
2 project Deep dives
- how would you redesigned the system you had designed but with extra constraints (interviewer added bunch of new constraints for my old project)
- project deep dive with questions on why each key decision was made and what were the challenges with building the system
Questions
I was asked a question quite similar to designing an LRU cache.
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Interview Statistics
The following metrics were computed from 2 interview experiences for the Illumio MTS-2 Software Engineer role in Sunnyvale, California.
Success Rate
50%
Pass Rate
Illumio's interview process for their MTS-2 Software Engineer roles in Sunnyvale, California is fairly selective, failing a large portion of engineers who go through it.
Experience Rating
Positive50%
Neutral0%
Negative50%
Candidates reported having mixed feelings for Illumio's MTS-2 Software Engineer interview process in Sunnyvale, California.
Illumio Work Experiences
1.0
Going downhill fast
Engineer • Current Employee
Sunnyvale, California
May 11, 2026
Pros: A good way to learn about security is through practice.
Cons: They are shedding highly paid staff as fast as they can.
5.0
Awesome place to work at!
Software Test Engineer • Current Employee
Sunnyvale, California
October 7, 2019
Pros: The environment I work feeling like a family. It's hard to describe how awesome this place is. I put it this way: I left the top 10, multi-year "best company to work for" and came to Illumio years ago, and still here.
Cons: Any place will have cons, including the 'best company to work for', as long as the cons are not strong enough to leave.
5.0
Great company with exceptional engineers
Software Developer • Current Employee
Sunnyvale, California
January 5, 2022
Pros: The team has super smart engineers and product management.
Cons: The company is growing so the small issues are expected and normal.
- 1.0Going downhill fastEngineer • Current EmployeeSunnyvale, CaliforniaMay 11, 2026Pros: A good way to learn about security is through practice.Cons: They are shedding highly paid staff as fast as they can.
- 5.0Awesome place to work at!Software Test Engineer • Current EmployeeSunnyvale, CaliforniaOctober 7, 2019Pros: The environment I work feeling like a family. It's hard to describe how awesome this place is. I put it this way: I left the top 10, multi-year "best company to work for" and came to Illumio years ago, and still here.Cons: Any place will have cons, including the 'best company to work for', as long as the cons are not strong enough to leave.
- 5.0Great company with exceptional engineersSoftware Developer • Current EmployeeSunnyvale, CaliforniaJanuary 5, 2022Pros: The team has super smart engineers and product management.Cons: The company is growing so the small issues are expected and normal.
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