Software Engineer Interview Experience - Sunnyvale, California
Process
Phone interview asked some questions regarding my resume.
Onsite interview took about 3 hours, asking a lot of questions about OS, C programming, and networking.
Overall, the process was faster than I expected.
Questions
Multithreading and concurrency.
Memory layout of a C program.
TCP implementation, like slow start and selective ack.
Basic L2, L3 load balancing strategies, like VRRP.
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Interview Statistics
The following metrics were computed from 3 interview experiences for the Fortinet Software Engineer role in Sunnyvale, California.
Success Rate
Fortinet's interview process for their Software Engineer roles in Sunnyvale, California is fairly selective, failing a large portion of engineers who go through it.
Experience Rating
Candidates reported having very good feelings for Fortinet's Software Engineer interview process in Sunnyvale, California.
Fortinet Work Experiences
- 4.0Secure Job, Slow PromotionsSoftware Engineer • Former EmployeeSunnyvale, California, United StatesAugust 14, 2025Pros: At this company, they have good job security.Cons: Pay is not high, though health benefits are good. Promotions are also slow.
- 2.0Ok for WLBSoftware Engineer • Former EmployeeSunnyvale, California, United StatesAugust 12, 2025Pros: Good work-life balance because there's no pressure from above.Cons: Bad work, because there's not much vision.
- 4.0Good Balance, Chinese ChatterSoftware Engineer • Former EmployeeSunnyvale, California, United StatesAugust 7, 2025Pros: Good work-life balance.Cons: Most engineers use Chinese in the office.
Fortinet Interview Questions
