I applied online. I interviewed at F5 (Seattle, WA) in Dec 2025
Interview
I went through a manager screen, followed by three rounds of developer-led technical interviews. There was one coding challenge, one proxy config design challenge, and one general experience conversation. The interview process was spread over three days due to scheduling constraints.
Interview questions [1]
Question 1
Implement a circular buffer in the language of your choice. Explain the trade-offs of using a circular buffer vs other data structures.
The process took 3 weeks. I interviewed at F5 (New Delhi)
Interview
First hacker rank test with 5 questions.5 rounds of interview.all technical except the culture fit round.
Questions were really good.
The hr process is unprofessional.They hardly revert back to your queries.
Still in negotiation.
Interview questions [1]
Question 1
1.Dictionary implementation.(use tries ds)
2.Ds and algo qs like subarray sum but find all the pairs.even all overlapping pairs.
3.Intersection of two linked list problem.
4.prime number with optimized solution
a lot of Java 8 qs.
5.A DP question.
Microservices and spring.
docker and Kubernetes kind related.
how to mention number of replica in Kubernetes.
2 puzzles.10 bag ,1000 1 re coins and total lines (vertex to vertex) in a hexagon