Forest Interview Questions

4,244 forest interview questions shared by candidates

2. System Design Round (90 mins) They ask to design an internal developer portal that establishes a fully automated, version-control CI/CD pipeline at scale. It basically involves designing the Internal developer, I started with requirements, non-funtional requirements, entities in system, I started with API design but they said it's okay to skip, and high level design. I started with Component-Based Design where I drawn frontend, CLI, API Gateway, catalog services, ... and all other components of the developer portal But they were interested in detailed CI/CD pipeline steps. This is where I screwed up; I caught the hint much later in the interview when there were 10 mins left, and I quickly drawn CI pipeline and a CD pipeline, but wasn't able to explain each step in the CD pipeline in detail. They wanted a more comprehensive Workflow and Operational design of CI/CD pipeline instead of a component-based design of the internal developer portal. Since I didn't complete the design, I was ruled out of the interview
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Senior Software Engineer for DevX

Interviewed at Revolut

4
Jun 5, 2026

2. System Design Round (90 mins) They ask to design an internal developer portal that establishes a fully automated, version-control CI/CD pipeline at scale. It basically involves designing the Internal developer, I started with requirements, non-funtional requirements, entities in system, I started with API design but they said it's okay to skip, and high level design. I started with Component-Based Design where I drawn frontend, CLI, API Gateway, catalog services, ... and all other components of the developer portal But they were interested in detailed CI/CD pipeline steps. This is where I screwed up; I caught the hint much later in the interview when there were 10 mins left, and I quickly drawn CI pipeline and a CD pipeline, but wasn't able to explain each step in the CD pipeline in detail. They wanted a more comprehensive Workflow and Operational design of CI/CD pipeline instead of a component-based design of the internal developer portal. Since I didn't complete the design, I was ruled out of the interview

Nothing of any value really stands out - perhaps, "give us three adjectives that your friends would use to a describe you" - sort of funny, I saw a question like that on a online dating site once.
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High School STEAM Instructor for Computer Science/Robotics/Maker Education

Interviewed at The Solomon Schechter School of Westchester

3
Jun 22, 2016

Nothing of any value really stands out - perhaps, "give us three adjectives that your friends would use to a describe you" - sort of funny, I saw a question like that on a online dating site once.

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