After sending an application online I received a Hacker rank link with leetcode style questions (1 easy 2 medium I would say) and Multiple choice questions on machine learning related topics
Domande di colloquio [1]
Domanda 1
1. Which data structures can be erased from its beginning and end in O(1) time? 1. Deque 2. Vector 3. Segmented tree
Ho presentato la mia candidatura online. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso C3 AI (Redwood City, CA) nel mese di gen 2025
Colloquio
A mail with a hackerrank coding questions. There was 3 leetcode style question (1 easy and 2 medium I would say), and a multiple choice question part with plenty of machine learning related questions
Domande di colloquio [2]
Domanda 1
What kind of metric is used to build a decision tree ?
They schedule 30 mins of the first round with one of their senior data scientist. I think then move to onsite if they give a pass. The first round is not techinical, they want to check your explainability because one of their important jobs is to explain how the ML model works to the customers.
Domande di colloquio [1]
Domanda 1
Can you explain how the Gradient Boost model works?
