Talked to an employee at campus career fair, then got R1 interview, which is a series of behavior questions. Candidates need to record video for these questions. After R1, they sent a hackerank coding challenge.
Domande di colloquio [1]
Domanda 1
why choose Schlumberger?
Tell me about a most recent project you have done
Ho presentato la mia candidatura tramite un selezionatore. Ho sostenuto un colloquio presso SLB
Colloquio
There was a phone screen with the hiring manager that was mostly behavioral. The next round was an on site with 4 people (all engineers) and a group interview to end the day.
Domande di colloquio [1]
Domanda 1
They asked to write an algorithm to detect a palindrome.
Ho presentato la mia candidatura online. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso SLB (Urbana, IL) nel mese di ott 2025
Colloquio
Leetcode problems within 45 mins.
I have done 2. The first one is easy.
The second one is middle, using the graph and DFS.
Also need to provide every solution's time and space complexity
Ho presentato la mia candidatura online. Ho sostenuto un colloquio presso SLB nel mese di ott 2025
Colloquio
I applied online; the interview was conducted by Karat Studio, which was a third party conducting technical interviews for SLB. The interviewer was quite friendly and explained the process pretty well.
Domande di colloquio [2]
Domanda 1
Asked three complexity and data structure application questions,
Graph-based LeetCode-style question, another follow-up with slightly higher difficulty. Be prepared to define classes/methods and run your own test cases.