I applied through college or university. I interviewed at SLB (Londres, Inglaterra) in Nov 2017
Interview
HR phone interview first asking about their 3 core values: profit, technology and people. And then a face to face interview with a software engineer asking about C++ concepts and then with senior researcher. At the end of the day I had to present a presentation on a topic I have recently been working on.
I applied through a recruiter. I interviewed at SLB
Interview
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.
Interview questions [1]
Question 1
They asked to write an algorithm to detect a palindrome.
I applied online. The process took 1 week. I interviewed at SLB (Urbana, IL) in Oct 2025
Interview
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
I applied online. I interviewed at SLB in Oct 2025
Interview
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.
Interview questions [2]
Question 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.