I applied through an employee referral. I interviewed at ArcBest (Fort Smith, AR) in Jul 2023
Interview
First round is Online Assessment with 8 questions 5 MCQ's and 3 coding questions. Second round is a Technical round where they go through your resume and projects did in the past
Interview questions [1]
Question 1
Q1: Question based on Graph theory and focused on path planning algorithms like A*, Dijkstra bi-directional.
I applied online. The process took 3 weeks. I interviewed at ArcBest (Arkansas City, AR)
Interview
There were 2 stages in interview.
1. HackerRank (c++ and robotics questions)
2. 1 hr technical interview
The coding round was all about c++ and leetcode style question. Technical inteview was all about robotics, especially SLAM (EKF)
Interview questions [1]
Question 1
C++: OOPs concept and usage in previous projects
SLAM: What is SLAM?, explain all about the particle filter slam, explain Kalmann filter, EKF, UKF and fine details and mathematics behind EKF.
First is the Phone interview
Second, were A few programming questions, and the programming questions has time limitation and need to turn on the camera. Questions are hard and seems not for entry level engineer.