I applied online. I interviewed at Optum (Gurgaon, Haryana) in Jan 2023
Interview
I went through only one round of interview. It was of 1 hr. Your techstack questions are asked in detail with edge cases. Then Javascript was asked for last 15 minutes. The interview went pretty well. But along with my tech skills, they are looking for typescript expert as well as jest expert.
Interview questions [1]
Question 1
-Component lifecycle method - functional and class based, - Access updated state in setInterval method - Redux flow - Generator functions - Async - await vs generators - How is redux saga implemented - How can we convert react native app to react js app
Mail invitation HR round for meeting setups Written test on paper, not online Food and snacks provided technical interview 1 technical interview 2 Manager round HR round --------------------------------------------------------------- Overall experience was good Tactical and strategical questions
I applied through a staffing agency. The process took 2 weeks. I interviewed at Optum (Dublin, Dublin) in Sep 2022
Interview
Overall the process took 2 weeks. First 30 mins call with Hiring Manager followed by 90 minutes Technical deep dive with Tech Lead and Senior Engineers. Tech round was comprised of three parts
1: CV run through and technologies used and projects worked.
2: Technical Questions and Situation based Questions
3: Collab Edit tasks(pair programming)
Interview questions [5]
Question 1
What design patterns are you familiar with? Which did you use in your project and why?
Why is Big O notation used? Example of O(n2) given an algorithm explain the best case scenario and its O notation and worst case scenario of O notation.