I applied through a staffing agency. The process took 2 weeks. I interviewed at Optum (Dublin, Dublin) in Sept 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.
Total 3 rounds of interview. 2 Technical and 1 Manager round. After 3 rounds HR package discussion will happen. Over all the interview process is bit difficult. Give 30 words
Firstly, they check your problem solving skills. Then they check your domain technical knowledge, in my case they asked questions related to java and microservices. Then they ask questions related to the recent project u had worked on. Also asked questions from kafka and DBMS.
The have online code signal round which is ai powered round. 4 questions ie 3 api to be build and build one rate limiter . Not sure how the scoring works but hard to crack
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