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86 tooling engineer interview questions shared by candidates

Which 3 parts of the Adyen formula are your favourite? Why do you want to join Adyen? How would you modify your solution to be multithreaded? Which Java data structures are thread-safe? How would you test your query for performance? How does PostgreSQL run a query at the low level?
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Early Career Java Tooling Engineer

Interviewed at Adyen

3.7★
Oct 9, 2022

Which 3 parts of the Adyen formula are your favourite? Why do you want to join Adyen? How would you modify your solution to be multithreaded? Which Java data structures are thread-safe? How would you test your query for performance? How does PostgreSQL run a query at the low level?

Technical Exam : was 40 mcq about OOP , C# , Desgin Patterns , C++ ( Average but needs studying) time 2 Hours English Exam: 30 mcq about an english paragraph and you are required to write 10 lines paragraph about some topic ( difficulty level depends on your English knowledge) 1:30 Hours Technical Interview: was the best of all interviewers were friendly and helpful they asked me about my experiences and discussed different architectures of a design I developed in my past experience then they asked stuff about the memory and the difference between object and a class and what is the memory consumed having 2 objects of class with 2 integers each and the different between static and non static data and in the end of the interview they gave me a problem to solve and write down the code the problem is how to convert sorted array to a pyramid array ( Hard but very fun and enjoyable interview) time 1:30 Hours HR Interview : just the normal hr interview questions why valeo what is your weakness ..etc time 30 Minutes Pre-Final Interview : was with the head department in R&D what is you are interested in working with is it okay to work more than 8 hours is it okay to be living far away rate your self in programming languages (easy and the guy was friendly ) took exactly 5 minutes . Final Interview : was with the director of R&D he was trying to understand my personality asked questions like why valeo then why you .. etc ( I was rejected in this final interview for a specific reason which is he thought I might leave the company and travel abroad anytime)
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Software Tooling Engineer

Interviewed at Valeo

3.8★
Jun 3, 2015

Technical Exam : was 40 mcq about OOP , C# , Desgin Patterns , C++ ( Average but needs studying) time 2 Hours English Exam: 30 mcq about an english paragraph and you are required to write 10 lines paragraph about some topic ( difficulty level depends on your English knowledge) 1:30 Hours Technical Interview: was the best of all interviewers were friendly and helpful they asked me about my experiences and discussed different architectures of a design I developed in my past experience then they asked stuff about the memory and the difference between object and a class and what is the memory consumed having 2 objects of class with 2 integers each and the different between static and non static data and in the end of the interview they gave me a problem to solve and write down the code the problem is how to convert sorted array to a pyramid array ( Hard but very fun and enjoyable interview) time 1:30 Hours HR Interview : just the normal hr interview questions why valeo what is your weakness ..etc time 30 Minutes Pre-Final Interview : was with the head department in R&D what is you are interested in working with is it okay to work more than 8 hours is it okay to be living far away rate your self in programming languages (easy and the guy was friendly ) took exactly 5 minutes . Final Interview : was with the director of R&D he was trying to understand my personality asked questions like why valeo then why you .. etc ( I was rejected in this final interview for a specific reason which is he thought I might leave the company and travel abroad anytime)

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