Java Tech Lead Interview Questions

93 java tech lead interview questions shared by candidates

I'm writing it to share my experience with Bairesdev recruitment. Last year April/May I applied on Linkedin for a Java position. Instantly, I was invited for online tests. After finishing there was introductory interview with recruiter. Then they arranged a technical interview. After this interview there was communication from Bairesdev time to time asking me if I was still available or not, they may call me anytime. In the meantime, recruiter changed, I was introduced to new recruiter. As it was already quite long time, I inquired about it in February. I received instant reply from a new recruiter, he said I was in queue getting a call soon. Then the pandemic started and I thought this process may get late. However, I again contacted on September and that same guy from last communication told me that I have to apply for Bairesdev job again. So then I looked for some suitable openings from Bairesdev on Linkedin and sent mail to their jobs mail and received invite for same tests that I went through last year. I explained in reply that I already completed this process last year and was waiting to be hired. If they want to further check my skills, they can give me some assignments/tasks, what's the point going the same process again. The guy repeated the same thing in reply that I have to go through those same tests. Finally, I decided to quit. The whole story is now almost one and half year long. So, I would request people to be cautious, it may turn out to be waste of valuable time. Thanks
avatar

Java Tech Lead

Interviewed at BairesDev

4.2
8 Oct 2020

I'm writing it to share my experience with Bairesdev recruitment. Last year April/May I applied on Linkedin for a Java position. Instantly, I was invited for online tests. After finishing there was introductory interview with recruiter. Then they arranged a technical interview. After this interview there was communication from Bairesdev time to time asking me if I was still available or not, they may call me anytime. In the meantime, recruiter changed, I was introduced to new recruiter. As it was already quite long time, I inquired about it in February. I received instant reply from a new recruiter, he said I was in queue getting a call soon. Then the pandemic started and I thought this process may get late. However, I again contacted on September and that same guy from last communication told me that I have to apply for Bairesdev job again. So then I looked for some suitable openings from Bairesdev on Linkedin and sent mail to their jobs mail and received invite for same tests that I went through last year. I explained in reply that I already completed this process last year and was waiting to be hired. If they want to further check my skills, they can give me some assignments/tasks, what's the point going the same process again. The guy repeated the same thing in reply that I have to go through those same tests. Finally, I decided to quit. The whole story is now almost one and half year long. So, I would request people to be cautious, it may turn out to be waste of valuable time. Thanks

How and when do you secure data (login credentials) for phone / internet App in a Multi-tier Application. LRU cache implementation in Java. How can you find median of million numbers using multiple nodes - basically Merge Sort algorithm - How HashMap works internally in Java. Design database table/tables to store family tree and relations. A service depends on 2 sets of data from 2 different databases, but 1 database is lagging few seconds. Solve the use case. Explain one challenging task in you last project and how did you solve it.
avatar

Java Tech Lead

Interviewed at Oportun

3.7
5 May 2016

How and when do you secure data (login credentials) for phone / internet App in a Multi-tier Application. LRU cache implementation in Java. How can you find median of million numbers using multiple nodes - basically Merge Sort algorithm - How HashMap works internally in Java. Design database table/tables to store family tree and relations. A service depends on 2 sets of data from 2 different databases, but 1 database is lagging few seconds. Solve the use case. Explain one challenging task in you last project and how did you solve it.

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