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Lead Backend Developer Interview Questions

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12,393 lead backend developer interview questions shared by candidates

3-hour time limit take home problem. Started with a bare-bones template server, and was asked to implement some RESTful API endpoints. Did not receive the requirements until 15 mins before when I set up my timeslot to complete it. This was all managed by a private github repository they give you access to.
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Backend Developer

Interviewed at Chorus

4.7★
Mar 12, 2021

3-hour time limit take home problem. Started with a bare-bones template server, and was asked to implement some RESTful API endpoints. Did not receive the requirements until 15 mins before when I set up my timeslot to complete it. This was all managed by a private github repository they give you access to.

1.how to handle transaction double entry issues. 2.race condition on transactions 3.Hashmap, Hashtable, treemap, linkedhashmap 4.Garbage Collector ? 5.How do you check if both strings (st1, str2) are equal ? 6.Https vs http ?
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Backend Developer

Interviewed at BlackBuck

3.3★
May 6, 2021

1.how to handle transaction double entry issues. 2.race condition on transactions 3.Hashmap, Hashtable, treemap, linkedhashmap 4.Garbage Collector ? 5.How do you check if both strings (st1, str2) are equal ? 6.Https vs http ?

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