Technology Lead Interview Questions

689 technology lead interview questions shared by candidates

1. What is the difference between Javascript and Typescript. 2. White board interview on the real time scenarios where theye have asked me to write down all the positive and negative scenarios and later optimize them. 3. Java program to find the first non repeating character in a string.
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Technology Lead

Interviewed at EdgeVerve Systems

3.5
Jun 7, 2024

1. What is the difference between Javascript and Typescript. 2. White board interview on the real time scenarios where theye have asked me to write down all the positive and negative scenarios and later optimize them. 3. Java program to find the first non repeating character in a string.

1) Tell me about yourself, profile ad what are your day to day activities 2) How do you ingest incremental data in hadoop 3) what are the key differences in bucketing and partitioning when to use what 4) what kind of file formats you used 5) what is the significance of each file format 6) Scenario based, when joining two tables, table1 table2 id value id value 1 30 1 30 1 40 1 40 2 20 1 20 2 60 2 10 3 50 2 50 3 70 So the question was, when i join table1 with table2 (left join) then how many records will I get? Second question: when i join table 2 with table1 (right join) how many records will I get? Second Round L2: 1) Tell me about yourself 2) what if my production job is taking longer time that expected and customer delivery is missed which was supposed to be made on time, what will you do 3) What are the optimization techniques in hive 4) how will you handle scd type 2 in hive 5) How to remove duplicates from hive table if you received duplicate records from sqoop, how will you handle it while ingestion
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Technology Lead

Interviewed at Datametica

3.4
Jan 12, 2021

1) Tell me about yourself, profile ad what are your day to day activities 2) How do you ingest incremental data in hadoop 3) what are the key differences in bucketing and partitioning when to use what 4) what kind of file formats you used 5) what is the significance of each file format 6) Scenario based, when joining two tables, table1 table2 id value id value 1 30 1 30 1 40 1 40 2 20 1 20 2 60 2 10 3 50 2 50 3 70 So the question was, when i join table1 with table2 (left join) then how many records will I get? Second question: when i join table 2 with table1 (right join) how many records will I get? Second Round L2: 1) Tell me about yourself 2) what if my production job is taking longer time that expected and customer delivery is missed which was supposed to be made on time, what will you do 3) What are the optimization techniques in hive 4) how will you handle scd type 2 in hive 5) How to remove duplicates from hive table if you received duplicate records from sqoop, how will you handle it while ingestion

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