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      [24]7.ai

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      [24]7.ai interviews[24]7.ai Senior Software Development Engineer In Test interviews[24]7.ai interview


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      Senior Software Development Engineer In Test Interview

      May 1, 2018
      Anonymous Interview Candidate
      Bengaluru
      No offer
      Positive experience
      Difficult interview

      Application

      I applied in-person. The process took 1 day. I interviewed at [24]7.ai (Bengaluru) in Apr 2018

      Interview

      I personally reached out to the recruiter via LinkedIn. He was kind enough to go through my resume and scheduled the phone screening and rescheduled my onsite interview as well. The person was very helpful and professional enough to update the status of my candidature until the last round. It is a very good company to join. The role Senior SDET is a handsome responsibility for a data platform team who works completely on the backend. All the weight goes to the SQL queries you write. Because it is a backend team again and there are no excuses for half-cooked concepts. Prepare hard, like super hard, you can crack this interview. Most importantly prepare the questions which I've posted here first.

      Interview questions [4]

      Question 1

      Phone Screening: 1. Brief about yourself - The current team and the daily task you carry about. 2. Automation Framework - API - Data Driven Framework - Java, Rest Assured, TestNG, Org.simple.JSON; UI - Data Driven Framework - Java, Selenium Webdriver, POM Design Principle, TestNG. 3. How would you disable one JSON key-value pair in your framework - By not setting the value of the JSON key-value pair in my automation framework 4. Which has better performance - Where clause or Having clause? 5. Difference between Inner Join, Outer Join, and Full Join 6. Difference between POST and PUT 7. When a log file is updating what command you would use to check the logs - tail -10f command 8. What is ps -ef | grep java (process name) is exactly doing? 9. How would you kill a process - kill -9 PID 10. What is internationalization and how did you perform your automation? 11. What all the CRUD operations you performed in your automation? 12. How will you connect from your local machine to server - Key authentication 13. Difference between hard assert and soft assert
      Answer question

      Question 2

      Round1: F2F 1. Brief About myself. 2. What is the difference between HashMap, Hashtable and ConcurrentHashMap? 3. How's HashMap internally implemented? 4. How's key method overridden? 5. How will you kill a process? 6. How will you check a process is running on a server? 7. How will you see the updating logs? 8. How does Garbage Collection Work in Java?
      Answer question

      Question 3

      Round 3: F2F 1. Brief About myself. 2. Java Program to Sort students marks. If their marks are the same sort them by their names in alphabetical order. 3. Java Program to read a file and print the duplicated words with their count. 4. SQL Query to group the employee id by their departments and sort them in descending order by their department id. 5. SQL Query to find the managers of the employees where the employee id, employee name, and the manager id is given. 6. How will you feed the values of JSON requests of POST type for an API without reading excel sheet or Database - By the response of other APIs interacting to the current API. 7. How will you supply the value of the current response to the other API's input? 8. For a site like Amazon, how will you validate a search result which gives 1000s of results? 9. What is the difference between Inner Join and Self Join? Can you perform an inner join in the same table?
      Answer question

      Question 4

      Round 4: F2F 1. Brief about myself. 2. What is a deadlock? Give a real-time example 3. What is multithreading? 4. How do threads communicate each other? 5. Given a sentence reverse the entire sentence including their letters in their words - O(n^2) is highly discouraged. 6. Design a framework for the below requirements [Explained the Data Driven Framework] - Read the raw data from - Excel or DB - Process the raw data. - Once processed call the Business Logic. - Once Business Logic is completed call the Report Generation. - After Report has been generated, display the result in a good format. For the above requirement Which framework would you use and why? If there's a future requirement to add or delete a particular task how will you handle it? - Task Manager will take care. 7. Difference between String, StringBuilder and StringBuffer. 8. Where does a String gets initialized if you declare it with null?
      Answer question
      1

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