Amazon Sys Dev Engineer - 1 | 24th April

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Sys Dev Engineer
April 24, 20252 reads

Summary

I attended the first round interview for a Sys Dev Engineer role at Amazon after completing the Online Assessment, covering Data Structures & Algorithms, Database concepts, and Leadership Principles.

Full Experience

Hi guys , Atttended the round 1 interview of Sys Dev Engineer after the OA .

DSA :
Longest Palindrome substring
Valid Parenthesis

Database:
Inner join VS Outer Join
Write a Query to find out the count of subjects which have more than 70 marks order by subject asc.
name , subject , marks
raj maths 100
ram telugu 70

LP :

1. Tell me time where you took a decision without manager approval and how it effected .
2. Tell me a time where you took intiative to improved the existing service
3. Tell me time where you did the automation when the team is dependent on mannual task .

Interview Questions (7)

Q1
Longest Palindrome Substring
Data Structures & AlgorithmsMedium

Given a string s, find the longest palindromic substring in s.

Q2
Valid Parentheses
Data Structures & AlgorithmsEasy

Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.

Q3
Inner Join vs Outer Join
Other

Explain the difference between INNER JOIN and OUTER JOIN.

Q4
SQL Query: Subjects with Marks > 70
Other

Write a SQL query to find out the count of subjects which have more than 70 marks, ordered by subject ascending. The table schema is name, subject, marks. Example data: raj maths 100, ram telugu 70.

Q5
Decision without Manager Approval
Behavioral

Tell me a time where you took a decision without manager approval and how it effected.

Q6
Initiative to Improve Service
Behavioral

Tell me a time where you took initiative to improved the existing service.

Q7
Automation of Manual Task
Behavioral

Tell me a time where you did the automation when the team is dependent on manual task.

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