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Amazon Transportation Services Software Developer Interview Questions and Answers

Updated 6 Jun 2024

Amazon Transportation Services Software Developer Interview Experiences

1 interview found

Software Developer Interview Questions & Answers

user image Suryansh Nigam

posted on 6 Jun 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

30 min .. time, speed, distance

Round 2 - Coding Test 

Normal easy qus via leetcode

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What is diameter of Binary Tree? Write full working code.
  • Ans. 

    Diameter of a binary tree is the longest path between any two leaf nodes.

    • Calculate the height of left and right subtrees recursively.

    • Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).

    • Return the maximum diameter.

  • Answered by AI
  • Q2. Find interchanged terms from an AP, where terms are arranged in series
  • Ans. 

    To find interchanged terms from an AP series

    • Identify the common difference between terms

    • Swap the positions of adjacent terms

    • Check if the new series is also an AP

    • Repeat until no more interchanged terms can be found

  • Answered by AI
  • Q3. Explain database indexing
  • Ans. 

    Database indexing is a technique to improve the performance of database queries.

    • Indexing creates a data structure that allows for faster retrieval of data.

    • Indexes are created on one or more columns of a table.

    • Queries that use indexed columns can be executed faster.

    • Indexes can be clustered or non-clustered.

    • Clustered indexes determine the physical order of data in a table.

    • Non-clustered indexes create a separate structure...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on basic data structures, operating systems and database.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Design a stack that support getmin in O(1) time and O(1) space complexities
  • Ans. 

    Design a stack that supports getmin in O(1) time and O(1) space complexities.

    • Use two stacks, one for storing the actual values and the other for storing the minimum values.

    • When pushing a new value, check if it is smaller than the current minimum value and push it to the minimum stack if it is.

    • When popping a value, check if it is the current minimum value and pop it from the minimum stack if it is.

    • To get the minimum val...

  • Answered by AI
  • Q2. Questions related OS and DBMS
  • Q3. Binary tree traversal
  • Ans. 

    Binary tree traversal is the process of visiting each node in a binary tree exactly once in a specific order.

    • There are three main types of binary tree traversal: inorder, preorder, and postorder.

    • Inorder traversal visits the left subtree, then the root, then the right subtree.

    • Preorder traversal visits the root, then the left subtree, then the right subtree.

    • Postorder traversal visits the left subtree, then the right subt...

  • Answered by AI
  • Q4. LRU cache explanation
  • Ans. 

    LRU cache is a data structure that stores the most recently used items and discards the least recently used items.

    • LRU stands for Least Recently Used

    • It has a fixed size and when the cache is full, the least recently used item is removed to make space for a new item

    • It uses a combination of a doubly linked list and a hash map to achieve O(1) time complexity for both insertion and deletion

    • Example: A web browser cache that ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good with your programming skills and fundamentals.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Nodejs life cycle
  • Q2. Promise in nodejs
  • Ans. 

    Promise in Node.js is an object representing the eventual completion or failure of an asynchronous operation.

    • Used to handle asynchronous operations in a more readable and manageable way

    • Can be in one of three states: pending, fulfilled, or rejected

    • Can be chained together to handle multiple asynchronous operations sequentially

    • Example: fetching data from a database using a promise-based API

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Ask to find out count occurrences of anagram
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Writtern test related to coding
Round 2 - Technical 

(1 Question)

  • Q1. Questions related node js and sql
Round 3 - Technomangerial round 

(1 Question)

  • Q1. Scenarios based questions, technical discussion
Interview experience
3
Average
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Introduce yourself.
  • Ans. 

    I am a software developer with 5 years of experience in Java and Python.

    • Experienced in Java and Python programming languages

    • Worked on various projects involving web development and data analysis

    • Familiar with Agile methodologies and version control systems like Git

  • Answered by AI
  • Q2. Project related questions.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Mar 2023.

Round 1 - Technical 

(1 Question)

  • Q1. Questions on Django middleware, models and queries
Round 2 - Technical 

(1 Question)

  • Q1. Design an algorithm to efficiently to send office bus to all location in the city
  • Ans. 

    Use a greedy algorithm to send the office bus to all locations in the city efficiently.

    • Start from the office location and pick the nearest location to visit next.

    • Continue picking the nearest unvisited location until all locations are covered.

    • Repeat the process until all locations are visited.

    • Consider using Dijkstra's algorithm or a similar approach for finding the nearest location.

    • Optimize the route by considering traf

  • Answered by AI
Round 3 - One-on-one 

(1 Question)

  • Q1. Round with CTO, mostly behavioural and expected pay

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

The basic questions asked in an interview .

Round 2 - Coding Test 

DP, graph, and array questions asked in 2nd round also asked my company project

Interview Preparation Tips

Interview preparation tips for other job seekers - please prepare for the DSA and system design round and basic computer concept
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Tell what is your name
  • Ans. 

    My name is John Smith.

    • Full name is John Smith

    • Common name in English-speaking countries

    • No middle name or initial

  • Answered by AI
  • Q2. What do you do in free time
  • Ans. 

    In my free time, I enjoy hiking, playing video games, and learning new programming languages.

    • Hiking in local trails and national parks

    • Playing video games like Overwatch and Minecraft

    • Learning new programming languages like Python and JavaScript

  • Answered by AI

Amazon Transportation Services Interview FAQs

How many rounds are there in Amazon Transportation Services Software Developer interview?
Amazon Transportation Services interview process usually has 2 rounds. The most common rounds in the Amazon Transportation Services interview process are Aptitude Test and Coding Test.

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Amazon Transportation Services Software Developer Interview Process

based on 1 interview

Interview experience

3
  
Average
View more
Amazon Transportation Services Software Developer Salary
based on 9 salaries
₹5.6 L/yr - ₹11.6 L/yr
22% more than the average Software Developer Salary in India
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Amazon Transportation Services Software Developer Reviews and Ratings

based on 2 reviews

3.6/5

Rating in categories

3.6

Skill development

3.6

Work-life balance

3.8

Salary

3.6

Job security

3.6

Company culture

3.6

Promotions

3.6

Work satisfaction

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