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Amazon Transportation Services Software Developer Interview Questions and Answers
Amazon Transportation Services Software Developer Interview Experiences
1 interview found
Suryansh Nigam
30 min .. time, speed, distance
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.
- 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
- 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...
Interview Preparation Tips
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...
- 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...
- 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 ...
Interview Preparation Tips
Skills evaluated in this interview
(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
Skills evaluated in this interview
IamAK
(1 Question)
- Q1. Ask to find out count occurrences of anagram
Shivani Adimulam
(1 Question)
- Q1. Writtern test related to coding
(1 Question)
- Q1. Questions related node js and sql
(1 Question)
- Q1. Scenarios based questions, technical discussion
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
(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
- Q2. Project related questions.
Software Developer Interview Questions & Answers
Shadowfax Technologies
Anonymous
posted on 13 Mar 2024
Selected
I was interviewed before Mar 2023.
(1 Question)
- Q1. Questions on Django middleware, models and queries
(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
(1 Question)
- Q1. Round with CTO, mostly behavioural and expected pay
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Shadowfax Technologies
Praveen Nagar
posted on 19 Nov 2024
Selected
I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.
The basic questions asked in an interview .
DP, graph, and array questions asked in 2nd round also asked my company project
Interview Preparation Tips
Software Developer Interview Questions & Answers
Shadowfax Technologies
Anonymous
posted on 23 Aug 2024
(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
- 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
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Amazon Transportation Services Interviews By Designations
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Amazon Transportation Services Software Developer Interview Process
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Amazon Transportation Services Software Developer Reviews and Ratings
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Associate
492
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Team Lead
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Process Associate
367
salaries
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Supervisor
235
salaries
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Team Lead Operations
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