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Amazon Development Centre India Software Engineer Interview Questions and Answers
Amazon Development Centre India Software Engineer Interview Experiences
3 interviews found
Anonymous
(1 Question)
- Q1. Question about my experience
Medium and hard leetcode problem
KARAN NAIK
Selected
I applied via Campus Placement and was interviewed before Sep 2023. There were 3 interview rounds.
Aptitude Questions were quite very simple according to my skills set, might differ based on yours.
Basic questions regarding Data structures like Arrays, Reversing string were asked, further continued with few modifications in those questions itself
(2 Questions)
- Q1. Tell me about yourself and your background?
- Ans.
I am a software engineer with a background in computer science and experience in developing web applications.
Graduated with a degree in Computer Science
Worked as a software developer for 5 years
Proficient in programming languages such as Java, Python, and JavaScript
Experience in developing web applications using frameworks like React and Angular
- Q2. Why do you want to join Sony?
- Ans.
I want to join Sony because of their innovative technology, global presence, and reputation for excellence.
Sony is known for its cutting-edge technology and innovation in the electronics industry
I admire Sony's global presence and the opportunity to work on projects with a worldwide impact
Sony has a reputation for excellence and I want to be a part of a company that values quality and creativity
Selected
I applied via Referral and was interviewed before May 2023. There were 2 interview rounds.
It is very easy and it is Based on stream API
They asked questions based on case study
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Aditi
Selected
I was interviewed in Jan 2025.
(20 Questions)
- Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
- Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
- Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
- Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
- Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
- Q6. Describe the differences between checked and unchecked exceptions in Java. Provide examples and explain how to handle them properly.
- Q7. What is the Java Memory Model, and how does it affect multithreading and synchronization? How does volatile help ensure memory visibility?
- Q8. Can you explain the difference between method overloading and method overriding in Java? Provide examples where each should be used.
- Q9. What are functional interfaces in Java? How do they work with lambda expressions? Provide an example of a custom functional interface.
- Q10. What is a Java Stream, and how does it differ from an Iterator? Explain how Streams can be used to process collections efficiently.
- Q11. Explain the concept of immutability in Java. How does the String class achieve immutability, and what are the advantages of immutable objects?
- Q12. What is the difference between final, finally, and finalize in Java? Provide examples to illustrate their usage.
- Q13. Explain the Singleton design pattern in Java. How can you implement it safely to ensure thread safety?
- Q14. What are Java annotations, and how are they used in frameworks like Spring? Explain the difference between built-in and custom annotations.
- Q15. How do Java Streams handle parallel processing? What are the potential pitfalls of using parallel streams, and how can they be mitigated?
- Q16. Explain the difference between ArrayList and LinkedList in Java. ArrayList is implemented as a dynamic array, while LinkedList is a doubly linked list. ArrayList provides fast random access (O(1) complexi...
- Q17. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? The synchronized keyword ensures that only one thread can access a block of code at a time. It pr...
- Q18. What is the difference between == and .equals() in Java? == checks for reference equality, meaning it compares memory addresses. equals() checks for value equality, which can be overridden in user-defined...
- Q19. How does the Java garbage collector work? Garbage collection in Java automatically reclaims memory occupied by unused objects. The JVM has different types of GC algorithms, including Serial, Parallel, CMS...
- Q20. What are the main features of Java 8? Java 8 introduced lambda expressions, enabling functional-style programming. The Stream API allows efficient data processing with map, filter, and reduce operations. ...
(1 Question)
- Q1. Write a rest API which return employee data based on ID.
- Ans.
Create a REST API to retrieve employee data by ID
Use a GET request to /employees/{id} endpoint
Query the database for employee data based on the provided ID
Return the employee data in JSON format
Shubham Sharma
(1 Question)
- Q1. General DSA question leetcode style
(1 Question)
- Q1. Discussion on previous project
Logical reasoning, Quantitative aptitude
Array,Strings,DSA concepts like searching algorithm
It was a machine coding round
(2 Questions)
- Q1. Similar to the other question
- Q2. Give an array and an element sort the array with difference of that number to array elements
- Ans.
Sort an array of strings by the difference of a given element to each array element.
Iterate through the array and calculate the absolute difference between the given element and each array element.
Sort the array based on the calculated differences.
Return the sorted array.
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Stack based question Medium Difficulty DSA.
- Q2. Theory questions related Java, Spring, OOPs
(3 Questions)
- Q1. Medium-hard DSA question.
- Q2. Project related questions
- Q3. Design Patterns
(1 Question)
- Q1. Company fit questions
HIMANSHU
(1 Question)
- Q1. Based on linked list
(1 Question)
- Q1. Based in tree Data Structure
(1 Question)
- Q1. Based on the graph and one from aptitude
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Amazon Development Centre India Software Engineer Interview Process
based on 3 interviews
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Amazon Development Centre India Software Engineer Reviews and Ratings
based on 7 reviews
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| ₹2 L/yr - ₹6.5 L/yr |
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Senior Associate
867
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| ₹2.5 L/yr - ₹9.2 L/yr |
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Quality Specialist
649
salaries
| ₹3 L/yr - ₹7.1 L/yr |
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