Fresh Node JS Developer Interview Questions and Answers

OA test 3 Dsa questions 2 medium 1 hard you have to solve 1.5 questions in 120 minutes

Q1. DSA Round Astreoid collision leetcode
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Q2. Dp question based on exclusion and inclusion
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DSA 2 question
1 -> Find Lca and traverse a tree path available on GFG
2 -> LinkedList pallindrome check (you have to solve that in 0(1) space complexity)

Q1. Why Amazon Software Developer?
Ans. 
Amazon offers challenging projects, innovative technologies, and a collaborative work environment.
• Opportunity to work on cutting-edge projects like Amazon Web Services (AWS) or Alexa

• Access to vast resources and tools for development

• Collaborative work culture that encourages learning and growth

• Opportunity to impact millions of customers worldwide

• Competitive compensation and benefits package
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Q2. Why do you want to work at amazon ?
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I want to work at Amazon because of their innovative culture, vast resources, and opportunities for growth.
• Amazon is known for its innovative culture and cutting-edge technology.

• They have vast resources and a global reach, providing opportunities to work on impactful projects.

• Amazon offers great career growth and development opportunities for software developers.

• I admire Amazon's customer-centric approach and focus on
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Q3. What are your strengths and weakness?
Ans. 
My strengths include problem-solving skills and attention to detail. My weakness is sometimes being too critical of my own work.
• Strengths: problem-solving skills

• Strengths: attention to detail

• Weakness: being too critical of my own work
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Q4. How would you solve?
Ans. 
I would solve the problem by breaking it down into smaller tasks, analyzing requirements, designing a solution, coding, testing, and debugging.
• Analyze requirements thoroughly before starting the development process

• Break down the problem into smaller tasks to make it more manageable

• Design a solution architecture that meets the requirements and is scalable

• Code the solution using best practices and coding standards

• Test th...read more
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Q5. What are the short term and long-term for teame or organisation?
Ans. 
Short term goals focus on immediate tasks and objectives, while long-term goals involve strategic planning and growth.
• Short term goals may include completing a specific project, improving team communication, or implementing a new software feature.

• Long-term goals could involve expanding the team, increasing market share, or developing new products or services.

• Short term goals help keep the team focused and motivated, wh...read more
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Q1. LRU Cache - how to tackle
Ans. 
LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
• Implement using a doubly linked list and a hashmap for efficient operations

• When an item is accessed, move it to the front of the list

• When the cache is full, remove the least recently used item from the end of the list
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Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
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Q1. MC question on desing pattern
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Q2. Graph question, tree and hash
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Q3. Design Book my show
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Dp question of jump game

Q1. It was lld question to design a cab booking system.
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Q2. Tell me about yourself
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What is your name write it in binary format using Ensemble language and how to optimize super computer

Q1. What should be the crash ratio
Ans. 
The crash ratio should ideally be as close to 0% as possible to ensure a stable and reliable app.
• A low crash ratio indicates a stable app with minimal issues.

• Regularly monitoring crash reports and addressing any recurring issues can help improve the crash ratio.

• Testing the app thoroughly before release can help prevent crashes in the first place.
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Q2. What is ANR in android
Ans. 
ANR stands for Application Not Responding in Android. It occurs when the main UI thread is blocked for too long.
• ANR can happen when an application is not responding to user input for a certain period of time.

• It is usually caused by long-running operations on the main UI thread, such as network operations or heavy computations.

• Developers can prevent ANR by offloading heavy tasks to background threads or using asynchrono...read more
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Q3. Firebase crashlytics
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Difficult Coding question.

Q1. Architecture design
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Q2. Dont remember question
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Q3. Explained desig
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