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I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
Finding 2 sum and Triplet sum in an array of strings
Use a hashmap to store the elements and their indices for quick lookup
For 2 sum, iterate through the array and check if the target - current element exists in the hashmap
For Triplet sum, fix one element and find the other two using 2 sum approach
Performance issues in Java apps can be handled by profiling, optimizing code, using caching, and scaling resources.
Use profiling tools like JProfiler or VisualVM to identify bottlenecks
Optimize code by reducing unnecessary loops, improving algorithms, and minimizing database queries
Implement caching mechanisms like Redis or Memcached to store frequently accessed data
Scale resources by adding more servers, using load ba
Design a Cron job scheduler for automating tasks at specific times.
Define the schedule using cron expressions (e.g. '0 0 * * *' for daily at midnight)
Implement a job queue to manage tasks and their execution
Include error handling and logging for monitoring and troubleshooting
Consider scalability and performance optimizations for handling large number of jobs
I was interviewed in Dec 2023.
Design a ticket booking system for events or transportation services.
Identify user requirements and features needed (e.g. seat selection, payment options, booking confirmation)
Design database schema to store event details, user information, and booking records
Implement user interface for users to search, select, and book tickets
Develop backend system to handle booking requests, seat availability, and payment processing
...
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
A throttling service limits the number of requests a user can make to a system within a specific time frame.
Implement rate limiting based on user or IP address
Use tokens or API keys to track usage
Set limits on the number of requests allowed per minute/hour/day
Return appropriate error responses when limits are exceeded
Design a ticket booking system for events or transportation services.
Identify user requirements and features needed (e.g. seat selection, payment options, booking confirmation)
Design database schema to store event details, user information, and booking records
Implement user interface for users to search, select, and book tickets
Develop backend system to handle booking requests, seat availability, and payment processing
...
I applied via Company Website and was interviewed in Apr 2023. There was 1 interview round.
I am an experienced engineering manager with a passion for leading teams and delivering innovative solutions.
I have over 10 years of experience in managing engineering teams
I have a track record of delivering successful projects on time and within budget
I am skilled in both technical and managerial aspects of engineering
I am a strong communicator and collaborator, able to work effectively with cross-functional teams
I a...
I appreciate the comprehensive benefits package offered by Amazon.
Health insurance with dental and vision coverage
401(k) plan with company match
Paid time off and holidays
Employee discounts on Amazon products and services
Maternity and paternity leave
Flexible spending accounts for healthcare and dependent care expenses
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