New Relic Engineering Manager Interview Questions and Answers

Design an email notification system for efficient communication.

• Identify the triggers for sending email notifications (e.g. new user registration, password reset)

• Design a user-friendly interface for users to manage their notification preferences

• Implement a system to track email delivery and user engagement

• Consider personalization options for email content based on user behavior

• Ensure compliance with data protection reg...read more

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...read more

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

BookMyShow is a popular online ticketing platform for movies, events, and other entertainment.

• BookMyShow is a platform where users can book tickets for movies, events, plays, sports, etc.

• It provides information on upcoming events, movie showtimes, and venue details.

• Users can select seats, make payments, and receive e-tickets for their bookings.

• The platform also offers reviews, ratings, and recommendations for users to ...read more