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I applied via Company Website and was interviewed in Nov 2023. There were 2 interview rounds.
I would prioritize identifying the root causes of each service outage and work on restoring them one by one.
Prioritize identifying the root causes of each service outage
Work on restoring the services one by one
Communicate with relevant teams to coordinate efforts
Implement monitoring and alerting systems to prevent future outages
To prove that the bulb in a refrigerator actually goes off upon closing the door, you can use a simple test involving observation and a manual switch.
Open the refrigerator door and observe the bulb is on.
Manually press the switch that is triggered when the door is closed to simulate the door being closed.
Observe that the bulb turns off when the switch is pressed, indicating that it does go off when the door is closed.
Play E is staged on Saturday.
Play C is staged on Tuesday.
Plays A, F, and B are staged one after the other.
Play D is not staged on Monday or Wednesday.
Query to show the percentage of completed transactions
Use COUNT() function to count total transactions
Use SUM() function to count completed transactions
Calculate percentage by dividing completed transactions by total transactions and multiplying by 100
I use a variety of tools such as remote desktop software, ticketing systems, knowledge bases, and diagnostic tools.
Remote desktop software (e.g. TeamViewer, AnyDesk)
Ticketing systems (e.g. Zendesk, Jira)
Knowledge bases (e.g. Confluence, SharePoint)
Diagnostic tools (e.g. Wireshark, Ping)
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
You should be familiar with core java features. Collections, converting one collection Array / Vector to other. Removing duplicates. Lambda chaining / Functional programming. Basic SQL - Joins, Aggregates etc.
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
It was about DS Algo and Java garbage collection,multithreading
Rate limiter is a system that controls the rate of traffic sent or received by a network interface.
Implement a token bucket algorithm to track and limit the rate of requests
Use a sliding window algorithm to track the number of requests within a specific time frame
Consider using a distributed rate limiter for scalability and fault tolerance
I was interviewed before Mar 2023.
Was a tough oneto crack
I applied via LinkedIn and was interviewed before Jun 2022. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 3 interview rounds.
Find the length of the longest consecutive elements sequence in an array.
Sort the array to ensure consecutive elements are adjacent
Iterate through the array and keep track of the current consecutive sequence length
Update the longest consecutive sequence length as you iterate
Executor Service is a framework provided by Java for managing and executing asynchronous tasks.
Executor Service allows you to easily create and manage threads for executing tasks.
It provides a way to control the number of threads used for executing tasks, which can help prevent resource exhaustion.
You can submit tasks to an Executor Service using methods like execute() or submit().
Executor Service can be used to execut...
Calculate the number of subsets of a given set
The number of subsets of a set with n elements is 2^n
Include the empty set and the set itself in the count
For example, a set with 3 elements will have 2^3 = 8 subsets
Remove the kth node from the end of a linked list.
Use two pointers, one to traverse the list and another to keep track of the kth node from the end.
Once the first pointer reaches the end, the second pointer will be at the kth node from the end.
Adjust the pointers to remove the kth node.
Whatsapp low level design involves messaging, encryption, media sharing, and user authentication.
Use end-to-end encryption to secure messages
Implement message queues for real-time message delivery
Allow media sharing through file transfer protocols
Use OAuth for user authentication and authorization
There was a Hackerearth test with two questions
I was interviewed in Dec 2024.
Some of the top questions asked at the Moniepoint Technical Support Engineer interview -
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Interview experience
Senior Software Engineer
4
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Paytm
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