TechMojo Solutions Interview Questions, Process, and Tips

Q1. DSA question leetcode hard
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Q2. Thread synchronization in go
Ans. 
Thread synchronization in Go ensures safe access to shared resources by preventing race conditions.
• Use channels to communicate between goroutines and synchronize access to shared data

• Use sync package for more complex synchronization mechanisms like mutexes and wait groups

• Avoid using global variables for shared data to prevent race conditions
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Hackerrank Coding Round with mcq and two logic based questions.

Q1. It was a 45 mins round. 1. DSA based two question related to recursion and stack. Also optimize the time complexity. 2. Project related to my resume
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Q2. Javascript basic to advance
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Q3. Explain event loop
Ans. 
Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
• Event loop continuously checks for events in a queue and executes associated callback functions

• It allows for non-blocking I/O operations in programming languages like JavaScript

• Event loop is essential for handling user interactions and network requests asynchronously

• Example: In JavaSc...read more
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It is hackerearth test for react

Q1. React life cycle
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Q1. React virtual dom
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Q1. Design a payment gateway similar to ccavenues.
Ans. 
Design a payment gateway similar to ccavenues.
• Implement secure payment processing

• Support multiple payment methods like credit/debit cards, net banking, wallets, etc.

• Provide seamless integration with e-commerce platforms

• Offer fraud protection and risk management features

• Ensure PCI DSS compliance
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Q2. Kafka Internals
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Q1. Incident and problem management questions
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Q1. Flow of IM process
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The flow of Incident Management process involves identification, logging, categorization, prioritization, investigation, resolution, and closure of incidents.
• Identification of incident

• Logging the incident in a ticketing system

• Categorizing the incident based on impact and urgency

• Prioritizing incidents based on severity

• Investigating the root cause of the incident

• Resolving the incident and restoring normal service

• Closing
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Q1. Questions on LinkedList, Graphs both are easy to medium-level
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Q1. Heaps, Arrays were asked mostly, both are HARD problems
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