ZeMoSo Technologies Software Engineer2 Interview Questions, Process, and Tips

It was an assessment test consisting of data structures and algorithms (DSA) and multiple-choice questions (MCQs).

Q1. 30 min Technical round. Question on Node js, React, and Javascript
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Q1. What were the in-depth concepts of Node, React, and JavaScript that were covered in the technical round?
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Q1. Final Technical Round cosist of Topics like System Design, Node js, React
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Coding test will be conducted on CoderByte platform , where we will be given two question one is a backend challenge and other question on DSA , dynamic programming.

Q1. Given an integer array , and a target k , we need to find the pair of elements from array whose sum will be equal to target k.
Ans. 
Find pair of elements in array whose sum is equal to target k.
• Use a hashmap to store the difference between target k and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the pair that sums up to target k.
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Q2. Asked about OAuth and JWT
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Q3. Actuator in spring boot and what are the actuator endpoints
Ans. 
Actuator in Spring Boot provides production-ready features like monitoring and metrics.
• Actuator is a set of tools provided by Spring Boot to monitor and manage your application.

• Actuator endpoints are URLs that provide information about your application, such as health, metrics, info, etc.

• Examples of actuator endpoints include /actuator/health, /actuator/metrics, /actuator/info, etc.
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Q4. Design pattern of microservices architecture
Ans. 
Microservices architecture is a design pattern where an application is composed of small, independent services that communicate over well-defined APIs.
• Each microservice is responsible for a specific business function or capability

• Services are loosely coupled and can be developed, deployed, and scaled independently

• Communication between services is typically done through lightweight protocols like HTTP or messaging queue...read more
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Q1. Given an input string "aaabbCCaaDD" , O/p : a3b2C2a2D2 , we need to find the frequency of subsequent characters.
Ans. 
The task is to find the frequency of subsequent characters in a given input string.
• Iterate through the input string while keeping track of the current character and its frequency.

• If the current character is the same as the previous character, increment the frequency count.

• If the current character is different, append the previous character and its frequency to the output string.

• Repeat until the end of the input string
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Q2. Branching strategies in Agile methodologies
Ans. 
Branching strategies in Agile methodologies involve creating separate branches for different features or tasks to enable parallel development.
• Feature branching: Each feature or user story is developed in a separate branch, allowing for isolation and independent testing.

• Release branching: A branch is created for each release, enabling bug fixes and maintenance to be done separately from ongoing development.

• Task branchin...read more
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Q3. Questions on NoSQL and MySQL
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Q4. Questions on Springboot and Microservices
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Coding test includes 2 coding questions and multiple choise questions.

Q1. Linked List medium level question
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Q2. Graphs medium to hard level question
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Q3. Design patterns
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Q1. Implementation of game usign ReactJS.
Ans. 
Implementing a game using ReactJS involves creating components for game elements, managing state, handling user interactions, and updating the UI.
• Create separate components for game elements such as game board, player pieces, and score display.

• Use React state to manage game state, such as player turns, scores, and game progress.

• Handle user interactions, such as clicking on game pieces or buttons, to update game state.

• U...read more
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Q2. System design of Paytm and Microservices Architecture.
Ans. 
Paytm uses microservices architecture for scalability and flexibility in system design.
• Paytm's system design is based on microservices architecture to break down the application into smaller, independent services.

• Each service in Paytm's architecture handles a specific function, such as payments, wallet, or shopping.

• Microservices communicate with each other through APIs, allowing for easier scalability and maintenance.

• T...read more
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Q1. Salary Structure discussion
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Q1. Questions related to js es6
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Q2. Questions related to string rotation
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