Technumen Senior Software Engineer Interview Questions and Answers

Leetcode Medium Type Questions

Q1. Design a Online System to book Salon Professionals like Urban Company.
Ans. 
Design an online system to book salon professionals like Urban Company.
• User registration and login system

• Search functionality to find salon professionals based on location, services offered, ratings, etc.

• Booking system with calendar availability and payment integration

• Review and rating system for users to provide feedback on salon professionals

• Notification system for booking confirmations, reminders, and updates
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Q1. Machine coding -- design and implement splitwise -- duration 1.5hr
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Q2. Basic implemetation of split-wise
Ans. 
Split-wise is a basic implementation to divide expenses among a group of people.
• Create a function that takes in an array of expenses and participants

• Calculate the total expense and divide it equally among participants

• Return a list of strings showing who owes how much to whom
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Q1. Low and high level design of BookMyShow
Ans. 
BookMyShow is a platform for booking movie tickets, event tickets, and other entertainment activities.
• Low level design: Database schema for storing user information, ticket details, show timings, etc.

• High level design: System architecture including front-end, back-end, and database components.

• Example: Use of microservices for scalability and fault tolerance.

• Example: Integration with payment gateways for seamless transa
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Q1. Functional Interface,java 8 features,predicate functions
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Q1. General question & scenario based questions
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Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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Q1. .net core middleware
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Q1. Manament discusion about your last project and responsibility
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Q1. Salary discusion and designation and preferred loaction
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Q1. Mostly asked java springboot questions
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Q2. What is interceptor
Ans. 
An interceptor is a middleware component that intercepts incoming and outgoing HTTP requests in an application.
• Interceptors can be used for logging, authentication, error handling, and modifying requests/responses.

• In Angular, interceptors can be used to add headers to HTTP requests or handle errors globally.

• In Spring framework, interceptors can be used for pre-processing and post-processing of requests.

• Interceptors are...read more
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Q3. What are all functional interfaces available in java
Ans. 
Functional interfaces in Java are interfaces with a single abstract method, used for lambda expressions and method references.
• Functional interfaces can be found in the java.util.function package.

• Examples of functional interfaces include Consumer, Supplier, Predicate, and Function.

• Functional interfaces can be identified by the @FunctionalInterface annotation.
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Q4. Gatway implementation in spring boot
Ans. 
Gateway implementation in Spring Boot allows for routing and filtering of incoming requests to different microservices.
• Use Spring Cloud Gateway for implementing gateway in Spring Boot

• Define routes and filters in application.properties or application.yml

• Example: routes: - id: my_route uri: http://localhost:8080 predicates: - Path=/my_route/**

• Example: filters: - AddRequestHeader=X-Request-Foo, Bar
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Q5. Java 8 coding questions
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Pattern program and general output questions

Q1. Technical interview one-on-one
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Q1. HR round taken by hr team
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Q1. Python coding and resume based questions
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