Payswiff Solutions Mobile Application Developer Interview Questions and Answers

The Two-Sum Problem solve using any programming language(like C#, Python, JavaScrpit ...)

Q1. -About Your project & architecture -Dependency injection -Azure Function & other services -Authentication & Authorization (JWT)
Ans. Dependency injection is a technique for achieving inversion of control between class and their objects
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Q2. What is Angular Interceptor?
Ans. 
Angular Interceptor is a middleware that intercepts HTTP requests and responses.
• It can be used to add headers, modify requests, handle errors, and more.

• Interceptors can be global or specific to a certain request.

• Example use cases include adding authentication tokens to requests or logging responses.

• Interceptors are implemented using the HttpInterceptor interface in Angular.
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Q3. What is Microservice C#?
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Microservice C# is a software architecture pattern where an application is built as a collection of small, independent services.
• Each service is responsible for a specific task or feature

• Services communicate with each other through APIs

• Allows for scalability, flexibility, and easier maintenance

• Examples include Netflix, Amazon, and Uber
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Q4. About angular state management?
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Q5. It's the process of managing the state of the user controls.
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Q1. Tell me about yourself.
Ans. 
I am a senior software developer with over 10 years of experience in developing and implementing software solutions.
• I have expertise in multiple programming languages including Java, Python, and C++.

• I have experience in developing web applications using frameworks such as Spring and Django.

• I have worked on projects involving database design and management using SQL and NoSQL databases.

• I have experience in leading devel...read more
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Q1. Basic oops concepts and our projects
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Q2. Basic strucutes of oops concpts and micro services
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OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction. Microservices are small, independent services that communicate with each other.
• OOPs concepts help in creating modular and reusable code.

• Encapsulation ensures that data is hidden and can only be accessed through defined methods.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Polymorphism allows objects to ta...read more
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Q1. About the projects
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Q1. Puzzles and coding
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For fresher, you need a basic knowledge of collection and string manipulating.

Project related they will ask you how API works, what's the flow of your application how you implement such kind of questions they may ask

25 question were asked

Java coding and Java oops concepts

Q1. Basic Java coding and project explanation
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Q1. Just general questions
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Questions like if 2 persons are doing one work how fast will it be completed if 3 people are doing the same job

Q1. It was completely on JAVA
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Q1. Where do you see yourself in 5 years
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Q1. Java basics - oops , multi-threading, collections, hashmap implementation
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Q2. Sql questions basic
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Q1. Java questions and some scenario based questions
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Q2. Regarding file reading and writing
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Q3. Microservices and spring boot basics
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Js coding question and mcq

Q1. Basic and Advanced Js concepts
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Q2. Basics of Html css
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Q3. Front-end related questions and scenarios based questions
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Q1. Tell me about you self
Ans. 
I am a highly experienced software engineer with a passion for problem-solving and a strong background in developing innovative solutions.
• Over 10 years of experience in software development

• Proficient in multiple programming languages such as Java, Python, and C++

• Strong problem-solving skills demonstrated through successful project completions

• Experience working in Agile development environments

• Excellent communication an
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Q2. Situation based questions
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Q3. Salary negotiation
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