Brightly Software Senior Software Engineer Interview Questions and Answers

Q1. Sql join query related questions
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Q2. Sql find duplicate
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Use SQL query with GROUP BY and HAVING clause to find duplicates in a table.
• Use GROUP BY clause to group rows with same values

• Use HAVING clause to filter out groups with count greater than 1

• Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1
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Q1. Package discussion
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Q2. Company policies
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Q1. Technical discussion over how the microservices communicate internally.
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Q2. Immutable class implementation
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Q3. Singleton class implementation
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Q1. Node.js question were asked
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Q2. Project questions were also being asked
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Q1. General Behavioural questions
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Q2. Culture fit questions
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Q1. What is Node.js event loop and how its work?
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Node.js event loop is a mechanism that allows Node.js to perform non-blocking I/O operations asynchronously.
• Event loop is responsible for handling asynchronous operations in Node.js.

• It allows Node.js to perform multiple operations simultaneously without blocking the execution.

• Event loop continuously checks the event queue for new events and executes them in a non-blocking manner.

• Callbacks are used to handle the complet
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Q2. DBMS questions like joins
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- Basic data structures questions.
- Node.js specific questions.

Q1. Basic managerial questions
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Q1. What is angular
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Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem of libraries and tools.

• Examples: AngularJS, Angular 2, A
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Q2. What is routing
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Routing is the process of selecting a path for network traffic to travel from source to destination.
• Routing involves determining the best path for data packets to travel through a network

• Routers use routing tables to make decisions on where to send data packets

• Routing protocols like OSPF and BGP help routers communicate and update routing information
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Q3. How many types of forms
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There are various types of forms, such as physical forms, digital forms, legal forms, etc.
• Physical forms: Paper-based forms that are filled out by hand.

• Digital forms: Electronic forms that are filled out online or through software.

• Legal forms: Forms used for legal purposes, such as contracts or agreements.
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Q4. Lazy loading in angular
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Lazy loading in Angular is a technique used to load modules only when they are needed, improving performance by reducing initial load time.
• Lazy loading helps in reducing the initial bundle size of the application by loading modules asynchronously.

• It improves the performance of the application by only loading the modules that are required at a particular time.

• Lazy loading is achieved by using the loadChildren property i...read more
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Q5. Rx jx operator in angular
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The rxjs operator in Angular is used for reactive programming and handling asynchronous data streams.
• RxJS operators are functions that build on the observables foundation to enable sophisticated manipulation of asynchronous data streams.

• Operators can be used to filter, transform, combine, and more on observables.

• Example: map(), filter(), mergeMap(), switchMap()
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Q6. Testing frameworks how to works
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Testing frameworks are tools that help automate the process of testing software applications.
• Testing frameworks provide a structure for writing and executing test cases.

• They offer features like test data management, test case organization, and reporting.

• Examples include JUnit for Java, NUnit for .NET, and pytest for Python.
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Q7. How to load a angular application
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To load an Angular application, you can use the Angular CLI command 'ng serve' to start a development server.
• Use the Angular CLI command 'ng serve' to start a development server

• Navigate to the project directory in the terminal and run 'ng serve'

• Open a web browser and go to 'http://localhost:4200/' to view the application
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Q1. Explain some Design patterns
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Design patterns are reusable solutions to common problems in software design.
• Design patterns help in creating flexible, maintainable, and scalable software.

• Some common design patterns include Singleton, Factory, Observer, Strategy, and Decorator.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object...read more
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Q2. Explain Delegates , async/ await
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Delegates are type-safe function pointers in C# used for implementing callbacks. async/await is used for asynchronous programming in C#.
• Delegates in C# are similar to function pointers in C or C++. They allow methods to be passed as parameters to other methods.

• Async/await in C# is used for asynchronous programming, allowing methods to run asynchronously without blocking the main thread.

• Delegates can be used with async/
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Q1. What is a interceptor
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An interceptor is a design pattern commonly used in software development to capture and manipulate requests and responses.
• Interceptors can be used for logging, authentication, authorization, caching, error handling, etc.

• In Angular, interceptors can be used to modify HTTP requests before they are sent and responses before they are received.

• In Spring framework, interceptors can be used to intercept client requests and se
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Q2. What is Authentication, how to achieve it
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Authentication is the process of verifying the identity of a user or system.
• Authentication involves confirming the identity of a user through credentials such as passwords, biometrics, or security tokens.

• Common methods of authentication include single-factor authentication (e.g. password) and multi-factor authentication (e.g. password + SMS code).

• Authentication can be achieved through protocols like OAuth, OpenID, SAML...read more
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Q1. Explain about the services in android
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Services in Android are components that run in the background to perform long-running operations.
• Services can be used to play music in the background while the user interacts with other apps.

• They can also be used to download files from the internet even when the app is not in the foreground.

• Services can run indefinitely or be scheduled to run at specific times.

• They can communicate with other components using broadcasts
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Q2. MVVM architecture
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