Imriel Senior Software Engineer Interview Questions, Process, and Tips

Q1. What is the design of the microservices implemented in your current project?
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Q2. Can you provide a program that prints the second largest number in both an array and a list, illustrating implementations using streams as well as traditional methods?
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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 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. All the questions were from SQL server.
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Q2. How to get 3rd highest salary ?
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To get the 3rd highest salary, you can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query to select distinct salaries in descending order.

• Use the 'LIMIT' keyword to limit the results to 3.

• Use the 'OFFSET' keyword to skip the first 2 highest salaries.

• Example: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q3. Inner join result of 2 table. Table one [1,1,1,1] table two [1,1,1,1,1,1]
Ans. 
The inner join of two tables with duplicate values results in a combined set of common values.
• Inner join combines rows from both tables where the key columns match

• In this case, the result would be [1,1,1,1,1,1] as all values are common in both tables
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Q4. SSIS Package creation.
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Q5. Latest project explanation
Ans. 
Developed a web application for tracking and managing project tasks
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for user security
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Q1. What is difference between SQL and NoSQL
Ans. 
SQL is a relational database management system, while NoSQL is a non-relational database management system.
• SQL databases are table-based, NoSQL databases are document, key-value, graph, or wide-column stores

• SQL databases use structured query language for defining and manipulating data, NoSQL databases use different query languages

• SQL databases are vertically scalable, NoSQL databases are horizontally scalable

• SQL databa...read more
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Q2. Why is NoSQL better then SQL
Ans. 
NoSQL is better for handling unstructured data, providing scalability and flexibility.
• NoSQL databases are better suited for handling unstructured data like social media posts, user-generated content, and IoT data.

• NoSQL databases provide better scalability as they can easily distribute data across multiple servers, allowing for horizontal scaling.

• NoSQL databases offer more flexibility in terms of data model, allowing fo...read more
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Q3. Explain the data pipeline you have worked on.
Ans. 
Designed and implemented a real-time data pipeline for processing and analyzing user behavior data.
• Used Apache Kafka for real-time data streaming

• Utilized Apache Spark for data processing and analysis

• Implemented data transformations and aggregations using Scala

• Stored processed data in a data warehouse like Amazon Redshift

• Built monitoring and alerting systems to ensure data pipeline reliability
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Q4. Managing team
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Q5. What will you do if you have conflict with your manager.
Ans. 
I would address the conflict directly and professionally, seeking to understand the root cause and find a mutually beneficial solution.
• Schedule a private meeting with the manager to discuss the conflict

• Listen actively to the manager's perspective and express your own calmly

• Seek to find common ground and propose potential solutions

• If necessary, involve HR or a mediator to help resolve the conflict
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Q6. What do you love to do when you are free
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I love to spend my free time hiking, reading, and trying out new recipes in the kitchen.
• Hiking in the mountains or local trails

• Reading fiction and non-fiction books

• Experimenting with new recipes and cooking techniques
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Q1. Salary expectations
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Q2. Family background
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One take home assignment

Q1. Questions on JS basics
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Q2. Angular deep dive
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Q1. General discussion with hiring manager
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