Software Architect

20+ Software Architect Interview Questions and Answers

Updated 10 Jan 2025
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Q1. How service management adds to customer experience.

Ans.

Service management enhances customer experience by ensuring efficient and effective delivery of services.

  • Service management helps in setting clear service expectations with customers.

  • It ensures timely and consistent delivery of services, leading to customer satisfaction.

  • Service management also involves handling customer feedback and complaints effectively.

  • By optimizing service processes, service management can improve overall customer experience.

  • Examples: Implementing a ticke...read more

Q2. On the scale of 1 to 10, how quickly can you approach to solve a problem?

Ans.

I can approach to solve a problem quickly, with a rating of 8 out of 10.

  • I have a strong problem-solving mindset and can quickly analyze and understand the problem.

  • I am experienced in various software development methodologies and can apply the most suitable approach.

  • I am skilled in using debugging tools and techniques to identify and resolve issues efficiently.

  • I am proactive in seeking help or collaborating with team members when needed.

  • I continuously update my knowledge and ...read more

Software Architect Interview Questions and Answers for Freshers

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Q3. How will you create the solution with Azure Cloud Native Services ?

Ans.

I will leverage Azure Cloud Native Services to design and implement scalable, resilient, and efficient solutions.

  • Utilize Azure Kubernetes Service (AKS) for container orchestration

  • Leverage Azure Functions for serverless computing

  • Implement Azure Cosmos DB for globally distributed databases

  • Utilize Azure DevOps for continuous integration and deployment

  • Leverage Azure Monitor for performance monitoring and optimization

Q4. What are the design considerations to keep in mind when building an API?

Ans.

Design considerations for building an API

  • Define clear and consistent naming conventions for endpoints and parameters

  • Use versioning to manage changes and updates without breaking existing clients

  • Implement proper authentication and authorization mechanisms to secure the API

  • Design for scalability and performance by considering caching, rate limiting, and pagination

  • Provide comprehensive documentation to guide developers on how to use the API effectively

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Q5. What is difference between Dependency Inversion & Dependency Injection ?

Ans.

Dependency Inversion is a design principle where high-level modules do not depend on low-level modules, but both depend on abstractions. Dependency Injection is a design pattern where the objects are passed their dependencies rather than creating them internally.

  • Dependency Inversion: High-level modules depend on abstractions, not on low-level modules. Promotes decoupling and flexibility.

  • Dependency Injection: Objects are passed their dependencies rather than creating them inte...read more

Q6. How will you design a solution considering AI and Safety?

Ans.

Designing a solution with AI and Safety involves implementing robust algorithms, thorough testing, and continuous monitoring.

  • Implement robust AI algorithms that prioritize safety and ethical considerations.

  • Conduct thorough testing to ensure the AI system behaves predictably and safely in all scenarios.

  • Implement fail-safe mechanisms to prevent AI from making harmful decisions.

  • Utilize real-time monitoring and feedback loops to continuously assess and improve the AI system's saf...read more

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Q7. Tell about the test automation framework.

Ans.

Test automation framework is a set of guidelines, standards, and tools used for automating software testing.

  • It helps in reducing manual testing efforts and increases test coverage.

  • It provides a structured approach to test automation.

  • It includes tools for test case management, test data management, and test execution.

  • It supports various programming languages and testing frameworks.

  • Examples include Selenium, Appium, TestNG, JUnit, and Cucumber.

Q8. How do you push the data from server to client

Ans.

Data can be pushed from server to client using technologies like WebSockets, Server-Sent Events, or HTTP long polling.

  • Use WebSockets for real-time bidirectional communication between server and client.

  • Server-Sent Events allow server to push data to client over a single, long-lived connection.

  • HTTP long polling involves the client making repeated HTTP requests to the server, which holds the response until new data is available.

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Q9. What is the concept of idempotency in REST APIs?

Ans.

Idempotency in REST APIs ensures that multiple identical requests have the same effect as a single request.

  • Idempotency means that the result of a successful request is the same regardless of how many times it is made.

  • GET and PUT requests are typically idempotent, while POST requests are not.

  • Using unique identifiers like UUIDs in requests can help ensure idempotency.

  • Idempotency is important for ensuring data consistency and preventing unintended side effects.

Q10. Are you aware about process industry ?

Ans.

Yes, process industry refers to industries that produce goods through a series of steps or processes.

  • Process industry involves manufacturing products through a series of steps or processes.

  • Examples include chemical plants, oil refineries, food processing plants, and pharmaceutical companies.

  • Efficiency and optimization are key factors in process industry to ensure quality and cost-effectiveness.

Q11. How have you optimised the code

Ans.

Code optimisation involves identifying and eliminating bottlenecks to improve performance.

  • Identify and eliminate unnecessary code

  • Use efficient algorithms and data structures

  • Reduce I/O operations

  • Minimize database queries

  • Use caching

  • Profile and measure performance

  • Parallelize code where possible

Q12. Tell me more about design principles

Ans.

Design principles are guidelines for creating software that is maintainable, scalable, and efficient.

  • Design principles help ensure that software is easy to modify and extend over time

  • They promote code reuse and reduce the likelihood of bugs and errors

  • Examples of design principles include SOLID, DRY, and KISS

  • SOLID stands for Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion

  • DRY stands for Don't Repeat Yourself

  • KISS stands fo...read more

Q13. Privacy details cant add as against policy of org

Ans.

Privacy details cannot be provided due to organizational policy.

  • Organizational policy prohibits sharing of privacy details.

  • Alternative information can be provided within the bounds of policy.

  • Privacy laws and regulations must be followed.

Q14. Describe on design of problem that I worked

Ans.

Designed a system for real-time data processing and analysis

  • Utilized Apache Kafka for real-time data streaming

  • Implemented microservices architecture for scalability

  • Used Apache Spark for data processing and analysis

  • Designed a dashboard for visualization of processed data

Q15. Tell me about design principles

Ans.

Design principles are fundamental concepts used to guide the software design process.

  • Design principles help ensure that software is scalable, maintainable, and efficient.

  • Examples of design principles include SOLID principles, DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), and YAGNI (You Aren't Gonna Need It).

Q16. Why do you use NodeJs?

Ans.

NodeJs is a popular choice for building scalable and efficient server-side applications.

  • NodeJs is known for its non-blocking, event-driven architecture which allows for handling a large number of concurrent connections efficiently.

  • It uses JavaScript, a widely-used language, which makes it easier for developers to work on both client and server-side code.

  • NodeJs has a large ecosystem of libraries and frameworks, such as Express.js, which help in building robust and feature-rich...read more

Q17. Write a Caching service in distributed system

Ans.

A caching service in a distributed system stores frequently accessed data in memory to reduce latency.

  • Choose a caching algorithm based on the use case (e.g. LRU, LFU, etc.)

  • Implement a distributed cache using a consistent hashing algorithm to distribute data across nodes

  • Use a cache invalidation strategy to ensure data consistency

  • Consider using a write-through or write-behind caching approach

  • Monitor cache performance and adjust cache size and eviction policies as needed

Q18. What is Microservices?

Ans.

Microservices is an architectural style that structures an application as a collection of small, independent services.

  • Microservices are independently deployable and scalable.

  • Each service is responsible for a specific task or business capability.

  • Communication between services is usually done through APIs.

  • Microservices allow for faster development and easier maintenance.

  • Examples of companies using microservices include Netflix, Amazon, and Uber.

Frequently asked in,

Q19. Selection of processor, operating system

Ans.

Selection of processor and operating system is crucial for software performance and compatibility.

  • Consider the requirements of the software in terms of processing power and memory

  • Choose a processor that can handle the workload efficiently

  • Select an operating system that is compatible with the software and provides necessary features

  • Consider factors like scalability, security, and ease of maintenance

  • Examples: Intel Core i7 processor with Windows 10 OS for a high-performance app...read more

Q20. Setup architecture for new products

Ans.

Design a scalable and flexible architecture for new products.

  • Identify the requirements and constraints of the new products

  • Choose appropriate technologies and frameworks based on the requirements

  • Design modular components for easy scalability and maintenance

  • Implement microservices architecture for flexibility and resilience

  • Consider security and data privacy measures in the architecture

  • Utilize cloud services for scalability and cost-efficiency

Q21. Features in Java 11 and beyond

Ans.

Java 11 introduced new features like local-variable syntax for lambda parameters, HTTP client API, and more.

  • Local-variable syntax for lambda parameters allows var to be used in lambda expressions.

  • HTTP client API provides a more modern way to send HTTP requests and handle responses.

  • JEP 321 introduced the Flight Recorder API for low-overhead profiling and monitoring of Java applications.

Q22. Gateway module problems and solutions

Ans.

Gateway module problems and solutions

  • Common gateway problems include connectivity issues, security vulnerabilities, and performance bottlenecks

  • Solutions may involve implementing redundancy and failover mechanisms, improving authentication and encryption protocols, and optimizing network traffic

  • Other potential solutions include implementing load balancing, caching, and compression techniques to improve performance and scalability

Q23. Kth largest number in an array

Ans.

Find the Kth largest number in an array

  • Sort the array in descending order and return the Kth element

  • Use a max heap to keep track of the K largest elements and return the root

  • Use quickselect algorithm to find the Kth largest element in O(n) time

Q24. Advanced features of java

Ans.

Advanced features of Java include lambda expressions, streams, functional interfaces, and modules.

  • Lambda expressions allow for functional programming in Java.

  • Streams provide a way to process collections of objects in a functional style.

  • Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

  • Modules allow for modular programming in Java, improving code organization and reusability.

Q25. Tasks in 90 days

Ans.

In the first 90 days, I would focus on understanding the current software architecture, identifying any weaknesses, and creating a plan for improvement.

  • Analyze the existing software architecture to understand its strengths and weaknesses

  • Identify any potential areas for improvement or optimization

  • Create a roadmap for implementing changes and improvements

  • Collaborate with team members to prioritize tasks and allocate resources effectively

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