Coforge Senior Technical Architect Interview Questions and Answers

Q1. Current Project Architecture..
Ans. 
Our current project architecture follows a microservices approach with containerization using Docker and orchestration with Kubernetes.
• Microservices architecture for scalability and flexibility

• Containerization with Docker for easy deployment and management

• Orchestration with Kubernetes for automated scaling and load balancing
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Q2. Use cases
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Q1. Behavioral and technical knowledge questions were asked during the one-on-one interview.
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Q2. Project discussion
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Q1. What solution can be offer ?
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Q2. Long answer in terms of offering created by me
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Q1. What is aspiration
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Q2. Salary expectation and looking for job. Why leaving ?
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Q3. What are strength
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Q1. About my Skills
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Q2. Why would you join Virtusa?
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Q1. Current Project related questions
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Q2. Scenario based questions
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Q3. Approach for a project from scratch
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Q4. Insurance/Banking related questions
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Q1. Architectural related questions
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Q2. Technology related questions
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Q3. Differences between current and previous technologies
Ans. 
Current technologies are more advanced, efficient, and user-friendly compared to previous technologies.
• Current technologies have faster processing speeds and higher storage capacities.

• Previous technologies often required manual input and were less intuitive for users.

• Current technologies offer more connectivity options and seamless integration with other devices.

• Examples: Smartphones vs. flip phones, cloud computing vs
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Q4. What's the future of current skill you are holding
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Q1. Functional related questions
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Q2. Managerial questions
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Q1. Client round, current project
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Q2. Current project scenario, what's your approach
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Q3. How would you handle this scenario
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Q4. Insurance related questions
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Q1. Client round, discuss multiple scenarios
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Q2. Insurance domain related questions
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Q3. Security related questions
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Q4. Authentication related questions
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Q1. Salary discussion
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Q2. Expected Joining date
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Q3. What's the Notice period
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Q1. Asked about AWS resources
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Q1. Asked scripting python &shell
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Q1. General discussion
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Q1. Describe 5 non functional requirements
Ans. 
Non functional requirements are criteria that specify how a system should behave, rather than what it should do.
• Performance - system should respond within 2 seconds for all user interactions

• Scalability - system should be able to handle 1000 concurrent users

• Reliability - system should have a 99.99% uptime

• Security - system should encrypt all sensitive data

• Usability - system should have a user-friendly interface
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Q2. How will you improve performance of legacy app which has to work with your latest microservice.
Ans. 
Improve legacy app performance by optimizing code, implementing caching, and scaling resources.
• Optimize code by identifying and removing bottlenecks

• Implement caching to reduce database calls and improve response time

• Scale resources by using containers or serverless architecture

• Use asynchronous processing for long-running tasks

• Upgrade hardware or infrastructure if necessary
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Q1. Explain security in microservices
Ans. 
Security in microservices involves implementing authentication, authorization, encryption, and monitoring to protect data and services.
• Implement authentication and authorization mechanisms to control access to microservices.

• Use encryption to secure communication between microservices and external clients.

• Implement monitoring and logging to detect and respond to security incidents.

• Consider using API gateways for central...read more
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Q2. Describe microservices architecture for a wealth management app
Ans. 
Microservices architecture for a wealth management app involves breaking down the application into smaller, independent services.
• Each microservice focuses on a specific business function, such as client onboarding, portfolio management, or reporting.

• Services communicate through APIs, allowing for flexibility and scalability.

• Each microservice can be developed, deployed, and scaled independently, leading to faster develo...read more
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Q1. Azure solution design case studies
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Q2. Current project walkthrough
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Q3. PySpark coding questions
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Q4. DataModelling question
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Q1. Define a micro service architecture.
Ans. 
Microservice architecture is an architectural style that structures an application as a collection of loosely coupled services.
• Each service is self-contained and can be independently deployed, scaled, and maintained.

• Services communicate with each other over lightweight protocols like HTTP or messaging queues.

• Each service is responsible for a specific business function and can be developed using different technologies.

• M...read more
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Q2. How to address data inconsistency in micro service architecture?
Ans. 
Data inconsistency in micro service architecture can be addressed by implementing event-driven architecture, using distributed transactions, and ensuring eventual consistency.
• Implement event-driven architecture to propagate changes across services in a consistent manner

• Use distributed transactions to ensure atomicity and consistency across multiple services

• Ensure eventual consistency by designing services to handle eve...read more
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Singleton Pattern with coding example class

Q1. Service lifetime
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Q2. Shared or static class
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