CLSA Senior Software Engineer Interview Questions and Answers

Coding assessment in Code signal which is vedio proctored

Q1. Design a loan application system
Ans. 
Design a loan application system
• Collect applicant information such as personal details, employment history, and financial information

• Include a credit check process to assess applicant's creditworthiness

• Implement a system for loan approval/rejection based on set criteria

• Provide options for different types of loans and repayment plans

• Ensure security measures are in place to protect applicant's sensitive information
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Bank account creation, deposit money, withdraw money

Q1. Question around work experience and how a particular scenario or situation is handled
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Suggest system cost optimization based on given data set

Q1. How would you design tiny url implementation?
Ans. 
Design a system to create and manage short URLs for long URLs.
• Use a database to store mappings of short URLs to long URLs.

• Generate a unique short URL for each long URL using a hashing algorithm.

• Implement a redirect service to redirect users from short URLs to long URLs.

• Consider adding expiration dates for short URLs to manage storage.

• Implement analytics to track usage of short URLs.
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Its very easy and some questions are very logical to do.

In GD, there are 5 given topics you have to chose there own topic to discuss or explain individually for 4 to 5 minutes.

Java coding questions, basic Java questions.

Q1. Java basics questions.
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Q2. Live coding.
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Q1. Discussion on previous experience and projects.
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Q2. System design question
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Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
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Q2. Interview discussion with the whole team.
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Q1. Benefits discussion.
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Q2. Salary discussion.
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70 mins 4 topics, 1/2 easy, 3 would be easy+, need detail orientation, 4 would be medium,

Easy case study, code review and find the bug

Q1. Tell me about yourself
Ans. 
I am a passionate software engineer with experience in developing web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MySQL and MongoDB

• Familiar with version control systems like Git and deployment tools like Docker
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Q1. Tell me about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Passionate about learning new technologies
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Q1. Features of es6 and your favorite one out of all of them
Ans. 
ES6 introduced many new features like arrow functions, let and const, classes, and more. My favorite feature is template literals.
• Template literals allow for easier string interpolation and multiline strings.

• They use backticks (`) instead of quotes and allow for embedded expressions.

• Example: `Hello ${name}, today is ${date}`

• This feature improves code readability and reduces the need for concatenation.
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Q2. Difference between sql and nosql databases and when to prefer one over the other
Ans. 
SQL is a relational database while NoSQL is non-relational. SQL is good for structured data while NoSQL is good for unstructured data.
• SQL databases use tables with predefined schema while NoSQL databases use documents, key-value pairs, or graphs

• SQL databases are good for complex queries and transactions while NoSQL databases are good for scalability and flexibility

• SQL databases are ACID compliant while NoSQL databases ...read more
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Q3. Favorite programming language and all of the languages you have worked on so far
Ans. 
My favorite programming language is Python. I have also worked with Java, C++, and JavaScript.
• Python is my favorite language due to its simplicity and versatility

• I have used Java for developing enterprise applications

• C++ was my go-to language for performance-critical applications

• JavaScript was used for developing web applications and front-end development
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DSA coding round.
Graph based question, dp question.

Q1. 1. design service to download big file
Ans. 
Design a service to download large files.
• Use a scalable architecture to handle large file downloads.

• Implement resumable downloads to handle network interruptions.

• Use parallel downloading to speed up the download process.

• Implement authentication and authorization to ensure security.

• Provide progress updates to the user during the download process.
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Q1. Java based questions Spring beans
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