Barclays Interview Questions, Process, and Tips

Basic Maths and reasoning

Q1. Star questions around various scenarios
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Q1. How will you handle if your teammates have an argument
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Asked Dynamic programming and graph problems along with Java and C++ questions

Q1. Introduce yourself
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Q2. Explain your project
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Q3. Questions on projects
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Q1. How would you create pnl of a credit card strategy change
Ans. 
To create P&L of a credit card strategy change, analyze revenue and expenses before and after the change.
• Analyze current revenue streams from credit card products

• Estimate potential impact of strategy change on revenue (e.g. increased interest income, higher fees)

• Evaluate changes in expenses (e.g. marketing costs, operational costs)

• Calculate net profit or loss resulting from the strategy change
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Q1. Leetcode medium problems on graph, tree, hashmap
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Q2. Leetcode medium on sql
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Q3. Some java related questions, JPA, hibernate mappings, Spring cloud, spring framework core questions
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Q1. This was more of behavoural round with conflict bases questions, and tech related to code practices, best practices, teams etc
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Q2. What is usage of sonar and what was recent improvement done by analyzing sonar report
Ans. 
SonarQube is a tool for continuous inspection of code quality, helping teams identify and fix issues early.
• SonarQube analyzes code for bugs, vulnerabilities, and code smells, improving overall code quality.

• It provides metrics like code coverage, duplications, and complexity, enabling better decision-making.

• Recent improvements may include enhanced detection of security vulnerabilities, such as SQL injection risks.

• Integr...read more
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Q1. Salary discussions, asked ay other offers in hand etc. offer rollout took a long time
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