Barclays Interview Questions, Process, and Tips

Q1. General questions about your domain
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Q1. Introduction, flow of previous organization
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Q2. Process knowledge check
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Q3. Situation based questions
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I have been given 3 codes to write:
1. Reverse the string in java without using any standard reverse method
2. How can you find how many times esch word in a string is repeated
3. Suppose in excel you have 3 columns, now you have to write a method which can return the values of second and third colum when you give value of first column as an input to your method.

Q1. Behaviour questions on security with scenarios like how you will react in case of any security or compliance situation you come across. Some question on Data base like how you will verify any value stored ...read more
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Q1. Salary discussion
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Q1. Big data and hadoop
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Q2. Big data with hadoop Spark hive
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Big data technologies like Hadoop, Spark, and Hive are commonly used for processing and analyzing large datasets.
• Hadoop is a distributed storage and processing framework for big data

• Spark is a fast and general-purpose cluster computing system for big data

• Hive is a data warehouse infrastructure built on top of Hadoop for querying and analyzing large datasets

• These technologies are often used together in big data projects
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Q3. Hadoop spark hive HDFS AWS
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Q4. AWS hive spark python
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Q1. Team management
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Q2. Team management with interpersonal and communication skills
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Q1. Lots of technical questions but the interview was not technical..
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Q2. What is JIT compiler
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JIT compiler stands for Just-In-Time compiler, which compiles code during runtime instead of ahead of time.
• JIT compiler improves performance by compiling code on the fly as it is needed

• It converts bytecode into native machine code for execution

• Examples include Java HotSpot JIT compiler and .NET JIT compiler
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Q3. What are futures
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Futures are financial contracts that obligate the buyer to purchase an asset or the seller to sell an asset at a predetermined future date and price.
• Futures are standardized contracts traded on exchanges, where the buyer agrees to purchase an asset at a future date for a price agreed upon today.

• They are commonly used in commodities, currencies, and financial instruments trading.

• Futures allow investors to hedge against ...read more
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Q4. What is GC and what types we have
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GC stands for Garbage Collection, a process in programming languages where unused memory is automatically reclaimed.
• Types of GC include: Mark and Sweep, Reference Counting, Generational, and Incremental.

• Mark and Sweep: Identifies and removes unreachable objects.

• Reference Counting: Keeps track of the number of references to an object and deletes it when the count reaches zero.

• Generational: Divides objects into different...read more
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Q5. Walk me through a trading process
Ans. 
A trading process involves buying and selling financial instruments in the market.
• Research and analysis of market trends and opportunities

• Placing buy or sell orders through a trading platform

• Monitoring and managing open positions

• Executing trades based on predetermined strategies

• Recording and analyzing trade data for performance evaluation
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