DE Shaw Interview Questions, Process, and Tips

Asked SQL queries along with other JAVA questions

Q1. Test scenarios for testing Whatapp application
Ans. 
Test scenarios for testing WhatsApp application
• Verify sending a text message

• Test sending multimedia files (images, videos)

• Check group chat functionality

• Test voice and video call features

• Verify message encryption and security measures
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Q2. Program explaining OOPS concepts
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OOPS concepts are the foundation of object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementatio...read more
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Q1. Tell me about youtself?
Ans. 
I am a dedicated and experienced professional with a strong background in project management and team leadership.
• Over 10 years of experience in project management

• Proven track record of successfully leading cross-functional teams

• Strong communication and interpersonal skills

• Certified in project management (PMP)

• Previously managed a project with a budget of $1 million
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Q2. What do you know about TDS?
Ans. 
TDS stands for Tax Deducted at Source, a system where tax is deducted by the payer at the time of making payment.
• TDS is a system introduced by the Income Tax Department of India to collect tax at the source from where an individual's income is generated.

• It is applicable to various payments such as salary, interest, commission, rent, etc.

• The deducted TDS amount is then deposited to the government by the deductor.

• TDS rat...read more
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Q3. Situation AP based journal entries
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Q4. What is GST on reverse charge?
Ans. 
GST on reverse charge is a mechanism where the recipient of the goods/services is liable to pay the tax instead of the supplier.
• Under reverse charge mechanism, the recipient of the goods/services is responsible for paying the GST instead of the supplier.

• It is applicable in certain cases like import of services, specified goods/services, etc.

• The recipient needs to self-assess and pay the tax directly to the government.

• I...read more
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Q5. What are the documents required to initiate a foreign remittance?
Ans. 
Documents required for foreign remittance include identification proof, proof of address, and purpose of remittance.
• Identification proof such as passport or driver's license

• Proof of address like utility bill or bank statement

• Purpose of remittance document like invoice or agreement
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Q6. More situational based AP journal entries.
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Q1. Behavioural Questions
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Q2. Scenario Based Questions
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Q1. Scenario Based Questions
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Q2. Guestimates
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Q1. Role Based & Work Experience Based
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2 Coding questions - medium to hard

Q1. Questions on scalable systems.
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Q2. Medium level DSA questions.
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Q1. Questions on SQL
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Q2. Implement LFU using OOPs concepts from scratch.
Ans. 
Implement LFU cache using OOPs concepts
• Create a class for LFU cache with methods like get, put, and remove

• Use a hashmap to store key-value pairs and a hashmap to store frequency of each key

• Implement a doubly linked list to store keys with the same frequency
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