Goldman Sachs Analyst Interview Questions, Process, and Tips

Received an online hacker rank test with 2 medium difficulty questions

Onsite rounds with 3 technical Interviews

Round duration - 110 Minutes
Round difficulty - Medium

MCQ with

2 - Easy - Medium coding questions
8 - Quantitative aptitude questions
7 - CS fundamentals
2 - English essay questions

Q1. 
Wildcard Pattern Matching Problem Statement
Implement a wildcard pattern matching algorithm to determine if a given wildcard pattern matches a text string completely.
The wildcard pattern may include the...read more
Ans. 
Implement a wildcard pattern matching algorithm to determine if a given wildcard pattern matches a text string completely.
• Create a recursive function to match the pattern with the text character by character

• Handle cases for '?' and '*' characters in the pattern

• Keep track of the current position in both pattern and text strings

• Return 'True' if the pattern matches the text completely, otherwise return 'False'
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Q2. 
Ninja and the Game of Words
In this game, Ninja is provided with a string STR that might contain spaces, and a list or array WORDS consisting of N word strings. Ninja's task is to determine how many times...read more
Ans. 
The task is to determine the frequency of each word in a list of words that appears in a given string.
• Iterate through each word in the list of words and count its frequency in the given string.

• Maintain the order of words as provided in the list.

• Return the frequency of each word in an array of strings.
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Round duration - 40 Minutes
Round difficulty - Easy

I was invited to join a zoom call and from there was a breakout room where my interview happened. It starts at around 10 AM in the morning and in around an hour the interview the started. Since I didn't get selected for the second round, my process finished at around 12:30 PM. But I have heard that the interviews may go up to 9 PM depending on how many rounds you have maximum being 3. The interviewer was great. I was asked a lot of questions on core CS concepts so make sure to focus on them to clear the interviews.

Q1. What is data modeling?
Ans. 
Data modeling is the process of creating a visual representation of data structures and relationships within a database.
• Data modeling involves identifying entities, attributes, and relationships in a database.

• It helps in organizing data in a way that is easy to understand and use.

• Examples of data modeling tools include ER diagrams and UML diagrams.
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Q2. What is the ER Model?
Ans. 
The ER Model is a conceptual data model that describes the data and relationships in a system using entities and their attributes.
• ER Model stands for Entity-Relationship Model

• It is used to represent the logical structure of a database

• Entities are objects or concepts in the real world that are represented in the database

• Attributes are properties that describe the entities

• Relationships define how entities are related to ...read more
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Q3. What is an SDLC?
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• SDLC is a structured process that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase of the SDLC has its own set of activities and deliverables that contribute to the overall success of the software proje...read more
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Q4. 
Gold Mine Problem Statement
You are provided with a gold mine, represented as a 2-dimensional matrix of size N x M with N rows and M columns. Each cell in this matrix contains a positive integer represent...read more
Ans. 
The task is to determine the maximum amount of gold a miner can collect in a gold mine by moving in allowed directions.
• Create a 2D array to represent the gold mine matrix.

• Implement a dynamic programming approach to calculate the maximum amount of gold that can be collected.

• Consider the constraints provided to optimize the solution.

• Iterate through the matrix to calculate the maximum gold collection.

• Keep track of the max...read more
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DSA based test was there. Would prefer leetcode.

DSA Leetcode hard can be practiced

Q1. Behaviour bases problems were there cab be found on GFG
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Q1. About the firm. Previous work experience and knowledge.
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Q2. Job profile explanation, interview structure, salary discussion.
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Q1. Walk me through a DCF
Ans. 
A DCF (Discounted Cash Flow) is a valuation method used to estimate the value of an investment based on its future cash flows.
• Estimate future cash flows of the investment

• Apply a discount rate to the cash flows to account for the time value of money

• Calculate the present value of the cash flows to determine the investment's value
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Q2. Formula of WACC
Ans. 
WACC is the weighted average cost of capital, calculated by multiplying the cost of each capital component by its proportional weight and summing the results.
• WACC = (E/V) * Re + (D/V) * Rd * (1 - Tc)

• E/V represents the proportion of equity in the company's capital structure

• Re is the cost of equity

• D/V represents the proportion of debt in the company's capital structure

• Rd is the cost of debt

• Tc is the corporate tax rate

• Exa...read more
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