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Wall Street Consulting Services System Architect Interview Questions and Answers

Updated 18 Jul 2025

Wall Street Consulting Services System Architect Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Jun 2025, where I was asked the following questions.

  • Q1. How do you work with developers and product teams?
  • Ans. 

    I collaborate closely with developers and product teams to ensure alignment on goals, architecture, and implementation strategies.

    • Regularly hold cross-functional meetings to discuss project requirements and updates.

    • Utilize Agile methodologies to facilitate iterative development and feedback loops.

    • Create detailed architectural documentation that developers can reference during implementation.

    • Encourage open communication...

  • Answered by AI
  • Q2. What challenges have you faced in past architecture work?
  • Ans. 

    Faced challenges in scalability, integration, and stakeholder alignment during architecture projects.

    • Scalability issues: In a previous project, we underestimated user growth, leading to performance bottlenecks.

    • Integration complexities: Integrating legacy systems with new cloud solutions required extensive refactoring and testing.

    • Stakeholder alignment: Different departments had conflicting requirements, necessitating mu...

  • Answered by AI

Top trending discussions

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Interview Hub
6d (edited)
anshitanegi
·
ex -
Planet Spark
When HR’s Chinese English made me drop the interview!
So, I talked to the HR yesterday about the interview. I asked Please send me the location But their English… bro I was shocked! It was like talking to someone jisne english nahi kuch ar hi seekh liya ho, if the HR’s English is this I can only imagine the rest of the company I decided to drop the interview with this chinese english😶‍🌫️
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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Coderbyte online coding test.

Round 2 - One-on-one 

(1 Question)

  • Q1. Excellent interview discussion.

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Q4. What are the pros and cons of Elasticsearch?
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Coding Test 

C#, Node.js, git, DB

Round 2 - Behavioral 

(2 Questions)

  • Q1. Tell me why you are a Solution Architect?
  • Q2. Explain some challenges faced during your Solution Architect role.
  • Ans. 

    As a Solution Architect, I faced challenges like stakeholder alignment, technology integration, and scalability issues.

    • Stakeholder Alignment: Ensuring all stakeholders have a unified vision can be difficult. For example, differing priorities between business and IT.

    • Technology Integration: Integrating legacy systems with modern solutions often leads to compatibility issues. For instance, connecting an old ERP system wit...

  • Answered by AI
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Walk-in and was interviewed in Jun 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Aptitude it is a type of test in which there are many questions like resigning, technical,blood relation.etc

Round 3 - Group Discussion 

In group discussion we have provided some topic and told discuss about that topic and tell advantages and dis advance.

Round 4 - Technical 

(3 Questions)

  • Q1. What is final in java
  • Ans. It is a type of keyword when be declared this keyword in any variable then we can't use this variable into another class.
  • Answered by Abhishek Kumar
  • Q2. What is static In java?
  • Q3. The static it is a type of method called static method in which when we declared a method as static then it can't be inherited another class
  • Ans. 

    Static methods belong to the class, not instances, and cannot be inherited by subclasses.

    • Static methods are declared using the 'static' keyword.

    • They can be called without creating an instance of the class.

    • Example: 'ClassName.methodName()' can be used to call a static method.

    • Static methods cannot access instance variables or instance methods directly.

    • Example: If 'methodA' is static, it cannot call 'methodB' (non-static)...

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Apr 2024, where I was asked the following questions.

  • Q1. What is java and oops concept?
  • Q2. What is POM?

Interview Preparation Tips

Interview preparation tips for other job seekers - A good place to start and grow your career.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Selected Selected

I appeared for an interview before Jun 2024, where I was asked the following questions.

  • Q1. Tell me about yourself
  • Q2. Year of experience
  • Ans. 

    I have over 5 years of experience in Java development, focusing on building scalable applications and optimizing performance.

    • Developed multiple web applications using Spring Boot and Hibernate.

    • Implemented RESTful APIs for seamless integration with front-end applications.

    • Worked on performance tuning and optimization of existing Java applications.

    • Collaborated with cross-functional teams to deliver projects on time.

  • Answered by AI

Wall Street Consulting Services HR Interview Questions

7 questions and answers

Q. How do you work with developers and product teams?
Q. What challenges have you faced in past architecture work?
Q. How do you stay up to date with the latest Cybersecurity threats?
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Are you okay with the salary?
Are these interview questions helpful?

I applied via Other and was interviewed before Sep 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. What is your first priority for costmer?
  • Ans. 

    The first priority for a customer is to provide excellent customer service and meet their needs.

    • Listen to the customer's needs and concerns

    • Offer personalized solutions

    • Provide prompt and efficient service

    • Build a strong relationship with the customer

    • Ensure customer satisfaction and loyalty

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Have to proof your self as a good exicutive

Interview Preparation Tips

Round: Resume Shortlist
Experience: CV should focus on the skill set previously mentioned. Concise and to the point sentences. Line out projects and internships well. Balance between academia and extra curriculars. Attend the CV making workshop of Opera and work on it accordingly.
Tips: Don’t put things totally irrelevant to the job profile. Don’t write long sentences. Know your CV well for further stages.Anything related to your CV should be at the tip of your tongue.

Round: Test
Experience: Don’t spend a lot of time on one question in quant section. There’s a cut-off in Quant and your focus should be on clearing it. If you clear the cut-off, the puzzle section will be evaluated, where solving at least 2 is generally good enough. Puzzles are hard, and need a lot of prior practice.

Round: HR Interview
Experience: Direct selections take place at the end of all interviews after a mutual discussion between all the panels. Know your CV thoroughly. Prepare for some HR questions as well. Puzzle solving and guesstimates are asked, so prepare them well. When you are asked a puzzle, do not sit quietly but think aloud. The interviewers help you structure your thoughts. Most of the times, just knowing your approach is enough for them
Tips: Evaluate the nature of your interviewer for the first 5 minutes and if possible treat the interview like a discussion. They just want to know more about you so tell it to them. Most of them are very friendly, and you will feel at ease. Be confident. Sound excited while talking about your projects/internships. It gives them confidence in you. Be very very thorough with your CV. Nothing gives a bad impression like not knowing about yourself. Ask questions if you have them at the end of the interview.

General Tips: 1: Be Confident.
2: Keep Smiling.
3: Do not be Panic.
4: Remember they are here to hire you but not reject you.
5: Do not loose hope.
6: Believe at yourself.
7: Start preparing early.
8: Do demo interviews with your friend.
Skills: Mathematics, Computer Science
College Name: IIT KHARAGPUR
Motivation: Every body joins a comapny for making a software or earning money. But I was always motivated to MAKE MONEY. I have taken this job because they have very extensive work in Share Market and they have lots of MBA from IIM's, Lots of CAs, CS. Thats why i have choosen Edelweiss. I have rejected epic System USA for this profile.

Interview Preparation Tips

Round: Resume Shortlist
Experience: I started preparing my resume somewhere around August end. I spoke to a few seniors about it and read quite a few resumes, especially of those seniors who either had a profile similar to mine or had secured jobs in fields of my interest, eg. Consulting, finance, etc. I also attended the Resume Writing Workshop conducted by McKinsey and Co. on campus and cleared a few doubts there.
Tips: I would advise you guys to start preparing your resumes well in advance, it is not something to be kept for the last minute. Being the first form of acquaintance between you and a firm, it is a highly important document and the way you highlight your strong points and attributes can go a long way in shortlisting you from amongst the hundreds of resumes that they have to scan. Also, it is important that you be able to speak on any point in your resume in detail, hence you must be sure of what you are writing in it.

Round: Case Study Interview
Experience: The procedure of selection for Opera Solutions was a set of 4 interviews, each having a case study and some HR questions. The initial shortlist had around 22 candidates, after the first 2 interviews around 10 candidates were selected for the final rounds. Finally 3 candidates were made offers.  There were no GDs, only case interviews. The first interview had a case involving a music company which scouts for amateur talent and launches them. They want to enter India and want you to analyse the market and suggest if its feasible or not. The interviewer gave a lot of data related to market share of pop music, bollywood, devotional music, etc and it suggested that the market share of the genre related to the company is very little. However I think what worked best was that I also pointed out certain solutions which could make it feasible, such as merging with another company in a genre where the given company has core competencies in. I think this was the high point of the interview which I atleast would like to believe compensated for a later interview that I did not do well in. Another interview had a case where a pharmaceutical company in the US wants to enter India. A set of constraints and data was given and I was asked to calculate if it should actually setup a manufacturing facility in India or manufacture in the US and transport to India. I did not do well in this one, I wasn’t being able to come up with a figure. Both the interviews had an HR component where I was asked about my strengths and weaknesses, about Mood Indigo and my academic record. I was asked to describe myself. I was also asked to talk about my co-intern’s project in ITC (she was also interviewing with Opera). In a subsequent interview after the shortlist, I was asked to estimate the market for Maruti cars, domestic air travel. They weren't expecting too much detail, the interviewer was more interested in the approach. point.
Tips: I attended most of the initial PPTs. One does get a good understanding of what a firm does and where exactly do you fit into it, you also understand what they are looking for and what is the extent of their operations. I must admit though that I found my interaction with seniors, especially those working in those firms was more informative and fruitful. They can give clarity in certain grey areas that companies might stay non-committal on.ending across links/documents would help us compile a single point resource) . I prepared for case studies from the material I took from seniors, most of which is available on the LAN. For case studies I prepared with a friend and sometimes in groups of 3. I think this method is better than individual preparation because the other person can point out where you are going wrong, you get a different perspective and at the same time you can prepare in a fashion where one interviews the other and vice versa, so you get slightly comfortable with how an actual interview might feel like. It is however important to ensure that the person you are preparing with is competent and complementary to your skill sets, so that you can improve upon aspects where you might be lacking in.

General Tips: Case studies and HR questions. One should be very comfortable with points mentioned in the resume and should be able to talk at length about any . I guess it'd just be shifting a little from being myself if you know what I mean. A lot of seniors would give you a lot of fundae, but at the end one must remember that unless one is comfortable with a certain way of speaking or certain method of solving cases, it wont look genuine. For example, one need not thrash out every single detail of a case before beginning to solve it, sometimes the interviewer might get impatient or might think you are trying to buy time to think by asking unnecessary details. So if you are the kind of a person who can intuitively draw good conclusions at the outset so as to decide which direction to proceed in and hence which questions to ask, you can surely go ahead and do that, you need not also ask questions that you know are not required. Case interviews are very feel-good interviews, even if you make a mistake you will be guided back on track by the interviewer, hence I personally would recommend that you stick more to your general approach to solving cases (if you know it is a good one and works of course) and not try to change too much just because a certain senior did it in a different way.
College Name: IIT BOMBAY

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Duration

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4.0

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