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Tanserv Business Process Interview Questions and Answers

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Data Platform Architect Interview Questions & Answers

Deloitte user image Anonymous

posted on 25 Feb 2025

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Technical 

(14 Questions)

  • Q1. What is the code to read a CSV file into a DataFrame using PySpark?
  • Q2. What is your approach to refactoring code?
  • Q3. How do you optimize pyspark code, how is peer review done,
  • Q4. What is the SQL query to join employee departments along with the count of employees in each department?
  • Q5. What is lazy evaluation in PySpark, and can you provide examples to illustrate this concept?
  • Q6. How do you write SQL queries using PySpark code?
  • Q7. What are the methods used to load data into a database?
  • Q8. What is the redshift spectrum?
  • Q9. What are the different types of indexing used in databases?
  • Q10. Could you describe your experience with sharing your screen to write PySpark code during scenarios in a Teams call, especially when you were using a mobile device?
  • Q11. What types of documentation are typically created during a project, and how is this documentation prepared?
  • Q12. How do you ensure that your code is written optimally, and how do you evaluate, debug, and test it for various scenarios?
  • Q13. What kind of documentation is written for pyspark code
  • Q14. What are the best practices that you follow?

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. The role would have client round and the candidate will have to write code and solve issues immediately in client interview call, this is what interviewer said
2. As a data platform architect, the role requires extreme level understanding of pyspark and sql not just overview as in other data architect role.
3. Docu
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Technical 

(21 Questions)

  • Q1. What is the Selenium architecture in relation to C#?
  • Q2. What are the concepts of Object-Oriented Programming (OOP) in relation to your project?
  • Q3. What are locators, and what are the different types of XPath?
  • Q4. Have you ever managed cookies and caches in automation?
  • Q5. How have you managed team members in your previous roles?
  • Q6. How do you manage a situation where resources are limited and there is a deadline for completing testing?
  • Q7. What is the defect life cycle?
  • Q8. What is test scenario?
  • Q9. What is the relationship between test coverage and a test matrix?
  • Q10. How do you handle conflicting situations when working on priority-based tasks?
  • Q11. What are the meanings of "Given," "When," and "Then" in Gherkin language? Please explain.
  • Q12. What is the difference between a scenario and a scenario outline?
  • Q13. What contributions have you made to the framework?
  • Q14. What information do you include in a POM (Project Object Model) file?
  • Q15. What are the differences between WebDriver and ChromeDriver?
  • Q16. Syntax of xpath
  • Q17. How do you manage dynamic elements on a webpage?
  • Q18. How do you inspect a drop-down element and write the corresponding syntax for handling drop-downs in Selenium?
  • Q19. What is the structure of a framework? Explain.
  • Q20. Explain feature file linking in relation to the step definition file?
  • Q21. What do you write in LINQ, what is its purpose, and how do you validate the database data against the user interface?

Interview Preparation Tips

Interview preparation tips for other job seekers - First, secure an interview and obtain an offer letter with a 40% salary increase. After that, negotiate with your current company; if the negotiations do not yield favorable results, use the same offer letter to apply to another company for a higher salary. Ensure to confirm the total cost to company (CTC) they are offering before attending interviews; if their budget does not align with yours, it would waste time for both parties.They may not respond to candidates though interview went well because they may move with lower salary expectations.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(1 Question)

  • Q1. A word will be given and how would you develop a discussion or speech based on that word?
Round 2 - Technical 

(1 Question)

  • Q1. Some questions to check communication
Round 3 - HR 

(1 Question)

  • Q1. Basic Hr question will be asked
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected
Round 1 - Technical 

(5 Questions)

  • Q1. Cdd edd sdd difference
  • Q2. Regulatory websites
  • Q3. Organizational charts ,risk factors
  • Q4. Risk thresholds, explanation of documents for different types of investor types
  • Q5. Screenings,high risk factors
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(5 Questions)

  • Q1. Basics of Python, Flask, ReactJs, RestApi Development
  • Q2. Python - Difference between is and ==
  • Q3. React - useEffect vs useState
  • Q4. Authentication in RestApi
  • Q5. React - Pure Component and Higher order components
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Dec 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Common aptitude questions on mettl platform

Round 2 - Technical 

(3 Questions)

  • Q1. Python Standard interview questions
  • Q2. SQL Standard interview questions (Easy)
  • Q3. CaseStudy and questions based on it.
Round 3 - HR 

(3 Questions)

  • Q1. Common hr questions
  • Q2. Puzzles
  • Q3. Project Discussion

Interview Preparation Tips

Topics to prepare for ZS Junior Analyst interview:
  • Python
  • SQL
  • R
Interview preparation tips for other job seekers - I felt ZS Associates pay less, because for similar roles on campus they pay nealy 14 LPA but for Off campus they pay 4 LPA.

So confirm with the hr before even attending the interviews.
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
6-8 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Time you worked under pressure, with a team
Round 2 - Assignment 

Writing Sample based on HBR

Round 3 - Case Study 

Case study on 4 day work week using RCA

Interview Preparation Tips

Interview preparation tips for other job seekers - There were four rounds of interviews, starting with one hour behavioural around, writing sample, case study and final interview for cultural fit. The overall recruitment process is very disorganised as I applied for this role in October before Diwali and the HR got back to me in November end. It's almost as of September 2024 they have this position open and cannot fill it up I had qualified until the case study round which was a very negative experience overall the interviewer was from a senior position. This round requires you to have business acumen and use the RCA technique to perform well enough. It seems to me that the expectations are unreasonably high for a fresher level role and they want someone who is a jack of all trades and they don't have to provide the necessary training once the person joins. Worst, they called their recruitment process a very high standard as an excuse but this is a very wrong culture, especially for freshers starting their career as they're looking for highly technical skills. My writing sample and behaviour round went super well but the ultimate deciding factor for them was the case study round. I think it just shows how rigid they are and how they willingly ignore my other capabilities and stuck on that one round to make a decision. Would have been better if they just took the case stud round first if they were so specific on that skill set instead of wasting my time. The interviewer for the case study round was very rude and over confident on his skills and expertise that he wasn't willing to fully listen to me or let me complete my answer it felt like he already knew he didn't find me a fit. Gartner could be a good organisation overall but I think individuals in this company such as the one interviewing for this role is not doing any justice to the good reputation.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Oct 2024. There were 6 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. Past experience ?
  • Q2. Market Research questions?
Round 2 - Technical 

(3 Questions)

  • Q1. Market Sizing, Qualitative and quantitative?
  • Q2. SWOT, PESEL and other tool
  • Q3. Data collection process Primary/Secondary
Round 3 - Assignment 

Market Report on any topic, which includes Market Sizing, SWOT, other analysis

Round 4 - One-on-one 

(2 Questions)

  • Q1. Technical questions about market research?
  • Q2. Interview questions related to past experience
Round 5 - One-on-one 

(2 Questions)

  • Q1. General interview with Manager
  • Q2. Salary discussion and company overview
Round 6 - Aptitude Test 

Quantitative, reasoning, english and behavioral questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through your experience in detail, prepare general market research QNA, along with technical QNA. Just be confident about what you have done in past and try to be honest.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
No response

I was interviewed in Dec 2024.

Round 1 - Technical 

(6 Questions)

  • Q1. What is spark,explain its ecosystem
  • Q2. What are transformations, and how many types of transformations exist?
  • Q3. Explain about spark job process and its planning
  • Q4. What are the concepts of coalesce and repartition in data processing?
  • Q5. Explain about oom and driverhead memory
  • Q6. What is data skewness
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
-
Result
-

I was interviewed in Jan 2025.

Round 1 - Technical 

(2 Questions)

  • Q1. Show architecture of multiple microservice in MS Paint..
  • Ans. 

    Architecture of multiple microservices in MS Paint

    • Draw separate boxes for each microservice

    • Connect the boxes with lines to show communication

    • Label each box with the name of the microservice

    • Include any databases or external services used by the microservices

  • Answered by AI
  • Q2. Why we use dependency injection, draw it inms paint...,first told me give real life example and when I gave the answer he cut me off again..

Interview Preparation Tips

Interview preparation tips for other job seekers - The interviewers was so rude.. it's like he was not in the mood of taking an interview.. wasn't giving me chance to talk, didn't hear my answers and keep cutting me back.. forcing me to show the flow in MS paint.. How one can show the flow of "why we use dependency injection" in MS paint.. when I showed like we will have interface then classes and to connect them we will use dependency he cut me off again and said don't explain just draw... one of the worst interview of my life.. I actually lost respect for the whole EY organization after it... compare to other big 4 interviewers they are so polite and ask normal questions.. Very bad experience

Tanserv Business Process Interview FAQs

How to prepare for Tanserv Business Process interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Tanserv Business Process. The most common topics and skills that interviewers at Tanserv Business Process expect are Invoicing, Accounts Receivable, Dispute resolution, Receivable Management and Client Relationship Management.

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Tanserv Business Process Reviews and Ratings

based on 39 reviews

3.9/5

Rating in categories

3.5

Skill development

3.8

Work-life balance

3.7

Salary

3.6

Job security

3.8

Company culture

3.4

Promotions

3.5

Work satisfaction

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