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OneFin Interview Questions and Answers
Updated
19 Jan 2025
OneFin Interview Experiences
Popular Designations
4 interviews found
Keep Calm Programmers!
Interview experience
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected
I applied via Indeed and was interviewed in Aug 2024. There were 2 interview rounds.
Round 1 - Technical
(2 Questions)
- Q1. Check weather in given list having the pair sum if yes return first index of those items else -1. Solve it under 25 minutes that was the challenge in interviewer editor
- Q2. Questions about databases, apis, *args, **kwargs etc.
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Round 2 - Technical
(2 Questions)
- Q1. Given an list of numbers from 1..N find all the missing, repeated and out of boundary numbers
- Ans.
Find missing, repeated, and out of boundary numbers in a list of 1..N
Iterate through the list and keep track of seen numbers using a set
For missing numbers, compare the set of seen numbers with the range 1..N
For repeated numbers, check for duplicates in the list
For out of boundary numbers, check for numbers outside the range 1..N
- Q2. About your projects and previous work experience
Answered by
AI
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Interview Preparation Tips
Interview preparation tips for other job seekers - You should have problem solving skills atleast with list, string and dictionary data structure
Some knowledge of programming, databases and apis what it is and why it's important
Built some projects and try to solve an good assignment using your coding skills
Helps in to crack this interview
Some knowledge of programming, databases and apis what it is and why it's important
Built some projects and try to solve an good assignment using your coding skills
Helps in to crack this interview
Skills evaluated in this interview
Anonymous
Interview experience
Poor
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Not Selected
I was interviewed in Jul 2024.
Round 1 - Technical
(2 Questions)
- Q1. Tell me about all the third party tools your business uses
- Ans.
Our business uses a variety of third party tools for different purposes.
Customer Relationship Management (CRM) software - Salesforce, HubSpot
Project Management tools - Jira, Trello
Code repositories - GitHub, Bitbucket
Analytics tools - Google Analytics, Mixpanel
- Q2. Ower design is superior to your why didn't you follow l
- Ans.
I chose a different design approach based on specific project requirements and constraints.
Considered project requirements and constraints when deciding on design approach
Different designs may have different trade-offs and considerations
Example: Chose a design that prioritized scalability over simplicity due to anticipated growth in user base
Answered by
AI
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AI
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Interview Preparation Tips
Interview preparation tips for other job seekers - For junior positions you can apply not for senior positions.
Principal Software Engineer Interview Questions asked at other Companies
Q1. Codng question:For the given stream of integers, calculate the avg,print top 10 elements and bottom 10 elements. It was not clearly mentioned on the problem. After poking more on the problem only provided the details.
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(1)
anushka meena
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test
Maths and coding questions
Round 2 - Technical
(1 Question)
- Q1. DSA basic questions
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Senior Backend Developer Interview Questions asked at other Companies
Q1. Design a admin dashboard for uber to show driver metrics like availability over an area
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(1)
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test
Common reasoning and aptitude questions.
Software Development Engineer Intern Interview Questions asked at other Companies
Q1. Say you're dealing with really long integers. They're too long to fit into a regular datatype, so linked lists are used to store them, with each node of the list containing one digit. Now the problem is, given two linked lists, i.e. two rea...
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(2)
OneFin interview questions for popular designations
Top trending discussions
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Interview Tips & Stories
4d
lemonysmith
·
works at
Infosys
How to Get Interviews Despite a 3-Month Notice Period?
I am currently working at Infosys and have a three-month notice period. I feel that mentioning this is affecting my chances of getting interview calls. How can I get interviews scheduled despite this? Any tips or strategies would be helpful!
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Interview questions from similar companies
Interview experience
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?
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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
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
Excellent
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Selected
I was interviewed in Jan 2025.
Round 1 - One-on-one
(2 Questions)
- Q1. Sale price on on day
- Q2. Start working
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Interview Preparation Tips
Interview preparation tips for other job seekers - Fofocus heavily on networking, tailoring your resume with relevant keywords, actively following up with potential employers, showcasing your sales skills in interviews through storytelling, and monitoring companies you're interested in to stay updated on opportunities.
Key points to remember:
Prioritize networking:
Utilize your network to connect with people in the industry, attend industry events, and leverage platforms like LinkedIn to build relationships with potential hiring managers.
Tailor your resume:
Include relevant sales keywords throughout your resume to catch the attention of recruiters and ensure your experience aligns with the job description.
Practice your sales pitch:
Prepare compelling stories from your past experiences to demonstrate your ability to close deals, overcome objections, and build rapport during interviews.
Follow up consistently:
After submitting applications, send personalized follow-up emails to maintain engagement with potential employers.
Research companies:
Actively monitor companies you're interested in by following their social media and news to stay informed about potential openings.
Highlight transferable skills:
Even if you lack direct sales experience, emphasize skills like communication, persuasion, relationship building, and problem-solving that translate well to a sales role.
Ask insightful questions:
During interviews, demonstrate your knowledge of the company and role by asking thoughtful questions that show your genuine interest.
Be enthusiastic and confident:
Convey a positive attitude and express your passion for sales to make a strong impression on potential employers.
Key points to remember:
Prioritize networking:
Utilize your network to connect with people in the industry, attend industry events, and leverage platforms like LinkedIn to build relationships with potential hiring managers.
Tailor your resume:
Include relevant sales keywords throughout your resume to catch the attention of recruiters and ensure your experience aligns with the job description.
Practice your sales pitch:
Prepare compelling stories from your past experiences to demonstrate your ability to close deals, overcome objections, and build rapport during interviews.
Follow up consistently:
After submitting applications, send personalized follow-up emails to maintain engagement with potential employers.
Research companies:
Actively monitor companies you're interested in by following their social media and news to stay informed about potential openings.
Highlight transferable skills:
Even if you lack direct sales experience, emphasize skills like communication, persuasion, relationship building, and problem-solving that translate well to a sales role.
Ask insightful questions:
During interviews, demonstrate your knowledge of the company and role by asking thoughtful questions that show your genuine interest.
Be enthusiastic and confident:
Convey a positive attitude and express your passion for sales to make a strong impression on potential employers.
Interview experience
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response
I was interviewed in Jan 2025.
Round 1 - Technical
(8 Questions)
- Q1. Self intro and project architecture
- Q2. What are the data sources used?
- Q3. Bigquery architecture
- Q4. Partition vs clustering
- Q5. Bq commands on create table and load csv file
- Q6. Bq commands on show the schema of the table
- Q7. Explain about leaf nodes and columnar storage.
- Q8. How many slots are there in bigquery?
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Interview experience
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected
I was interviewed in Jan 2025.
Round 1 - Coding Test
A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8
The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.
Round 2 - Technical
(6 Questions)
- Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
- Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
- Ans.
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.
Subclasses of a sealed class must be either final or sealed themselves.
Errors may occur when trying to extend a sealed class with a non-permitted subclass.
- Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
- Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
- Ans.
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
Create a database table to store user notifications for out-of-stock items
Implement a service to check item availability and send notifications to subscribed users
Provide a user interface for users to subscribe to notifications for specific items
- Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
- Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Answered by
AI
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Interview Preparation Tips
Interview preparation tips for other job seekers - I always suggest staying away from these companies commonly referred to as WITCH (Wipro, Infosys, TCS, Cognizant, HCL). You will rarely encounter good interviewers there unless there is an extreme necessity. Interview was judging me on the basis of syntex by seeing in his phone. How can everyone write each and everything on copy. For the low level design first time in my 6 years carrier someone asked to design without using kafka or any other library like spring boot to achieve that add in reminder list problem 😂. At first it was my bad after holding a offer of almost 27 lakh I somehow agreed for giving interview. Second thing I also know that after Even clearing they cannot afford 30LPA which I asked. I just went there because from last 6.5 year I have never attended any walking or face to face interview so was curious for it. Currently also working with somewhat premium product development company only. My experience was very bad. May be it can get vary person to person.
Interview experience
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR
(2 Questions)
- Q1. Can you introduce yourself?
- Q2. What is your current Cost to Company (CTC)?
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Round 2 - Technical
(7 Questions)
- Q1. Tell me about yourself.
- Q2. What is accuracy, and how does it differ from precision?
- Q3. What are the key rules regarding gold investments?
- Q4. What are the different types of accounting statements?
- Q5. What is the concept of depreciation?
- Q6. What is the process of reconciliation?
- Q7. What types of accruals will you post?
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Interview experience
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected
I was interviewed in Jan 2025.
Round 1 - One-on-one
(5 Questions)
- Q1. As per hr question
- Q2. What is your strength
- Q3. Why are you choose this company?
- Q4. After 5 years where you see which position?
- Q5. Why should we hire you?
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OneFin Interview FAQs
How many rounds are there in OneFin interview?
OneFin interview process usually has 1-2 rounds. The most common rounds in the OneFin interview process are Technical and Aptitude Test.
How to prepare for OneFin 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 OneFin. The most common topics and skills that interviewers at OneFin expect are Python, API, AWS, Angularjs and Backend.
What are the top questions asked in OneFin interview?
Some of the top questions asked at the OneFin interview -
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Interview Questions for Popular Designations
OneFin Interview Process
based on 3 interviews
Interview experience
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