AmbitionBox
Interview Questions
- Reviews
- Salaries
- Interview Questions
- About Company
- Benefits
- Jobs
- Office Photos
- Community
Add office photos
Filter interviews by
KFintech Senior Data Engineer Interview Questions and Answers
KFintech Senior Data Engineer Interview Experiences
1 interview found
Anmol Sinha
Selected
I applied via LinkedIn and was interviewed before Jan 2024. There were 2 interview rounds.
It was an MCQ based coding round on platform "Mettl" and there were various questions on topics associated to DevOps tools, Cloud technologies as well as core Scala based concepts, followed by 2 coding question based on DSA concepts.
(3 Questions)
- Q1. Given an sorted array of integers, assume if each element is squared, provide the sorted array for squared elements in the least possible time complexity.
- Ans.
Given a sorted array of integers, return the sorted array of squared elements in least time complexity.
Create a new array to store squared elements
Use two pointers to iterate through the original array from both ends
Compare the squared values and add them to the new array in descending order
- Q2. Explain Transaction Isolation, and what are the various types of Transaction isolation in RDBMS ?
- Ans.
Transaction isolation is a concept in databases that ensures transactions are executed independently of each other.
Transaction isolation levels determine the degree to which one transaction must be isolated from other transactions.
Types of transaction isolation levels include Read Uncommitted, Read Committed, Repeatable Read, and Serializable.
Each isolation level offers a different level of consistency and concurrency ...
- Q3. Given infinite coins of some currency of denominations : 1,2,5,10, so In how many unique distinct ways can we obtain a total amount of say: 25 ? Same thing how to do it for non-unique repeated combination...
- Ans.
There are multiple ways to obtain a total amount of 25 using coins of denominations 1, 2, 5, and 10. The question asks for unique distinct ways and non-unique repeated combinations or permutations.
For unique distinct ways, you can use dynamic programming to calculate the number of ways to reach the target amount.
For non-unique repeated combinations or permutations, you can use a recursive function to generate all possi...
Interview Preparation Tips
- SQL
- DBMS
- Big Data
- Spark
- Javascript
- Python
- OOP
- AWS
- System Design
- Devops
Top trending discussions
Interview questions from similar companies
Anonymous
Selected
I applied via Referral and was interviewed in Oct 2024. There were 2 interview rounds.
Medium level questions
(2 Questions)
- Q1. Sorting Python question
- Q2. Hard SQL question
I applied via Naukri.com and was interviewed in Jan 2024. There were 2 interview rounds.
(1 Question)
- Q1. Basics of SQL python
Python sql skills were tested and candidates are selected
Selected
(1 Question)
- Q1. Spark optimisation
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Dec 2024. There were 4 interview rounds.
Given Python coding challenge related to string processing and second question was matrix processing using python
(4 Questions)
- Q1. Bagging boosting and its difference and uses.
- Q2. Methods to minimize overfitting and underfitting
- Q3. Transformer architecture
- Q4. LLM usecase and explain how to work on it
(2 Questions)
- Q1. Given data, find out what AI project can be discovered and how to progress on implementing it.
- Q2. Given data and usecase, which model to use to implement solution and how detailed steps.
(2 Questions)
- Q1. Discussed each project in my resume in detail and related questions
- Q2. Discussed team and personal behavioural questions
Interview Preparation Tips
I was interviewed in Dec 2024.
(1 Question)
- Q1. What are the best and worst solutions for the coding problem "Longest Substring Without Repeating Characters," including a detailed explanation of each solution along with their time and space complexity?
- Ans.
The Longest Substring Without Repeating Characters problem involves finding the length of the longest substring without any repeating characters.
Best solution: Sliding Window approach with HashSet to track unique characters. Time complexity O(n), space complexity O(min(n, m)) where n is the length of the string and m is the size of the character set.
Worst solution: Brute force approach checking all substrings for uniqu...
(1 Question)
- Q1. Questions regarding Redis and cache eviction policies, and how would you implement a low-level design for the Least Recently Used (LRU) cache algorithm?
I applied via Instahyre and was interviewed in Nov 2024. There were 2 interview rounds.
Was of 1 hour, got asked about 3 sum as well as a medium level problem
(2 Questions)
- Q1. Releated to IOS
- Q2. About multithreading, deep dive
Interview Preparation Tips
- IOS
- Swift
- Data Structures
I applied via Referral and was interviewed in Oct 2024. There were 3 interview rounds.
Sql, python, statistical questions
(2 Questions)
- Q1. How daily work looks like?
- Ans.
Daily work involves analyzing data, creating reports, and communicating findings to stakeholders.
Reviewing and cleaning data sets
Creating visualizations and dashboards
Conducting statistical analysis
Communicating insights to non-technical stakeholders
- Q2. Most ise tools?
- Ans.
Some of the most commonly used tools for data analysis include Excel, Python, R, Tableau, and SQL.
Excel is widely used for data manipulation and analysis.
Python and R are popular programming languages for data analysis and machine learning.
Tableau is a powerful data visualization tool.
SQL is essential for querying databases and extracting data.
4 sql tasks on 3 tables. Joins, subqueries
Interview Preparation Tips
Sql mandatory
Skills evaluated in this interview
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
It was a basic Aptitude test, Needed to learn Probability, Permutation , Cobination and SQL.
Total Duration 1 Hour.
(1 Question)
- Q1. GCD of 2 strings
KFintech Interview FAQs
Some of the top questions asked at the KFintech Senior Data Engineer interview -
Tell us how to improve this page.
KFintech Interviews By Designations
- KFintech Senior Associate Interview Questions
- KFintech Associate Interview Questions
- KFintech Process Associate Interview Questions
- KFintech Assistant Manager Interview Questions
- KFintech Officer Interview Questions
- KFintech Investor Relation Officer Interview Questions
- KFintech Operations Executive Interview Questions
- KFintech MIS Executive Interview Questions
- Show more
Interview Questions for Popular Designations
- Data Engineer Interview Questions
- Big Data Engineer Interview Questions
- Senior Software Engineer Interview Questions
- Senior Data Analyst Interview Questions
- Database Admin Interview Questions
- Senior Data Scientist Interview Questions
- Data Analyst Interview Questions
- Senior Consultant Interview Questions
- Show more
KFintech Senior Data Engineer Interview Process
based on 1 interview
Interview experience
Interview Questions from Similar Companies
Fast track your campus placements
|
Senior Associate
1.5k
salaries
|  ₹1 L/yr - ₹4.5 L/yr |
|
Executive
712
salaries
| ₹1.8 L/yr - ₹5.7 L/yr |
|
Process Associate
599
salaries
| ₹0.6 L/yr - ₹4.3 L/yr |
|
Associate
555
salaries
| ₹1 L/yr - ₹4.3 L/yr |
|
Assistant Manager
540
salaries
| ₹2.5 L/yr - ₹7.5 L/yr |
CAMS
National Securities Depository
Central Depository Services (I)
Link Intime
- Home >
- Interviews >
- KFintech Interview Questions >
- KFintech Senior Data Engineer Interview Questions
