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Nineleaps Technology Solutions Interview Questions, Process, and Tips
Top Nineleaps Technology Solutions Interview Questions and Answers
- Q1. Given a table with fields(id, name, salary, managerId) find out the managers who have atleast 5 reportees under him/her.asked in Data Analyst interview
- Q2. What are your strenghts?asked in Data Engineer interview
- Q3. write a program to check if string is a anagramasked in Software Developer interview
Nineleaps Technology Solutions Interview Experiences
31 interviews found
Anonymous
I applied via Instahyre and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. Coalesce, SQL Order of Execution
- Q2. Given a table with fields(id, name, salary, managerId) find out the managers who have atleast 5 reportees under him/her.
- Ans.
Use SQL query to count number of reportees for each manager and filter out those with atleast 5 reportees.
Write a SQL query to count number of reportees for each manager using GROUP BY clause
Add HAVING clause to filter out managers with atleast 5 reportees
Example: SELECT managerId, COUNT(id) AS num_reportees FROM table_name GROUP BY managerId HAVING num_reportees >= 5
- Q3. How to manage large datasets in python
- Ans.
Use libraries like pandas and dask to efficiently manage large datasets in Python.
Use pandas library for data manipulation and analysis.
Use dask library for parallel computing and out-of-core processing.
Optimize memory usage by loading data in chunks or using data types efficiently.
Consider using cloud services like AWS S3 or Google BigQuery for storing and processing large datasets.
- Q4. Name few of the commonly used python libraries used by DA
- Ans.
Some commonly used Python libraries for Data Analysts are Pandas, NumPy, Matplotlib, and Scikit-learn.
Pandas - used for data manipulation and analysis
NumPy - used for numerical computing and working with arrays
Matplotlib - used for data visualization
Scikit-learn - used for machine learning and data mining
Interview Preparation Tips
- SQL
- Python
Data Analyst Interview Questions asked at other Companies
It wa really a great experience.
It was really a great experience.
(2 Questions)
- Q1. Where do you see yourself after 3 years?
- Ans.
In 3 years, I see myself leading a team of data engineers, implementing cutting-edge technologies, and driving impactful data-driven decisions.
Leading a team of data engineers
Implementing cutting-edge technologies
Driving impactful data-driven decisions
- Q2. What are your strenghts?
- Ans.
My strengths include strong analytical skills, attention to detail, and the ability to work well in a team.
Strong analytical skills - able to analyze complex data sets and derive meaningful insights
Attention to detail - meticulous in ensuring data accuracy and quality
Team player - collaborate effectively with colleagues to achieve common goals
(3 Questions)
- Q1. What projects you have worked upon?
- Ans.
I have worked on projects involving building data pipelines, optimizing database performance, and creating machine learning models.
Built data pipelines using Apache Spark and Kafka
Optimized database performance by tuning queries and indexes
Created machine learning models for predictive analytics
Implemented real-time data processing using technologies like Apache Flink
- Q2. What is your CGPA?
- Ans.
My CGPA is 3.8 out of 4.0.
My CGPA is 3.8, which is considered high in my university.
I have consistently maintained a high CGPA throughout my academic career.
I have received several academic awards based on my CGPA.
My CGPA reflects my dedication and hard work towards my studies.
- Q3. What are your hobbies?
- Ans.
My hobbies include hiking, photography, and playing the guitar.
Hiking: I enjoy exploring nature trails and challenging myself physically.
Photography: I love capturing moments and landscapes through my camera lens.
Playing the guitar: I find relaxation and creativity in strumming chords and learning new songs.
Data Engineer Interview Questions asked at other Companies
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Asked about coalese in sql and its syntax.
- Q2. Sql from leetcode on windows function and joins and cte
Senior Data Analyst Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(3 Questions)
- Q1. Difference Between Union and Union All
- Ans.
Union combines and removes duplicates, Union All combines without removing duplicates
Union combines result sets and removes duplicates
Union All combines result sets without removing duplicates
Union is slower than Union All as it involves removing duplicates
Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;
Example: SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;
- Q2. SQL Execution order
- Q3. Coalesce function in SQL
- Ans.
Coalesce function in SQL is used to return the first non-null value in a list of expressions.
Coalesce function takes multiple parameters and returns the first non-null value.
It is commonly used to handle null values in SQL queries.
Example: SELECT COALESCE(column_name, 'N/A') FROM table_name;
Skills evaluated in this interview
Data Analyst Interview Questions asked at other Companies
Nineleaps Technology Solutions interview questions for popular designations
Software Development Engineer 3 Interview Questions & Answers
Shubhranshu Shekhar
posted on 8 Sep 2024
(2 Questions)
- Q1. What are states in flutter
- Ans.
States in Flutter are the data values that can change during the lifetime of a widget.
States are used to manage the data that changes over time in a Flutter application.
There are two types of states in Flutter: Stateful and Stateless.
Stateful widgets have mutable state that can change over time, while stateless widgets are immutable.
Examples of states in Flutter include user input, network requests, and animations.
- Q2. How do you manage states
- Ans.
I manage states by using state management libraries like Redux and MobX, and by following best practices like separating UI and business logic.
Use state management libraries like Redux or MobX to centralize and manage application state
Follow best practices like separating UI and business logic to keep states manageable and maintainable
Utilize local component state for simple and isolated state management within compone
Skills evaluated in this interview
Software Development Engineer 3 Interview Questions asked at other Companies
Get interview-ready with Top Nineleaps Technology Solutions Interview Questions
(2 Questions)
- Q1. Basic 10-15btheorotical question
- Q2. Join + window funct question
Interview Preparation Tips
Data Analyst Interview Questions asked at other Companies
General Aptitude Questions
(3 Questions)
- Q1. Queries on SQL, Basic Statistic Question related to normal curve, Basic Python question(from python interview question list of any website)
- Q2. Shape of normal Distribution
- Ans.
The shape of a normal distribution is bell-shaped and symmetrical.
A normal distribution has a peak at the mean and tails that extend to infinity in both directions.
The distribution is symmetrical, meaning that the left and right halves mirror each other.
The standard deviation determines the spread or width of the distribution.
Many natural phenomena and measurements in various fields follow a normal distribution.
Example...
- Q3. Valuess of mean median and mode
- Ans.
Mean, median, and mode are measures of central tendency in statistics.
Mean is the average of a set of numbers, calculated by summing all the values and dividing by the total count.
Median is the middle value in a sorted list of numbers. If there is an even number of values, it is the average of the two middle values.
Mode is the value that appears most frequently in a set of numbers. It can be a single value or multiple
(1 Question)
- Q1. General HR questions
(1 Question)
- Q1. General discussion round with ceo and about projects
Interview Preparation Tips
Then basics of python and Statistics
Data Engineer Interview Questions asked at other Companies
Selected
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
Simple question on maths
(2 Questions)
- Q1. Explain OOPS concept
- Ans.
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve complex problems
Key principles include encapsulation, inheritance, polymorphism, and abstraction
Encapsulation ensures that the internal state of an object is hidden from the outside world
Inheritance allows a class to inherit...
- Q2. Coding array questions
Software Developer Interview Questions asked at other Companies
(2 Questions)
- Q1. Career transition reason
- Ans.
Seeking new challenges and opportunities for growth
Desire to expand skill set and knowledge
Looking for a more challenging role
Seeking opportunities for career advancement
- Q2. STAR method of evaluation for situations
- Ans.
The STAR method is a structured way to respond to behavioral interview questions by discussing the Situation, Task, Action, and Result.
Situation - Describe the context or background of the situation you were in.
Task - Explain the specific task or goal you needed to accomplish.
Action - Outline the actions you took to address the situation or task.
Result - Share the outcome of your actions and any lessons learned.
Example...
Senior Talent Partner Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Dec 2023. There were 2 interview rounds.
(1 Question)
- Q1. How does spark run in the background?
- Ans.
Spark runs in the background using a cluster manager to allocate resources and schedule tasks.
Spark uses a cluster manager (such as YARN, Mesos, or Kubernetes) to allocate resources and schedule tasks.
Tasks are executed by worker nodes in the cluster, which communicate with the driver program.
The driver program coordinates the execution of tasks and manages the overall workflow.
Spark's DAG scheduler breaks the job into...
(1 Question)
- Q1. Write a python program to find the most occurred number in sequence
- Ans.
Python program to find the most occurred number in a sequence
Iterate through the sequence and count the occurrences of each number using a dictionary
Find the number with the highest count in the dictionary
Handle edge cases like empty sequence or multiple numbers with the same highest count
Skills evaluated in this interview
Senior Data Engineer Interview Questions asked at other Companies
Top trending discussions
Nineleaps Technology Solutions Interview FAQs
Some of the top questions asked at the Nineleaps Technology Solutions interview -
The duration of Nineleaps Technology Solutions interview process can vary, but typically it takes about less than 2 weeks to complete.
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Nineleaps Technology Solutions Interviews By Designations
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Nineleaps Technology Solutions Reviews and Ratings
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Rating in categories
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Data Analyst
86
salaries
|  ₹3 L/yr - ₹11.6 L/yr |
|
Software Development Engineer II
85
salaries
| ₹9 L/yr - ₹24 L/yr |
|
Software Developer
56
salaries
| ₹4 L/yr - ₹15 L/yr |
|
Software Development Engineer 1
53
salaries
| ₹6.5 L/yr - ₹13.5 L/yr |
|
Software Development Engineer
39
salaries
| ₹6.5 L/yr - ₹18.5 L/yr |
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