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Datadot Software Solutions Data Engineer Interview Questions and Answers
Datadot Software Solutions Data Engineer Interview Experiences
1 interview found
radhwa dhiya
(2 Questions)
- Q1. Explain the thesis
- Ans.
The thesis is a statement or theory that is put forward as a premise to be maintained or proved.
A thesis is a central idea or argument that a writer or speaker presents in a text or speech.
It is typically found in the introduction or conclusion of a paper or presentation.
The thesis should be clear, specific, and debatable to guide the reader or listener through the rest of the work.
- Q2. Education background
(2 Questions)
- Q1. Explain the thesis
- Ans.
The thesis is a statement or theory that is put forward as a premise to be maintained or proved.
A thesis is a central idea or argument that a writer or speaker puts forward.
It is typically found in the introduction of an essay or research paper.
The thesis guides the reader or listener through the rest of the work, providing a focus for the content.
For example, in a research paper on climate change, the thesis might be:...
- Q2. Internship experience
Interview questions from similar companies
I applied via Company Website and was interviewed in Oct 2024. There were 4 interview rounds.
Basic Python, SQL, and Bash questions
(4 Questions)
- Q1. SQL questions with operations that include changing from string to array. Tip: stick to RDBMS-specific dialects only (like Postgres), I used Spark SQL
- Q2. Simple Python questions with a follow-up to optimise it
- Q3. Bash script-based questions, are pretty basic.
- Q4. Data pipeline design and best practices.
- Ans.
Data pipeline design involves creating a system to efficiently collect, process, and analyze data.
Understand the data sources and requirements before designing the pipeline.
Use tools like Apache Kafka, Apache NiFi, or AWS Glue for data ingestion and processing.
Implement data validation and error handling mechanisms to ensure data quality.
Consider scalability and performance optimization while designing the pipeline.
Doc...
(3 Questions)
- Q1. Easy to medium Leetcode-based question. With moderate difficulty.
- Q2. Simple Python-based question with optimisation.
- Q3. Design specific questions based on Data pipelines.
(3 Questions)
- Q1. SQL-based question with moderate difficulty.
- Q2. Python-based questions, follow questions with some optimisations.
- Q3. Bash-script based round.
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
Hackerearth problem on reversing the string & one more array question
(2 Questions)
- Q1. Reverse the string
- Ans.
Reverse a given string
Use built-in functions like reverse() in Python
Iterate through the string in reverse order and append characters to a new string
Use stack data structure to reverse the string
- Q2. SQL based windowing function
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed in Feb 2024. There were 4 interview rounds.
(2 Questions)
- Q1. What are cyclic linked lists
- Ans.
Cyclic linked lists are linked lists where the last node points back to the first node, creating a loop.
Cyclic linked lists have no NULL pointers, making it difficult to determine the end of the list.
They can be used to efficiently represent circular data structures like a round-robin scheduling algorithm.
Detecting cycles in a linked list can be done using Floyd's cycle-finding algorithm.
- Q2. Coding question from BST
(2 Questions)
- Q1. About data modelling and Architecture
- Q2. Real world problem and solution
- Ans.
Real world problem: Predicting customer churn in a subscription-based service
Collect and analyze customer data such as usage patterns, demographics, and interactions
Use machine learning algorithms to identify factors leading to churn
Implement targeted retention strategies based on the analysis
Monitor and evaluate the effectiveness of the strategies over time
(2 Questions)
- Q1. Sql technical round
- Q2. About various azure services
(2 Questions)
- Q1. About my work area
- Q2. Managerial and company fit
Interview Preparation Tips
Skills evaluated in this interview
Factorial coding questions and SQL coding questions using group by
(2 Questions)
- Q1. Java questions on oops concepts
- Q2. SQL questions on having clause
(2 Questions)
- Q1. Can you relocate
- Q2. Brief info about amdocs
- Ans.
Amdocs is a software and services provider for communications, media, and entertainment industries.
Founded in 1982 in Israel
Headquartered in Chesterfield, Missouri
Provides customer experience solutions for telecom companies
Offers services such as billing, CRM, and data analytics
Interview Preparation Tips
shreyansh sahay
(1 Question)
- Q1. Explain surrogate key
- Ans.
Surrogate key is a unique identifier used in databases to uniquely identify each record in a table.
Surrogate keys are typically generated by the system and have no business meaning.
They are used to simplify database operations and improve performance.
Example: Using an auto-incrementing integer column as a surrogate key in a table.
Selected
I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 2 interview rounds.
Test kn logical reasons , date time , train , relationship questions.
Basic python questions
Selected
I applied via Recruitment Consulltant and was interviewed before Jun 2022. There were 3 interview rounds.
Sql queries not too difficult asked to write on google document.
(1 Question)
- Q1. It’s was for contractual position and had only one round which is technical and HR combined
Software Engineer Interview Questions & Answers
Intellect Design Arena
Anonymous
posted on 11 Dec 2024
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Angular structure
- Q2. Dependency injection
(2 Questions)
- Q1. Manageral questions
- Q2. Scenario based questions
(1 Question)
- Q1. Package discussion
Tharun J M
(2 Questions)
- Q1. What is the importance of manual testing when compared to automation testing
- Ans.
Manual testing is important for exploratory testing, usability testing, and ad-hoc testing.
Manual testing allows for exploratory testing where testers can explore the application and identify unexpected issues.
Usability testing, which involves real users interacting with the software, is best done manually to capture user experience.
Ad-hoc testing, where testers randomly test the application without predefined test cas...
- Q2. Real life scenario on web application testing
- Ans.
Testing a web application for an online shopping platform
Testing the functionality of adding items to the cart and checking out
Testing the payment gateway integration for secure transactions
Testing the search functionality to ensure accurate results are displayed
Testing the responsiveness of the website on different devices and browsers
Interview Preparation Tips
Skills evaluated in this interview
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