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Hitachi Data Engineer Interview Questions and Answers
Hitachi Data Engineer Interview Experiences
1 interview found
Mukta Talokar
I appeared for an interview in Dec 2024.
(1 Question)
- Q1. Tell me about yourself and projects
- Ans.
I am a data engineer with experience in building data pipelines and optimizing data storage for various projects.
Developed ETL pipelines to extract, transform, and load data from multiple sources into a centralized data warehouse
Implemented data modeling techniques to optimize database performance and ensure data integrity
Worked on real-time data processing systems using technologies like Apache Kafka and Spark Streami...
Interview Preparation Tips
Interview questions from similar companies
Anonymous
I appeared for an interview in Aug 2017.
Interview Questionnaire
4 Questions
- Q1. Difference between c and java?
- Ans.
C is a procedural programming language while Java is an object-oriented programming language.
C is a low-level language while Java is a high-level language.
C requires manual memory management while Java has automatic memory management.
C is platform-dependent while Java is platform-independent.
C supports pointers while Java does not.
C has a simpler syntax compared to Java.
- Q2. Difference between final, finally and finalize
- Ans.
final, finally, and finalize are keywords in Java with different meanings.
final is a keyword used to declare a constant value, a variable that cannot be modified.
finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.
finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.
final and finally a...
- Q3. About yourself
- Q4. Why Johnson
- Ans.
Johnson is a reputable company known for its innovative software solutions and collaborative work environment.
Johnson has a strong reputation in the industry for delivering high-quality software solutions.
The company values collaboration and teamwork, which aligns with my own work style.
I admire Johnson's commitment to innovation and staying ahead of technological advancements.
Interview Preparation Tips
Experience: Questions was unpredictable as it was from reasoning,verbal , and from general knowledge also.Technical questions was also there.
Tips: Technical question was not that hard. Just have good basic knowledge of programming and DBMS
Round: Technical Interview
Experience: It was from basic concepts only.
Round: HR Interview
Experience: There were 12 HRs to take my interview but asked mainly from CV only.
Tips: Be calm and confident and learn the basic of subjects
College Name: BPPIMT
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Core Java, J2EE
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Apr 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Scenario based questions on Python.
- Q2. Automate a travel booking website using python and selenium.
- Ans.
Automating a travel booking website using Python and Selenium involves writing scripts to simulate user actions.
Use Selenium WebDriver to automate browser actions
Identify web elements using locators like ID, class, name, etc.
Use Python libraries like requests and BeautifulSoup for web scraping
Implement test cases to ensure the website functions as expected
Handle exceptions and errors that may occur during automation
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Jul 2021. There were 2 interview rounds.
(1 Question)
- Q1. What is your motivation to apply for this position?
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. 1. What are delegates? 2. Question on Linq C# 3. Most of the questions were on design patterns and SOLID principles 4. OOPS concepts 5. Puzzles were also there.
Coding on dsa with easy will question
(1 Question)
- Q1. Draw a linked list
Dsa + JavaScript related questions and outputs
Js related coding + easy dsa
(2 Questions)
- Q1. Mostly about the projects you did earlier
- Q2. What do you focus on learning in future
- Ans.
I focus on learning new programming languages, technologies, and best practices to stay current in the industry.
Learning new programming languages such as Python or Go
Exploring emerging technologies like blockchain or machine learning
Staying updated on best practices in software development such as Agile or DevOps
Improving problem-solving skills through coding challenges and projects
(2 Questions)
- Q1. 3rd highest salary
- Ans.
To find the 3rd highest salary in a database, we can use a SQL query with the ORDER BY and LIMIT clauses.
Write a SQL query to select distinct salaries from the database table.
Use the ORDER BY clause to sort the salaries in descending order.
Add the LIMIT 2,1 clause to skip the first two highest salaries and select the third highest salary.
Execute the query to retrieve the 3rd highest salary from the database.
- Q2. Case statemmet
(2 Questions)
- Q1. Snowflake and characters
- Q2. Dwh concepts
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Apr 2024. There were 2 interview rounds.
It was based on core knowledge
(1 Question)
- Q1. What is you name
Interview Preparation Tips
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Hitachi Data Engineer Interview Process
based on 1 interview
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Hitachi Data Engineer Reviews and Ratings
based on 2 reviews
Rating in categories
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| ₹6 L/yr - ₹26 L/yr |
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| ₹5.2 L/yr - ₹16 L/yr |
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| ₹1.4 L/yr - ₹7 L/yr |
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