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Hitachi Energy Data Engineer Interview Questions and Answers
Hitachi Energy Data Engineer Interview Experiences
1 interview found
navin k
(3 Questions)
- Q1. Difference between ADF and synapse in Azure
- Ans.
ADF is a cloud-based data integration service while Synapse is an analytics service that brings together big data and data warehousing.
ADF is used for data integration and orchestration tasks, while Synapse is used for big data analytics and data warehousing
ADF allows you to create data pipelines to move and transform data, while Synapse provides a unified experience for data preparation, data management, data warehous...
- Q2. What RDD & why
- Q3. What SCD1 and SCD2
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Selected
I appeared for an interview before Oct 2022.
Practical test was taken in this round
(3 Questions)
- Q1. More of a managerial round
- Q2. Tell about current role
- Q3. Question on current project
(1 Question)
- Q1. Tell about yourself
Ayush Vaishya
Mettle test and mcq were given in interview
Interview Questionnaire
1 Question
- Q1. Normal question about personality and job related
Interview Preparation Tips
Experience: Interview was going smoothly & all questions was related my job so it's was easy for me.
Tips: Good knowledge about of wind turbine
Duration: 2 hours
Total Questions: 25
Round: HR Interview
Experience: Interview was completed so easy
Tips: Required nice personality and confidence is must required
I applied via Referral and was interviewed before Mar 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Method Overloading and Method Overriding
- Q2. Excel Presentation
Interview Preparation Tips
Pavan Kumar
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1. Coding question on max sum of subsequence ?
- Q2. 2. Coding in question of finding number with most frequency when input array size is ~ 1M.
- Ans.
Finding number with most frequency in 1M size array of strings.
Use a hash table to store the frequency of each number.
Iterate through the array and update the frequency in the hash table.
Find the number with the highest frequency in the hash table.
- Q3. 3. Find lenght of linked list in single iteration.
- Q4. In dept of Cassandra, Applciation performance improvement, troubleshooting.
Interview Preparation Tips
Skills evaluated in this interview
Hitachi Energy HR Interview Questions
Software Engineer Interview Questions & Answers
Power Grid Corporation of India
Anonymous
posted on 27 Mar 2025
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. What skills do you specialize in?
- Ans.
I specialize in full-stack development, focusing on JavaScript frameworks, cloud computing, and agile methodologies.
Proficient in JavaScript frameworks like React and Angular for building dynamic user interfaces.
Experienced in backend development using Node.js and Express, enabling seamless API integration.
Skilled in cloud services such as AWS and Azure, optimizing application deployment and scalability.
Familiar with a...
- Q2. How many years of experience do you have?
- Q3. What additional qualifications do you possess?
- Q4. In what areas do you have knowledge or expertise?
- Ans.
I have expertise in software development, algorithms, data structures, and web technologies, with a focus on scalable applications.
Proficient in programming languages like Python, Java, and JavaScript.
Experience with web frameworks such as React for front-end and Node.js for back-end development.
Strong understanding of algorithms and data structures, demonstrated through competitive programming.
Familiar with cloud serv...
Interview Preparation Tips
SOUMYADIP GHOSH
I applied via Job Portal and was interviewed before Sep 2021. There were 3 interview rounds.
(1 Question)
- Q1. Aerodynamic, censure, Bearing,PCB, and bought the sector.
(1 Question)
- Q1. Project planning & monitoring, Tools, safety.
(1 Question)
- Q1. General HR questions and personality check
Interview Preparation Tips
(2 Questions)
- Q1. Current salary in Last year
- Ans.
My salary last year was competitive, reflecting my experience and contributions to the projects I worked on.
I earned a base salary of $120,000, which was aligned with industry standards for my role.
In addition to my base salary, I received a performance bonus of $10,000 for exceeding project goals.
I also participated in a stock option program, which added significant value to my overall compensation package.
- Q2. Excepted salary information
(3 Questions)
- Q1. How many years of experience in wind
- Ans.
I have 8 years of experience in wind energy industry.
I have worked in the wind energy industry for 8 years
Experience includes designing, installing, and maintaining wind turbines
Familiar with industry standards and regulations
Completed projects in various locations with different wind conditions
- Q2. Total experience in carear
- Q3. Working at height for 74th meter
Tower claimb test of 800w wtg
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Apr 2022. There were 2 interview rounds.
(1 Question)
- Q1. Powertrain technical questions
(1 Question)
- Q1. Compensation and benefits
Hitachi Energy Interview FAQs
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Overall Interview Experience Rating
based on 1 interview experience
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