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H&R Block Data Engineer Interview Questions and Answers
H&R Block Data Engineer Interview Experiences
1 interview found
Rashmi Sahoo
(3 Questions)
- Q1. What is index and types of index
- Ans.
An index is a data structure that improves the speed of data retrieval operations in a database.
Types of indexes include clustered index, non-clustered index, unique index, and composite index.
Indexes can be created on one or multiple columns in a table.
Indexes help in quickly locating data without having to scan the entire table.
Examples of indexes are primary key indexes, foreign key indexes, and secondary indexes.
- Q2. What is SCD and its type
- Ans.
SCD stands for Slowly Changing Dimension, which is a concept used in data warehousing to track changes in data over time.
SCD Type 1: Overwrites old data with new data, losing historical information.
SCD Type 2: Keeps multiple versions of the same record, each with a different timestamp.
SCD Type 3: Maintains separate columns for current and previous values, limiting historical data tracking.
SCD Type 4: Uses separate hist...
- Q3. Tell me the process of data pipeline
- Ans.
Data pipeline is a series of processes that collect, transform, and load data from various sources to a destination for analysis.
Data ingestion: Collecting data from various sources like databases, APIs, logs, etc.
Data processing: Cleaning, transforming, and enriching the data to make it usable for analysis.
Data storage: Storing the processed data in a data warehouse, data lake, or other storage solutions.
Data analysis...
Interview questions from similar companies
Interview Preparation Tips
Experience: 3 coding questions - had to write efficient and working code or algorithm for them along with test cases for them.
Round: Group Activity
Experience: A topic is given followed by brainstorming. After this we were divided into groups of four we had to come up with a group solution for the problem given and present it.
Round: Technical Interview
Experience: Two Rounds - consisting of algorithm , Data structures , puzzles , questions based on projects and bit of Operating Systems.
Round: HR Interview
Experience: This was just normal interaction and past experiences and stuff.
General Tips: 1. Cracking The Coding Interview : The best book for coding interview preparations.
2. AmbitionBox - A really big help! Do refer other companies in the same sector as well to prepare !
Know what you have written in your resume well and be prepare to answer any question related to those stuff.
Skills:
College Name: NIT Surathkal
Interview Preparation Tips
Experience: I got pre placement offer from the company after doing a 10 week internship there. The placement procedure was the same as that done for internship. There were 4 stages. The first one was the written test followed by a group activity. The shortlisted candidates were divided into groups and had to come up with a solution for a given problem statement. This was a no elimination round
Round: Technical Interview
Experience: All candidates had to go through a technical interview. The type of questions asked depended on one's strengths and the interviewer.
General Tips: Dress appropriately but comfortably and look confident even if you are not. Do not hesitate while answering questions. Even if you are not sure if the answer is entirely correct, attempting is important. Be active in the group activity. Try acting as the team leader. This gets you noticed.
Intuit has given importance to out of the box thinking. Answer questions in your own way as long as you have a good explanation for why you are right. They prefer unexpected answers especially for the HR round.
The overall experience was really good especially because the recruiters were friendly and systematic.
Skills:
College Name: NIT Surathkal
Anonymous
I applied via Approached by Company and was interviewed in Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. How are you doing
- Q2. Able to switch locations
- Ans.
Yes, I am able to switch locations for work if required.
I am open to relocating for the right opportunity
Have previous experience moving for work
Willing to consider different cities or countries for work
Selected
I applied via AmbitionBox and was interviewed before Apr 2022. There were 3 interview rounds.
(2 Questions)
- Q1. What are SOLID principles in java
- Ans.
SOLID principles are a set of design principles in object-oriented programming that help in creating maintainable and scalable software.
S - Single Responsibility Principle (SRP)
O - Open/Closed Principle (OCP)
L - Liskov Substitution Principle (LSP)
I - Interface Segregation Principle (ISP)
D - Dependency Inversion Principle (DIP)
- Q2. Why operator overloading is not possible in java
- Ans.
Java doesn't support operator overloading to maintain simplicity and avoid ambiguity.
Java was designed to be a simple language, and operator overloading can make code more complex and harder to read.
Operator overloading can also lead to ambiguity in code, making it difficult to understand the intended behavior.
Java provides alternative ways to achieve the same functionality as operator overloading, such as using method...
(1 Question)
- Q1. What are the projects that you have worked
- Ans.
I have worked on various projects including a healthcare management system and an e-commerce platform.
Developed a healthcare management system to streamline patient records and appointments.
Contributed to the development of an e-commerce platform with features like product catalog and shopping cart.
Implemented a real-time chat application using websockets for seamless communication between users.
Optimized database quer...
Interview Preparation Tips
Skills evaluated in this interview
Apptitude and coding questions on threads
2 coding questions are available but I submitted 1answer
(2 Questions)
- Q1. Oops concepts and threads
- Q2. Sorting techniques and algorithm based questions
I applied via Campus Placement
Basic 20 min test with mind questions
(1 Question)
- Q1. Easy. Basic oops questions and differences
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Fail fast vs fail safe
- Ans.
Fail fast prioritizes speed of detection and resolution, while fail safe prioritizes safety and minimizing harm.
Fail fast approach is commonly used in agile development where quick feedback is essential
Fail safe approach is commonly used in critical systems such as medical devices or aviation
Fail fast can lead to more errors and instability if not properly managed
Fail safe can lead to slower response times and increase...
- Q2. Java initializer block, static block, super keyword. For more info read: gfg order execution initialization block constructors java
Interview Preparation Tips
I applied via Company Website and was interviewed in Apr 2022. There were 3 interview rounds.
General questions
(2 Questions)
- Q1. Work related question & discusion
- Q2. Tell me about your self?
Interview Preparation Tips
I applied via Job portal and was interviewed in Dec 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Related to C, Java, HTML and CSS
- Q2. Tecnical question related to C, Java, HTML and CSS
Like that Fresher's student asked me question
Any topic related to our country
(1 Question)
- Q1. HR round question so that you check the my English language
Interview Preparation Tips
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H&R Block Data Engineer Interview Process
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