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Amazon Data Engineer Interview Questions, Process, and Tips
Top Amazon Data Engineer Interview Questions and Answers
- Q1. Which techniques you would have used on a system you have worked in the past to be able to optimise it further. (Deep knowledge of the databases is required)
- Q2. 1. Programming Logic for loops and majorly In python
- Q3. types of joins and explain cross join
Amazon Data Engineer Interview Experiences
22 interviews found
Anonymous
Oops dsa sql network
(2 Questions)
- Q1. Dsa based python question
- Q2. Dsa based python question on tress
(2 Questions)
- Q1. Sql question queries
- Q2. Sql question query
Shivangi Jain
I applied via Approached by Company and was interviewed in Aug 2024. There were 4 interview rounds.
Majorly the interviews revolve around the following skills :
1. Advanced SQL
2. PYTHON (DSA)
Majorly the interviews revolve around the following skills :
1. Advanced SQL
2. python (DSA)
(2 Questions)
- Q1. Which techniques you would have used on a system you have worked in the past to be able to optimise it further. (Deep knowledge of the databases is required)
- Ans.
I would have used indexing, query optimization, and data partitioning to optimize the system.
Implement indexing on frequently queried columns to improve search performance.
Optimize queries by using proper joins, filters, and aggregations.
Partition large tables to distribute data across multiple storage devices for faster access.
Use materialized views to precompute and store aggregated data for quicker retrieval.
- Q2. Situational questions on the ETL tools used and advantages and disadvantages of both
(1 Question)
- Q1. Describe a complex situation you were in at workplace and how did you handle it?
- Ans.
Handled a complex data migration project by breaking it down into smaller tasks and collaborating with team members.
Identified key stakeholders and their requirements
Developed a detailed project plan with timelines and milestones
Assigned specific tasks to team members based on their strengths and expertise
Regularly communicated progress updates and addressed any issues promptly
(2 Questions)
- Q1. Explain data architecture of your project
- Q2. Explain data lake
What people are saying about Amazon
I was interviewed in Jan 2025.
(1 Question)
- Q1. Tell me about your leadership skills
- Ans.
I have strong leadership skills demonstrated through leading cross-functional teams and driving successful project outcomes.
I have experience leading cross-functional teams in various projects
I am able to effectively communicate with team members and stakeholders
I have a track record of driving successful project outcomes through effective leadership
I am able to motivate and inspire team members to achieve their best
I ...
Interview Preparation Tips
Amazon interview questions for designations
(2 Questions)
- Q1. Introduce yourself
- Ans.
I am a data engineer with 5 years of experience in designing and implementing data pipelines for analytics.
Experienced in ETL processes and data modeling
Proficient in programming languages like Python and SQL
Familiar with big data technologies such as Hadoop and Spark
- Q2. Talk about previous project
- Ans.
Developed a real-time data processing system for analyzing customer behavior
Used Apache Kafka for real-time data streaming
Implemented data pipelines using Apache Spark for processing large volumes of data
Designed and optimized data models for efficient querying
Integrated machine learning models for predictive analytics
Selected
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Work experince , resume walk thorugh
- Q2. Location preferences,salary etc.
(2 Questions)
- Q1. SQL,python coding round
- Q2. Data warehousing concepts
Data Engineer Jobs at Amazon
(2 Questions)
- Q1. SQL - Given 2 tables with some nullls and asked to output the count of rows we get for all types of joins
- Q2. Types of joins and explain cross join
- Ans.
Types of joins in SQL include inner, outer, left, right, and cross join.
Inner join: Returns rows when there is a match in both tables
Outer join: Returns all rows when there is a match in one of the tables
Left join: Returns all rows from the left table and the matched rows from the right table
Right join: Returns all rows from the right table and the matched rows from the left table
Cross join: Returns the Cartesian produ
(1 Question)
- Q1. Projects and impact
Interview Preparation Tips
Skills evaluated in this interview
I applied via Job Fair and was interviewed in Jun 2024. There was 1 interview round.
Duration - 3 hours, DSA
Interview Preparation Tips
Advance SQL coding questions
Roshini Chester
I applied via amazon jobs and was interviewed in May 2024. There was 1 interview round.
They didn't score properly on the assessments for theoretical answers. Types of Data Modeling is a basic question with just 3 types but they marked the answer as wrong. I did not argue with the interviewer but yes, didn't feel comfortable after the process.
Amazon Interview FAQs
The duration of Amazon Data Engineer interview process can vary, but typically it takes about 2-4 weeks to complete.
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Amazon Data Engineer Interview Process
based on 21 interviews
3 Interview rounds
- Coding Test Round
- Technical Round - 1
- Technical Round - 2
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