CtrlS AWS Engineer Interview Questions, Process, and Tips

Q1. What is the internal working of a hashmap?
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Q2. Design a Least Recently Used (LRU) cache.
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Q1. What are the SOLID principles in software engineering?
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Q2. What design patterns have you worked with?
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Q1. SQL problem window function
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Q2. SQL code like join and scenerio
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Q1. Design round for adf pipeline
Ans. 
Designing an ADF pipeline for data processing
• Identify data sources and destinations

• Define data transformations and processing steps

• Consider scheduling and monitoring requirements

• Utilize ADF activities like Copy Data, Data Flow, and Databricks

• Implement error handling and logging mechanisms
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Q2. Azure synapses and adf adb
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Q1. Expected ctc and current ctc negotiations
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Discussing expected and current salary for negotiation purposes.
• Be honest about your current salary and provide a realistic expectation for your desired salary.

• Highlight your skills and experience that justify your desired salary.

• Be open to negotiation and willing to discuss other benefits besides salary.

• Research industry standards and salary ranges for similar positions to support your negotiation.

• Focus on the value y...read more
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Q2. Relocation and remote work until ofc open for Pune location
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Coding test was easy. They asked LC easy anyone with fair understanding of programming can easily solve it.

Q1. Asked a question from Blind 75 that i dont remember as of now. I kind of stumbled here yet gave a code for original question
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Q2. Asked LC hard question. Interviewer was very rude and did not give a shit about my approach when I tried to explain it to him/her. He said just run code against test cases provided. I received rejection ...read more
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Q1. Question based on big data
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Q2. Cloud based messaging system
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Q1. Cloud based operations
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Q1. About Your project
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Q2. CI/CD,AWS,Docker
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Q3. Any certification
Ans. 
Yes, I have obtained the AWS Certified DevOps Engineer - Professional certification.
• Obtained AWS Certified DevOps Engineer - Professional certification

• Certification validates expertise in implementing and managing continuous delivery systems on AWS

• Demonstrates ability to automate security controls, governance processes, and compliance validation
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Q1. Projects,Platforms,Docker
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Q2. About your skills in platforms
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Q1. Difference between Scheduled script and Map reduce script?
Ans. 
Scheduled script runs on a predefined schedule, while Map reduce script processes large datasets in parallel.
• Scheduled script is used for automating tasks at specific times, like sending reports daily at 8am.

• Map reduce script is used for processing large datasets by splitting them into smaller chunks and processing them in parallel.

• Scheduled script is typically used for routine tasks, while Map reduce script is used fo...read more
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Q2. Types of scripts in NetSuite.
Ans. 
Types of scripts in NetSuite include SuiteScript, SuiteTalk, SuiteFlow, and SuiteBuilder.
• SuiteScript: JavaScript-based scripts for customizing NetSuite functionality.

• SuiteTalk: Web services integration for connecting NetSuite with external systems.

• SuiteFlow: Visual workflow tool for automating business processes.

• SuiteBuilder: Customization tool for modifying NetSuite forms, fields, and records.
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Q1. Why DevOps is needed in an organisation?
Ans. 
DevOps is needed in an organization to improve collaboration between development and operations teams, increase efficiency, and deliver high-quality software faster.
• Improves collaboration between development and operations teams

• Increases efficiency in software development and deployment processes

• Helps in delivering high-quality software faster

• Automates repetitive tasks to reduce manual errors

• Facilitates continuous inte...read more
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Q2. What is the difference between ADD vs COPY?
Ans. 
ADD and COPY are Dockerfile instructions used to copy files and directories into a Docker image, but they have some key differences.
• ADD allows for URLs and automatically extracts compressed files, while COPY only works with local files

• COPY is recommended for copying local files and directories into an image, while ADD is more versatile but can be less predictable

• ADD can be used to download files from the internet and a
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Q1. About the design pattern
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Q2. Coding questions in stream api
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