Acsion Engineering Lead Engineer Interview Questions and Answers

Data structure and algo with arrays and hash

Q1. System design with high and low level design
Ans. 
System design involves both high level and low level design to create a comprehensive architecture.
• High level design focuses on overall system architecture and functionality

• Low level design delves into specific components, modules, and interactions

• Examples: High level - deciding on database structure, Low level - designing specific API endpoints
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Q2. Design of whatsapp Design of notification engine in my project
Ans. 
The notification engine in a project is designed to send timely and relevant notifications to users.
• Implement a system to track user preferences and settings for notifications.

• Utilize a queue system to prioritize and schedule notifications.

• Include options for users to customize notification frequency and content.

• Integrate with external services like email or SMS for notifications delivery.
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Q1. It was virtual interview.
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Q2. 1. Binary Search with code 2. Hash Map in deep 3. Core Java concepts
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Q1. Dp hard sliding window mqximum
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Q2. Jah hshh hahaha nsnana
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Q1. Leetcode hard easy question
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Normal aptitude questions, Refer R S Agarwal

Q1. Selenium architecture
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Q2. X path locators and diffrent types.
Ans. 
Xpath locators are used to locate elements on a web page. There are different types of Xpath locators.
• Absolute Xpath starts with the root node and goes all the way to the element

• Relative Xpath starts from the current node and goes to the element

• Attribute-based Xpath locates elements based on their attributes

• Index-based Xpath locates elements based on their position in the DOM

• Text-based Xpath locates elements based on t
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Q1. Tell me about yourself?
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Q1. SQL leetcode questions easy
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Q2. 2nd Highest salary
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Q3. Employee having salary greater than manager
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Q1. Case study on profitability
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Q1. Culture fit and expectations work wise
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