Slack Senior Engineer Interview Questions and Answers

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Q1. What is actual rule is using to sale more products in this company
Ans. 
The actual rule for selling more products in this company is to focus on customer needs and provide excellent customer service.
• Focus on customer needs and preferences

• Provide excellent customer service

• Offer promotions and discounts

• Maintain high product quality

• Stay up-to-date with market trends

• Build strong relationships with customers

• Encourage customer feedback and use it to improve

• Train sales staff to be knowledgeable a
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Q1. What is AI ?
Ans. 
AI stands for Artificial Intelligence, which is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves the development of algorithms that can perform tasks that typically require human intelligence.

• Examples of AI include speech recognition, image recognition, natural language processing, and autonomous vehicles.

• AI can be categorized into narrow AI (focused on a specific task...read more
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Q2. Tell me about machine learning
Ans. 
Machine learning is a branch of artificial intelligence that involves developing algorithms and models that can learn from and make predictions or decisions based on data.
• Machine learning uses algorithms to analyze data, learn from it, and make predictions or decisions.

• It is used in various fields such as healthcare, finance, marketing, and more.

• Examples of machine learning applications include recommendation systems, ...read more
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2 coding questions were provided

Backend Code of a class booking web app

Q1. Discussed the assignment and improved the app
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Q2. Asked some resume projects
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Hard to learn what they wanted

Q1. What is your greatest weakness
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Q2. How will you add value to our team
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Q1. Algorithm to solve a given problem
Ans. 
Use a sorting algorithm like quicksort or mergesort to solve the given problem efficiently.
• Choose the appropriate sorting algorithm based on the size of the input data and the constraints of the problem.

• Implement the chosen algorithm in a way that optimizes time and space complexity.

• Test the algorithm with different input sizes and edge cases to ensure its correctness and efficiency.
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Stack, Linked list, Algorithms, Hashmap , Search

Q1. Find all possible permutations of a string
Ans. 
Permutations of a string are all possible rearrangements of its characters.
• Use recursion to generate all possible permutations

• Swap characters at each position to generate different permutations

• Store each permutation in an array of strings
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Q1. What is the smoke testing??
Ans. 
Smoke testing is a preliminary testing to check if the basic functionalities of a software application are working fine.
• Smoke testing is a subset of regression testing and is usually performed after a build is received from the development team.

• It is a quick and shallow testing to ensure that the critical functionalities of the software are working without major issues.

• Smoke testing is not exhaustive and does not cover...read more
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