Nowfloats Technologies Software Engineer Interview Questions and Answers

Q1. They asked to design a database table
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Design a database table for managing user accounts in a web application.
• Table Name: Users

• Columns: id (INT, Primary Key), username (VARCHAR), password (VARCHAR), email (VARCHAR), created_at (TIMESTAMP)

• Indexes: Create an index on username for faster lookups.

• Constraints: Ensure email is unique and validate password strength.
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Q1. What is the DOM ?
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Q2. What is SSR?
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There is 4 coding question all are on DSA.

They give one topic. and provide 10 to 15 minutes to think.

Q1. He is giving one coding question. ask some language questions.
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Q1. DSA question and databases question
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Q2. SQL question, stack, queue, and LinkedList are all the things we know from the scretch
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Q1. They introduce the company details and normal question
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Q1. Ai technologies trend?
Ans. 
AI technologies are rapidly evolving, impacting various sectors with advancements in machine learning, natural language processing, and automation.
• Increased use of AI in healthcare for diagnostics, e.g., IBM Watson Health.

• Growth of natural language processing, exemplified by OpenAI's ChatGPT.

• Expansion of AI in autonomous vehicles, like Tesla's self-driving technology.

• AI-driven personalization in e-commerce, such as Ama...read more
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Q2. Pyqs of zopsmart
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Zopsmart's pyqs involve Python-related questions assessing coding skills and problem-solving abilities.
• Understand Python data structures: lists, dictionaries, sets, and tuples.

• Practice common algorithms: sorting, searching, and recursion.

• Familiarize with Python libraries: NumPy for numerical data, Pandas for data manipulation.

• Solve coding challenges on platforms like LeetCode or HackerRank to improve problem-solving sk...read more
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Q1. The first round was a detailed discussion on one of my previous projects(almost 35 minutes, went to maximum possible depth) and one DSA question. Please prepare your resume projects very well.
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Q2. The question was a stack bases leetcode medium question.
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Q1. This was the final round. It again a follow up of the first one. Started with a project discussion(did not go that much of depth as first one) . Again one DSA question was there to solve(they make you writ...read more
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20 questions aptitude

Q1. DSA question to sort the array
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Q2. Coding question to print all the prime numbers form 0 to n
Ans. 
This code prints all prime numbers from 0 to n using the Sieve of Eratosthenes algorithm.
• A prime number is greater than 1 and has no divisors other than 1 and itself.

• Use the Sieve of Eratosthenes for efficient prime number generation.

• Initialize a boolean array to track prime status for numbers 0 to n.

• Iterate through the array, marking non-prime numbers as false.

• Example: For n = 10, the output will be 2, 3, 5, 7.
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Mostly questions on logical aptitude

Q1. DSA questions. Reverse word of string, bubble sort, swap two variables without use of third variable
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Q2. OOPs concepts also some questions on project
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Q3. 1 puzzle (refer gfg)
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Q1. Why do you want to work at our company?
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Q2. What was the toughest challenge you have ever faced?
Ans. 
The toughest challenge I faced was leading a project with tight deadlines and team conflicts, which tested my leadership and problem-solving skills.
• Led a team of 5 developers on a critical project with a 3-month deadline.

• Faced conflicts between team members due to differing opinions on technology stack.

• Implemented regular stand-up meetings to improve communication and resolve issues.

• Utilized Agile methodologies to adap...read more
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